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Free Idaho Tax Calculator

Calculate your 2026 Idaho take-home pay after 5.695% flat state tax, federal tax & FICA. No sign-up.

Last reviewed: January 2026 · Tax data verified against IRS Publication 15-T & state revenue departments

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How This Calculator Works

Idaho income tax rate: 5.695% flat. Flat income tax rate of 5.695% for 2026. This means your paycheck in Idaho is only reduced by federal income tax and FICA — plus state tax at 5.695% top rate.

The 2026 federal tax brackets apply the same way in Idaho as everywhere else: 10%–37% progressive rates after the $16,100 standard deduction (single) or $32,200 (married). FICA adds 6.2% Social Security (up to $184,500) + 1.45% Medicare.

Idaho has a flat 5.695% flat income tax. Idaho switched to a flat tax in 2023 and has been steadily reducing the rate each year. On a $75,000 salary (single filer), your take-home pay is approximately $58,750 per year after federal tax, FICA, and state income tax.

Idaho also has a 6% state (8.2% avg combined) sales tax and 0.75% average effective property tax rate. Idaho switched to a flat tax in 2023 and has been steadily reducing the rate each year.

Use the calculator above to see your exact take-home pay in Idaho. Enter your salary, filing status, and any pre-tax deductions to get an instant, accurate result — no sign-up required.

How It's Calculated

Formula

Net Pay = Gross Income − (Federal Tax + State Tax + FICA)

Step-by-Step

  1. 1Apply Idaho flat income tax (5.695% flat)
  2. 2Subtract pre-tax deductions (401(k), HSA) from gross pay
  3. 3Apply federal standard deduction ($16,100 single / $32,200 married)
  4. 4Calculate federal tax using progressive brackets (10%–37%)
  5. 5Calculate FICA: 6.2% Social Security (up to $184,500) + 1.45% Medicare
  6. 6Subtract all taxes from gross pay to get net take-home pay

Example

$75000 salary, single in Idaho: Federal tax ≈ $7,670. FICA = $5,738. State tax varies. Net ≈ $58,750/year.

For detailed data sources and full methodology, see our Methodology & Data Sources page.

Key Rates & Data for 2026

Idaho Income Tax

5.695% flat

Idaho Sales Tax

6% state (8.2% avg combined)

Idaho Property Tax

0.75%

Federal Standard Deduction

$16,100 (single)

FICA Social Security

6.2% (up to $184,500)

Frequently Asked Questions

Does Idaho have a state income tax?

Yes. Idaho has a flat 5.695% flat income tax. Flat income tax rate of 5.695% for 2026.

What is the tax rate in Idaho?

Idaho has a 5.695% flat income tax rate, 6% state (8.2% avg combined) sales tax, and 0.75% average property tax rate. Idaho switched to a flat tax in 2023 and has been steadily reducing the rate each year.

How much is $75,000 after taxes in Idaho?

On a $75,000 salary in Idaho (single filer), your take-home pay is approximately $58,750 per year. This includes federal tax (~$7,670), FICA (~$5,738), and state income tax. Your monthly take-home would be about $4,896.

Is Idaho a tax-friendly state?

Idaho has a 5.695% top income tax rate, which is moderate in the nation. Combined with 6% state (8.2% avg combined) sales tax and 0.75% property tax, the overall tax burden is moderate to high compared to other states.

Does Idaho tax retirement income?

Idaho taxes retirement income as part of your regular income at the 5.695% flat rate. Some states exempt Social Security or pension income — check with a tax professional for your specific situation.

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