Most individual U.S. states collect a state income tax in addition to federal income tax. The two are separate entities. Some local governments also impose an income tax, often based on state income tax calculations. Forty-three states and many localities in the United States may impose an income tax on individuals. Forty-seven states and many localities impose a tax on the income of corporations.
State income tax is imposed at a fixed or graduated rate on taxable income of individuals, corporations, and certain estates and trusts. The rates vary by state. Taxable income conforms closely to federal taxable income in most states, with limited modifications. The states are prohibited from taxing income from federal bonds or other obligations. Most do not tax Social Security benefits or interest income from obligations of that state. Several states require different useful lives and methods be used by businesses in computing the deduction for depreciation. Many states allow a standard deduction or some form of itemized deductions. States allow a variety of tax credits in computing tax.
Each state administers its own tax system. Many states also administer the tax return and collection process for localities within the state that impose income tax.
State income tax is allowed as a deduction in computing federal income tax, subject to limitations for individuals.
Basic principles
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State tax rules vary widely. The tax rate may be fixed for all income levels and taxpayers of a certain type, or it may be graduated. Tax rates may differ for individuals and corporations.
Most states conform to federal rules for determining:
- gross income,
- timing of recognition of income and deductions,
- most aspects of business deductions,
- characterization of business entities as either corporations, partnerships, or disregarded.
Gross income generally includes all income earned or received from whatever source, with exceptions. The states are prohibited from taxing income from federal bonds or other obligations. Most states also exempt income from bonds issued by that state or localities within the state, as well as some portion or all of Social Security benefits. Many states provide tax exemption for certain other types of income, which varies widely by state. The states imposing an income tax uniformly allow reduction of gross income for cost of goods sold, though the computation of this amount may be subject to some modifications.
Most states provide for modification of both business and non-business deductions. All states taxing business income allow deduction for most business expenses. Many require that depreciation deductions be computed in manners different from at least some of those permitted for federal income tax purposes. For example, many states do not allow the additional first year depreciation deduction.
Most states tax capital gain and dividend income in the same manner as other investment income. In this respect, individuals and corporations not resident in the state generally are not required to pay any income tax to that state with respect to such income.
Some states have alternative measures of tax. These include analogs to the federal Alternative Minimum Tax in 14 states, as well as measures for corporations not based on income, such as capital stock taxes imposed by many states.
Income tax is self assessed, and individual and corporate taxpayers in all states imposing an income tax must file tax returns in each year their income exceeds certain amounts determined by each state. Returns are also required by partnerships doing business in the state. Many states require that a copy of the federal income tax return be attached to at least some types of state income tax returns. The time for filing returns varies by state and type of return, but for individuals in many states is the same (typically April 15) as the federal deadline.
Every state, including those with no income tax, has a state taxing authority with power to examine (audit) and adjust returns filed with it. Most tax authorities have appeals procedures for audits, and all states permit taxpayers to go to court in disputes with the tax authorities. Procedures and deadlines vary widely by state. All states have a statute of limitations prohibiting the state from adjusting taxes beyond a certain period following filing returns.
All states have tax collection mechanisms. States with an income tax require employers to withhold state income tax on wages earned within the state. Some states have other withholding mechanisms, particularly with respect to partnerships. Most states require taxpayers to make quarterly payments of tax not expected to be satisfied by withholding tax.
All states impose penalties for failing to file required tax returns and/or pay tax when due. In addition, all states impose interest charges on late payments of tax, and generally also on additional taxes due upon adjustment by the taxing authority.
Individual income tax
Forty-three states impose a tax on the income of individuals, sometimes referred to as personal income tax. State income tax rates vary widely from state to state. The states imposing an income tax on individuals tax all taxable income (as defined in the state) of residents. Such residents are allowed a credit for taxes paid to other states. Most states tax income of nonresidents earned within the state. Such income includes wages for services within the state as well as income from a business with operations in the state. Where income is from multiple sources, formulary apportionment may be required for nonresidents. Generally, wages are apportioned based on the ratio days worked in the state to total days worked.
