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Corporate income tax

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Corporate income tax is the tax levied by a state (or other government entity) on a company's profits. Of the 50 states and Washington, D.C., only four states do not levy a corporate income tax. Tax rates vary significantly from state to state, with some using a flat rate to calculate the tax and others using a bracket system that varies the rate according to the company's income.[1]

According to David Brunori, corporate income taxes comprise less than 6 percent of tax revenue collected by states. Revenues collected from corporate income tax have declined steadily in recent years, from a high of 9.5 percent of total state tax collections in 1977 to the present low of approximately 5 percent.[2]

Corporate income tax rates

2017

The table below compares the corporate income tax rates of the 50 states in 2017.[3][4]

Corporate income tax rates, 2016
StateTax rateBracketsNumber of brackets
LowestHighest
Alabama6.50%Flat Rate1
Alaska0% to 9.40%$25,000$222,00010
Arizona5.50%Flat Rate1
Arkansas1.00% to 6.5%$3,000$100,0006
California8.84%Flat Rate1
Colorado4.63%Flat Rate1
Connecticut9.00%Flat Rate1
Delaware8.70%Flat Rate1
Florida5.50%Flat Rate1
Georgia6.00%Flat Rate1
Hawaii4.40% to 6.4%$25,000$100,0003
Idaho7.40%Flat Rate1
Illinois7.75%Flat Rate1
Indiana6.50%Flat Rate1
Iowa6.00% to 12.00%$25,000$250,0004
Kansas4.00% to 7.00%$50,000$50,0002
Kentucky4.00% to 6.00%$50,000$100,0003
Louisiana4.00% to 8.00%$25,000$200,0005
Maine3.50% to 8.93%$25,000$250,0004
Maryland8.25%Flat Rate1
Massachusetts8.00%Flat Rate1
Michigan6.00%Flat Rate1
Minnesota9.80%Flat Rate1
Mississippi3.00% to 5.00%$5,000$10,0003
Missouri6.25%Flat Rate1
Montana6.75%Flat Rate1
Nebraska5.58% to 7.81%$100,000$100,0002
NevadaNo corporate income tax
New Hampshire8.50%Flat Rate1
New Jersey6.50% to 9.00%$50,000$100,0003
New Mexico4.80% to 6.60%$500,000$1,000,0003
New York6.50%Flat Rate1
North Carolina4.00%Flat Rate1
North Dakota1.41% to 4.31%$25,000$50,000
OhioNo corporate income tax
Oklahoma6.00%Flat Rate1
Oregon6.60% to 7.60%$1,000,000$1,000,0002
Pennsylvania9.99%Flat Rate1
Rhode Island7.00%Flat Rate1
South Carolina5.00%Flat Rate1
South DakotaNo corporate income tax
Tennessee6.50%Flat Rate1
TexasNo corporate income tax
Utah5.00%Flat Rate1
Vermont6.00% to 8.50%$10,000$25,0003
Virginia6.00%Flat Rate1
WashingtonNo corporate income tax
West Virginia6.50%Flat Rate1
Wisconsin7.90%Flat Rate1
WyomingNo corporate income tax
Note: For complete notes and annotations, please see the source below.
Source:Tax Foundation, "State Corporate Income Tax Rates and Brackets for 2015," accessed October 26, 2017

2015

The table below lists the corporate income tax rates for all 50 states. Of the 50 states (and Washington, D.C.), only three do not collect a corporate income tax. For the remaining states that do collect the tax, rates range significantly, as do bracket structures.[4]

