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How Idaho Income Tax & Salary Deductions Work

Idaho uses a flat income tax system with a top marginal rate of 5.8%. When combined with federal taxes, Social Security, and Medicare, understanding your total tax burden is essential for financial planning.

Did you know? Idaho has a population of 1.9M with its capital in Boise. The flat tax system means all taxable income is taxed at the same rate.

With 3 major cities including Boise, Meridian, Nampa,Idaho offers diverse employment opportunities across multiple industries. Use our calculator above to see your personalized tax breakdown.

Understanding Your Idaho Paycheck & Tax Withholdings

When you receive your paycheck in Idaho, several deductions are automatically taken out. These include federal income tax state income tax (5.8% top rate), Social Security (6.2%), and Medicare (1.45%). Our calculator breaks down each of these components so you can see exactly where your money goes.

Idaho Federal & State Tax Rates for 2026

The Idaho flat income tax has a top marginal rate of 5.8%. Combined with federal taxes ranging from 10% to 37%, your effective tax rate depends on your total income, filing status, and deductions.

Where Your Money Goes in Idaho

74.9%
11.7%
6.2%
1.5%
5.8%

Net Pay

$56,152

Federal Tax

$8,761

Social Security

$4,650

Medicare

$1,088

State Tax

$4,350

Tax TypeRateAmount
Federal Tax11.68%$8,761
Social Security6.20%$4,650
Medicare1.45%$1,088
State Tax5.80%$4,350
Total Tax25.13%$18,848

Popular Cities in Idaho

Browse salary calculators for the most popular cities. Cities with active calculators are highlighted.

Other States in West

Compare tax rates and take-home pay in nearby West states

Frequently Asked Questions

On a salary of $75,000 in Idaho, you would pay approximately $18,848 in total taxes, which represents an effective tax rate of 25.13%. This includes federal income tax, state income tax (5.8% top rate), Social Security, and Medicare.