All states that impose an individual income tax allow most business deductions. However, many states impose different limits on certain deductions, especially depreciation of business assets. Most of the states allow non-business deductions in a manner similar to federal rules. Few allow a deduction for state income taxes, though some states allow a deduction for local income taxes. Eight of the states allow a full or partial deduction for federal income tax.
In addition, some states allow cities and/or counties to impose income taxes. For example, most Ohio cities and towns impose an income tax on individuals and corporations. By contrast, in New York, only New York City and Yonkers impose a municipal income tax.
States with no individual income tax
Nine U.S. states do not level a broad-based individual income tax. Some of these do tax certain forms of personal income:
- Alaska â€" no individual tax but has a state corporate income tax. Like New Hampshire, Alaska has no state sales tax, but unlike New Hampshire, Alaska allows local governments to collect their own sales taxes. Alaska has an annual Permanent Fund Dividend, derived from oil revenues, for all citizens living in Alaska after one calendar year, except for some convicted of criminal offenses.
- Florida â€" no individual income tax but has a 5.5% corporate income tax. The state once had a tax on "intangible personal property" held on the first day of the year (stocks, bonds, mutual funds, money market funds, etc.), but it was abolished at the start of 2007.
- Nevada â€" has no individual or corporate income tax. Nevada gets most of its revenue from sales taxes and the gambling and mining industries.
- Tennessee has a "Hall income tax" of 6% on income received from stocks and bonds not taxed ad valorem. The Hall income tax is reduced to 5% for tax year 2016, with legislative intent that the tax be statutorily reduced by one percent annually beginning with the first annual session of the 110th general assembly and potentially eliminated by 2022. In 1932, the Tennessee Supreme Court struck down a broad-based individual income tax that had passed the General Assembly, in the case of Evans v. McCabe. However, a number of Attorneys General have recently opined that, if properly worded, a state income tax would be found constitutional by today's court, due to a 1971 constitutional amendment.
- Texas â€" no individual income tax, but imposes a franchise tax on corporations. In May 2007, the legislature modified the franchise tax by enacting a modified gross margin tax on certain businesses (sole proprietorships and some partnerships were automatically exempt; corporations with receipts below a certain level were also exempt as were corporations whose tax liability was also below a specified amount), which was amended in 2009 to increase the exemption level. The Texas Constitution places severe restrictions on passage of an individual income tax and the use of its proceeds.
- Washington â€" no individual tax but has a business and occupation tax (B&O) on gross receipts, applied to "almost all businesses located or doing business in Washington." It varies from 0.138% to 1.9% depending on the type of industry.
- Wyoming has no individual or corporate income taxes.
- South Dakota â€" no individual income tax but has a state corporate income tax on financial institutions.
- New Hampshire â€" has an Interest and Dividends Tax of 5%, and a Business Profits Tax of 8.5%. A Gambling Winnings Tax of 10% went into effect July 1, 2009 and was repealed May 11, 2011. New Hampshire has no sales tax.
States with flat rate individual income tax
The following eight states have a flat rate individual income tax as of 2016:
- Colorado â€" 4.63% (2016)
- Illinois â€" 4.95% (July 2017)
- Indiana â€" 3.3% (2016) (until 2017, when the rate will fall to 3.23%. Note also that counties may impose an additional income tax). See Taxation in Indiana
- Massachusetts â€" 5.1% (2016) (most types of income)
- Michigan â€" 4.25% (2016) (22 cities in Michigan may levy an income tax, with non-residents paying half the rate of residents)
- North Carolina â€" 5.75% (2016); 5.499% (2017)
- Pennsylvania â€" 3.07% (many municipalities in Pennsylvania assess a tax on wages: most are 1%, but can be as high as 3.9004% in Philadelphia)
- Utah â€" 5.0% (2016)
States with local income taxes in addition to state-level income tax
The following states have local income taxes. These are generally imposed at a flat rate and tend to apply to a limited set of income items.
