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State income tax comes in addition to any Federal income tax imposed by the IRS and it is administrated by each state Tax or Revenue Department. There are Seven states that have no income tax:
Alaska
Florida
Nevada
South Dakota
Texas
Washington
Wyoming
Two states have a limited income tax on individuals. These states tax only dividend and interest income:
Tennessee
New Hampshire
Here's a listing of each state's highest income tax rate and how much income you'll have to make to pay that rate.
Alabama: 5% on income over $3,000
Alaska: No income tax
Arizona: 4.54% on income over $150,000
Arkansas: 7% on income over $32,600
California:10.55% on income over $1 million
Colorado: flat 4.63% of federal taxable income
Connecticut: 6.5% on income over $500,000
District of Columbia: 8.5% on income over $40,000
Delaware: 6.95% on income over $60,000
Florida: No income tax
Georgia: 6% on income over $7,000
Hawaii: 11% on income over $200,000
Idaho: 7.8% on income over $26,418
Illinois: flat 3% of federal AGI with modifications
Indiana: flat 3.4% of federal AGI with modifications
Iowa: 8.98% on income over $63,315
Kansas: 6.45% on income over $30,000
Kentucky: 6% on income over $75,000
Louisiana: 6% on income over $50,000
Maine: 8.5% on income over $20,150
Maryland: 6.25% on income over $1 millio
Massachusetts: flat 5.3% on all income
Michigan: flat 4.35% of federal AGI with modifications
Minnesota: 7.85% on income over $74,780
Mississippi: 5% on income over $10,000
Missouri: 6% on income over $9,000
Montana: 6.9% on income over $15,400
Nebraska: 6.84% on income over $27,000
Nevada: no income tax
New Hampshire: 5% on interest and dividend income. Wages are not taxed.
New Jersey: 8.97% on income over $500,000
New Mexico: 4.9% on income over $16,000
New York: 8.97% on income over $500,000
North Carolina: 7.75% on income over $60,000
North Dakota: 4.86% on income over $373,650
Ohio: 5.925% on income over $200,000
Oklahoma: 5.5% on income over $8,700
Oregon: 11% on income over $250,000
Pennsylvania: flat 3.07% on all income
Rhode Island: 9.9% on income over $373,650
South Carolina: 7% on income over $13,700
South Dakota: no income tax
Tennessee: 6% on interest and dividend income. Wages are not taxed.
Texas: no income tax
Utah: flat 5% on all income
Vermont: 8.95% on income over $373,650
Virginia: 5.75% on income over $17,000
Washington: no income tax
West Virginia: 6.5% on income over $60,000
Wisconsin: 7.75% on income over $225,000
Wyoming: no income tax