Corporate income tax rates, 2015
StateTax rateBracketsNumber of brackets
LowestHighest
Alabama6.5%Flat rate1
Alaska0 - 9.4%$25,000.00$222,000.0010
Arizona6%Flat rate1
Arkansas1.0 - 6.5%$3,000.00$100,000.006
California8.84%Flat rate1
Colorado4.63%Flat rate1
Connecticut9%Flat rate1
Delaware8.7%Flat rate1
District of Columbia9.975%Flat rate1
Florida5.5%Flat rate1
Georgia6%Flat rate1
Hawaii4.4 - 6.4%$25,000.00$100,00.003
Idaho7.4%Flat rate1
Illinois9.5%Flat rate1
Indiana8%Flat rate1
Iowa6.0 - 12.0%$25,000.00$250,00.004
Kansas4%$50,0002
Kentucky4.0 - 6.0%$50,000.00$100,000.003
Louisiana4.0 - 8.0%$25,000.00$200,000.005
Maine3.5 - 8.93%$25,000.00$250,000.004
Maryland8.25%Flat rate1
Massachusetts8%Flat rate1
Michigan6%Flat rate1
Minnesota9.8%Flat rate1
Mississippi3.0 - 5.0%$5,000.00$10,000.003
Missouri6.25%Flat rate1
Montana6.75%Flat rate1
Nebraska5.58 - 7.81%$100,000.002
NevadaNo corporate income tax
New Hampshire8.5%Flat rate1
New Jersey6.5 - 9%$50,000$100,0003
New Mexico4.8 - 6.9%$500,000.00$1,000,000.003
New York7.1%Flat rate1
North Carolina5%Flat rate1
North Dakota1.48 - 4.53%$25,000.00$50,0003
OhioSee note
Oklahoma6%Flat rate1
Oregon6.6 - 7.6%$1,000,0002
Pennsylvania9.99%Flat rate1
Rhode Island7%Flat rate1
South Carolina5%Flat rate1
South DakotaNo corporate income tax
Tennessee6.5%Flat rate1
TexasSee note
Utah5%Flat rate
Vermont6.0 - 8.5%$10,000.00$25,000.003
Virginia6%Flat rate1
WashingtonSee note
West Virginia6.5%Flat rate1
Wisconsin7.9%Flat rate1
WyomingNo corporate income tax
Note: "Ohio, Texas, and Washington do not have corporate income taxes but do have gross receipts taxes with rates not strictly comparable to corporate income tax rates. Delaware and Virginia have gross receipts taxes in addition to their corporate income taxes."
For complete notes and annotations, please see the source below.
Source:Tax Policy Center, "State Corporate Income Tax Rates 2002-2008, 2010-2014," June 11, 2014

2014

The table below lists the corporate income tax rates for all 50 states in 2014. Of the 50 states (and Washington, D.C.), only four did not collect a corporate income tax. For the remaining states that did collect the tax, rates ranged significantly, as did bracket structures.[4]

Corporate income tax rates, 2014
StateTax rateBracketsNumber of brackets
LowestHighest
Alabama6.5%Flat rate1
Alaska0 - 9.4%$25,000.00$222,000.0010
Arizona6.5%Flat rate1
Arkansas1.0 - 6.5%$3,000.00$100,001.006
California8.84%Flat rate1
Colorado4.63%Flat rate1
Connecticut7.5%Flat rate1
Delaware8.7%Flat rate1
District of Columbia9.975%Flat rate1
Florida5.5%Flat rate1
Georgia6%Flat rate1
Hawaii4.4 - 6.4%$25,000.00$100,001.003
Idaho7.4%Flat rate1
Illinois9.5%Flat rate1
Indiana8%Flat rate1
Iowa6.0 - 12.0%$25,000.00$250,001.004
Kansas4%Flat rate1
Kentucky4.0 - 6.0%$50,000.00$100,001.003
Louisiana4.0 - 8.0%$25,000.00$200,001.005
Maine3.5 - 8.93%$25,000.00$250,000.004
Maryland8.25%Flat rate1
Massachusetts8%Flat rate1
Michigan6%Flat rate1
Minnesota9.8%Flat rate1
Mississippi3.0 - 5.0%$5,000.00$10,001.003
Missouri6.25%Flat rate1
Montana6.75%Flat rate1
Nebraska5.58 - 7.81%$100,000.002
NevadaNo corporate income tax
New Hampshire8.5%Flat rate1
New Jersey9%Flat rate1
New Mexico4.8 - 7.3%$500,000.00$1,000,000.003
New York7.1%Flat rate1
North Carolina6%Flat rate1
North Dakota1.48 - 4.53%$25,000.00$50,001.003
Ohio%
Oklahoma6%Flat rate1
Oregon6.6 - 7.6%$10,000,000.002
Pennsylvania9.99%Flat rate1
Rhode Island9%Flat rate1
South Carolina5%Flat rate1
South DakotaNo corporate income tax
Tennessee6.5%Flat rate1
Texas%
Utah5%Flat rate
Vermont6.0 - 8.5%$10,000.00$25,000.003
Virginia6%Flat rate1
WashingtonNo corporate income tax
West Virginia6.5%Flat rate1
Wisconsin7.9%Flat rate1
WyomingNo corporate income tax
Note: For complete notes and annotations, please see the source below.
Source:Tax Policy Center, "State Corporate Income Tax Rates 2002-2008, 2010-2014," June 11, 2014

See also

External links

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