Alabama:
- Some counties, including Macon County, and municipalities, including Birmingham (employees on payroll only)
California:
- San Francisco (payroll only)
Colorado:
- Some municipalities, including Denver and Aurora (flat-fee Occupational Privilege tax for privilege of working or conducting business; filed with municipality imposing fee)
Delaware:
- Wilmington (earned, certain Schedule E income, as well as capital gains from sale of property used in business; income must be reported to the City of Wilmington if Wilmington tax is not withheld by employer; residents must file the Earned Income tax form to report wages on which Wilmington income tax is not withheld and the Net Profits tax form to report self-employment and most Schedule E income, as well as capital gains from sale of property used in business)
Indiana (all local taxes reported on state income tax form):
- All counties
Iowa (all local taxes reported on state income tax form):
- Many school districts and Appanoose County
Kansas:
- Some counties and municipalities (interest and dividend income; reported on separate state form 200 filed with the county clerk)
Kentucky:
- Most counties, including Kenton County, Kentucky, and municipalities, including Louisville and Lexington (earned income and certain rental income that qualifies as a business; reported as Occupational License fee/tax by employer or as Net Profits tax by business, filed with county or municipality imposing tax)
Maryland (all local taxes reported on state income tax form):
- All counties, and the independent city of Baltimore
Michigan:
- Many cities, including Detroit, Lansing, and Flint (most income above a certain annual threshold; reported on form issued by imposing city or on separate state form 5118/5119/5120 in the case of Detroit)
Missouri (all other cities are prohibited from imposing local income tax):
- Kansas City (earned income; income must be reported to the Kansas City if Kansas City tax is not withheld by employer; residents must file the Earnings tax form to report wages on which Kansas City income tax is not withheld and the Business Earnings tax form to report self-employment income)
- St. Louis (earned income; income must be reported to the City of St. Louis if St. Louis tax is not withheld by employer; residents must file the Earnings tax form to report wages on which St. Louis income tax is not withheld and the Business Earnings tax form to report self-employment income)
New Jersey:
- Newark (payroll only)
New York (all local taxes reported on state income tax form):
- New York City (employees with NYC section 1127 withholding should also file New York City Form 1127)
- Yonkers
- Metropolitan Commuter Transportation District (self-employed with income sourced from New York City, as well as the counties of Dutchess, Nassau, Orange, Putnam, Rockland, Suffolk, and Westchester)
Ohio:
- Some school districts (either traditional or earned income tax base; reported on separate state form SD-100)
- Most municipalities, including Columbus, Cleveland, and Cincinnati (earned income and rental income; some municipalities require all residents over a certain age to file, while others require residents to file only if municipal income tax is not withheld by employer; reported on tax form issued by municipal income tax collector, currently CCA and RITA, or collecting municipalities, such as Columbus and Cincinnati, which sometimes also collect for neighboring towns and villages).
Oregon:
- Portland (all residents must file an Arts Tax form with the city to either pay the flat-fee tax or qualify for an exemption based on low individual or household income)
- Lane Transit District (self-employed with income sourced from Lane Transit District, which includes parts of Lane County; reported on separate state tax form LTD)
- Tri-County Metropolitan Transportation District (self-employed with income sourced from TriMet, which includes parts of Clackamas, Multnomah, and Washington counties; reported on separate state tax form TM)
- Other transit districts (businesses with income sourced from those transit districts; filed with transit districts or municipalities administering transit districts)
Pennsylvania:
- Most municipalities, including Pittsburgh and Allentown, and school districts (earned income only; local return must be filed by all residents of municipality or school district imposing local earned income tax with the local earned income tax collector, such as Berkheimer, Keystone Collections, or Jordan Tax Service; an additional local services tax, potentially refundable if income is below a certain threshold, is also imposed by some municipalities and school districts on earned income sourced from those municipalities and school districts; local earned income tax collectors, rates, and local service tax refund rules can be found on the Pennsylvania Municipal Statistics website)
- Philadelphia (earned and passive income; income must be reported to the City of Philadelphia if Philadelphia tax is not withheld by employer; residents must file the Earnings tax form to report wages on which Philadelphia income tax is not withheld, the Net Profits tax form to report self-employment, business, and most rental income, and the School Income tax to report passive income excluding interest earned from checking and savings accounts; an additional Business Income and Receipts Tax is also imposed on business income sourced from Philadelphia; individuals earning less than amount that would qualify them for the Pennsylvania income tax forgiveness program are eligible to receive a partial refund of their wage tax withheld by filing a refund application)
West Virginia:
- Some municipalities, including Charleston and Huntington (flat City Service fee for privilege of working or conducting business; filed with municipality imposing fee)
Corporate income tax
Most states impose a tax on income of corporations having sufficient connection ("nexus") with the state. Such taxes apply to U.S. and foreign corporations, and are not subject to tax treaties. Such tax is generally based on business income of the corporation apportioned to the state plus nonbusiness income only of resident corporations. Most state corporate income taxes are imposed at a flat rate and have a minimum amount of tax. Business taxable income in most states is defined, at least in part, by reference to federal taxable income.
According to www.taxfoundation.org these states have no state corporate income tax as of Feb 1, 2010: Nevada, Washington, Wyoming, Texas, and South Dakota. However, Texas has a franchise tax based on "taxable margin", generally defined as sales less either cost of goods sold less compensation, with complete exemption (no tax owed) for less than $1MM in annual earnings and gradually increasing to a maximum tax of 1% based on net revenue, where net revenue can be calculated in the most advantageous of four different ways.
Nexus
States are not permitted to tax income of a corporation unless four tests are met under Complete Auto Transit, Inc. v. Brady:
-
- There must be a "substantial nexus" (connection) between the taxpayer's activities and the state,
- The tax must not discriminate against interstate commerce,
- The tax must be fairly apportioned, and
- There must be a fair relationship to services provided.
Substantial nexus (referred to generally as simply "nexus") is a general U.S. Constitutional requirement that is subject to interpretation, generally by the state's comptroller or tax office, and often in administrative "letter rulings".
In Quill Corp. v. North Dakota the Supreme Court of the United States confirmed the holding of National Bellas Hess v. Illinois that a corporation or other tax entity must maintain a physical presence in the state (such as physical property, employees, officers) for the state to be able to require it to collect sales or use tax. The Supreme Court's physical presence requirement in Quill is likely limited to sales and use tax nexus, but the Court specifically stated that it was silent with respect to all other types of taxes ("Although we have not, in our review of other types of taxes, articulated the same physical-presence requirement that Bellas Hess established for sales and use taxes, that silence does not imply repudiation of the Bellas Hess rule."). "Whether "Quill" applies to corporate income and similar taxes is a point of contention between states and taxpayers. The "substantial nexus" requirement of Complete Auto, supra, has been applied to corporate income tax by numerous state supreme courts.
Apportionment
The courts have held that the requirement for fair apportionment may be met by apportioning between jurisdictions all business income of a corporation based on a formula using the particular corporation's details. Many states use a three factor formula, averaging the ratios of property, payroll, and sales within the state to that overall. Some states weight the formula. Some states use a single factor formula based on sales.
Nonbusiness income
Some states tax resident corporations on nonbusiness income regardless of apportionment. Generally, a resident corporation is one incorporated in that state. The definition of nonbusiness income varies but generally includes investment income of business corporations, including dividends.
Consolidated or unitary filings
Some states require and some states permit parent/subsidiary controlled groups of corporations to file returns on a consolidated or combined basis. California and Illinois require that all U.S. members of a "unitary" group must file a combined return.
Returns
State corporate income tax returns vary highly in complexity from two pages to more than 20 pages. States often require that a copy of the federal income tax return be attached to the state return. Corporate income tax return due dates may differ from individual tax return due dates. Most states grant extensions of time to file corporate tax returns.
History
Some of the English colonies in North America taxed property (mostly farmland at that time) according to its assessed produce, rather than, as now, according to assessed resale value. Some of these colonies also taxed "faculties" of making income in ways other than farming, assessed by the same people who assessed property. These taxes taken together can be considered a sort of income tax. The records of no colony covered by Rabushka (the colonies that became part of the United States) separated the property and faculty components, and most records indicate amounts levied rather than collected, so much is unknown about the effectiveness of these taxes, up to and including whether the faculty part was actually collected at all.
Rabushka makes it clear that Massachusetts and Connecticut actually levied these taxes regularly, while for the other colonies such levies happened much less often; South Carolina levied no direct taxes from 1704 through 1713, for example. Becker, however, sees faculty taxes as routine parts of several colonies' finances, including Pennsylvania.
During and after the American Revolution, although property taxes were evolving toward the modern resale-value model, several states continued to collect faculty taxes.
Between the enactment of the Constitution and 1840, no new general taxes on income appeared. In 1796, Delaware abolished its faculty tax, and in 1819 Connecticut followed suit. On the other hand, in 1835, Pennsylvania instituted a tax on bank dividends, paid by withholding, which by about 1900 produced half its total revenue.
Several states, mostly in the South, instituted taxes related to income in the 1840s; some of these claimed to tax total income, while others explicitly taxed only specific categories, these latter sometimes called classified income taxes. These taxes may have been spurred by the ideals of Jacksonian democracy, or by fiscal difficulties resulting from the Panic of 1837. None of these taxes produced much revenue, partly because they were collected by local elected officials. A list:
The 1850s brought another few income tax abolitions: Maryland and Vermont in 1850, and Florida in 1855.
During the American Civil War and Reconstruction Era, when both the United States of America (1861-1871) and the Confederate States of America (1863-1865) instituted income taxes, so did several states.
As with the national taxes, these were made in various ways to produce substantial revenue, for the first time in the history of American income taxation. On the other hand, as soon as the war ended, a wave of abolitions began: Missouri in 1865, Georgia in 1866, South Carolina in 1868, Pennsylvania and Texas in 1871, and Kentucky in 1872.
The rest of the century balanced new taxes with abolitions: Delaware levied a tax on several classes of income in 1869, then abolished it in 1871; Tennessee instituted a tax on dividends and bond interest in 1883, but Kinsman reports that by 1903 it had produced zero actual revenue; Alabama abolished its income tax in 1884; South Carolina instituted a new one in 1897 (eventually abolished in 1918); and Louisiana abolished its income tax in 1899.
Following the 1895 Supreme Court decision in Pollock v. Farmers' Loan & Trust Co. which effectively ended a federal income tax, some more states instituted their own along the lines established in the 19th century:
However, other states, some perhaps spurred by Populism, some certainly by Progressivism, instituted taxes incorporating various measures long used in Europe, but considerably less common in America, such as withholding, corporate income taxation (as against earlier taxes on corporate capital), and especially the defining feature of a "modern" income tax, central administration by bureaucrats rather than local elected officials. The twin revenue-raising successes of Wisconsin's 1911 and the United States' 1914 income taxes prompted imitation. Note that writers on the subject sometimes distinguish between corporate "net income" taxes, which are straightforward corporate income taxes, and corporate "franchise" taxes, which are taxes levied on corporations for doing business in a state, sometimes based on net income. Many states' constitutions were interpreted as barring direct income taxation, and franchise taxes were seen as legal ways to evade these bars. The term "franchise tax" has nothing to do with the voting franchise, and franchise taxes only apply to individuals insofar as they do business. Note that some states actually levy both corporate net income taxes and corporate franchise taxes based on net income. For the following list see and.
This period coincided with the United States' acquisition of colonies, or dependencies: the Philippines, Puerto Rico, and Guam from Spain in the Spanishâ€"American War, 1898â€"99; American Samoa by agreements with local leaders, 1899-1904; the Panama Canal Zone by agreement from Panama in 1904; and the U.S. Virgin Islands purchased from Denmark in 1917. (Arguably, Alaska, purchased from Russia in 1867, and Hawaii, annexed in 1900, were also dependencies, but both were by 1903 "incorporated" in the U.S., which these others never have been.) The Panama Canal Zone was essentially a company town, but the others all began levying income taxes under American rule. (Puerto Rico already had an income tax much like a faculty tax, which remained in effect for a short time after 1898.)
A third of the current state individual income taxes, and still more of the current state corporate income taxes, were instituted during the decade after the Great Depression started:
A "mirror" tax is a tax in a U.S. dependency in which the dependency adopts wholesale the U.S. federal income tax code, revising it by substituting the dependency's name for "United States" everywhere, and vice versa. The effect is that residents pay the equivalent of the federal income tax to the dependency, rather than to the U.S. government. Although mirroring formally came to an end with the Tax Reform Act of 1986, it remains the law as seen by the U.S. for Guam and the Northern Mariana Islands because conditions to its termination have not yet been met. In any event, the other mirror tax dependencies (the U.S. Virgin Islands and American Samoa) are free to continue mirroring if, and as much as, they wish.
The U.S. acquired one more dependency from Japan in World War II: the Trust Territory of the Pacific Islands.
Two states, South Dakota and West Virginia, abolished Depression-era income taxes in 1942 and 1943, but these were nearly the last abolitions. For about twenty years after World War II, new state income taxes appeared at a somewhat slower pace, and most were corporate net income or corporate franchise taxes:
As early as 1957 General Motors protested a proposed corporate income tax in Michigan with threats of moving manufacturing out of the state. However, Michigan led off the most recent group of new income taxes:
In the early 1970s, Pennsylvania and Ohio competed for businesses with Ohio wooing industries with a reduced corporate income tax but Pennsylvania warning that Ohio had higher municipal taxes that included taxes on inventories, machinery and equipment.
A few more events of the 1970s:
(Also during this time the U.S. began returning the Panama Canal Zone to Panama in 1979, and self-government, eventually to lead to independence, began between 1979 and 1981 in all parts of the Trust Territory of the Pacific Islands except for the Northern Mariana Islands. The resulting countries - the Marshall Islands, the Federated States of Micronesia, and Palau - all levy income taxes today.)
The only subsequent individual income tax instituted to date is Connecticut's, from 1991, replacing the earlier intangibles tax. The median family income in many of the state's suburbs was nearly twice that of families living in urban areas. Governor Lowell Weicker's administration imposed a personal income tax to address the inequities of the sales tax system, and implemented a program to modify state funding formulas so that urban communities received a larger share.
Numerous states with income taxes have considered measures to abolish those taxes since the Late-2000s recession began, and several states without income taxes have considered measures to institute them, but only one such proposal has been enacted: Michigan replaced its more recent value-added tax with a new corporate income tax in 2009.
Rates by jurisdiction
Alabama
The corporate income tax rate is 6.5%.
Alaska
Alaska does not have an individual income tax.
Arizona
Personal income tax
Reference:
Corporate income tax
The corporate income tax rate is 4.9%.
Arkansas
California
Personal income tax
Reference:
Corporate income tax
The standard corporate rate is 8.84%, except for banks and other financial institutions, whose rate is 10.84%.
Colorado
Colorado has a flat rate of 4.63% for both individuals and corporations.
Connecticut
Personal income tax
Corporate income tax
Connecticut's corporate income tax rate is 7.5%.
Delaware
Personal income tax
Reference:
Corporate income tax
Delaware's corporate income tax rate is 8.7%.
State individual income tax rates and brackets
State corporate tax rates and brackets
See also
- Income tax in the United States
- State tax levels in the United States
- Taxation in the United States
- U.S. State Non-resident Withholding Tax
- State Sales Tax
Notes
External links
- 'The Best and the Worst States for Taxes' - MSN Money
- State Individual Income Tax Rates - Federation of Tax Administrators
- Tax Links for All 50 States - AccountingMajors.com
- Individual State Income Tax Rates 2009 - Incomejunkie.com
- Individual income tax revenue by state Sourced from the US Census Bureau