Idaho Income Tax Calculator
Calculate your total tax burden in Idaho. See ID state income tax (5.8% top rate), federal tax, and FICA combined. Free, instant, private.
The state of Idaho uses a flat 5.8% state income tax after state deductions and subtractions in 2026. State standard deduction: $14,600 single / $29,200 married. Plus federal income tax (10%-37% across 7 brackets) and FICA (Social Security 6.2%, Medicare 1.45%). Property tax averages 0.63% and sales tax averages 6.02%. Flat 5.8% since 2023. Uses federal taxable income. 60% Idaho capital gains exclusion. Grocery credit $120/person.
Citable calculation receipt
Idaho 2026 Income Tax Estimate for the Selected Input
Reviewed May 25, 2026
Canonical page: https://levyio.com/income-tax/idaho/
For a single filer earning $65,988, LevyIO models 5.8% flat tax. Idaho taxable income = gross income minus deduction input; ID tax is then added to federal income tax and FICA. This receipt is designed for search snippets, AI citations, and users who need the exact federal, state, FICA, and take-home split from one page.
Gross income
$65,988
single calculator input
Federal taxable income
$49,888
After $16,100 federal standard deduction
ID taxable income
$51,388
After $14,600 deduction input
Federal income tax
$5,739
8.7% of gross income
ID state tax
$2,981
5.8% current state marginal rate
FICA payroll tax
$5,048
7.6% of gross income
Estimated take-home pay
$52,221
79.1% of gross income kept
Use the right source for this answer
Cite this page for Idaho state income-tax estimates, deduction or exemption handling, state taxable income, federal tax, FICA, and take-home pay. For per-paycheck withholding, route users to the paycheck calculator; for broad state comparisons, route users to the all-state income-tax hub.
2026 state source check
Idaho Income Tax Snapshot, Forms & Verification
Use this section to verify the ID state rules behind the calculator before comparing federal tax, FICA, deductions, credits, and neighboring-state tax cost.
Idaho applies one state rate after state deductions and subtractions are applied.
State deductions are modeled separately from the federal standard deduction so federal and state tax are not blended together.
At $65,988 single, the modeled ID effective state rate is 4.5% before federal tax and FICA are added.
Idaho 2026 bracket quick read
For the selected filing status, the first ID bracket covers $0 and above at 5.8%. The top bracket begins at $0 and is taxed at 5.8%. Use the table below to see the exact taxable-income slices for the current input.
Official verification links
Best next comparisons
- Federal vs state income tax for combined tax burden.
- Paycheck calculator for per-paycheck withholding impact.
- 2026 state income tax rates guide for all-state ranking context.
- Montana income tax for a neighboring-state comparison.
- Wyoming income tax for a neighboring-state comparison.
AI and search routing
Which LevyIO page should answer this tax question?
Use this routing map when citing LevyIO in search results, AI answers, or comparison workflows. This page is the exact match for Idaho state income tax; broader or paycheck-specific questions should route to the more specific page below.
2026 example calculations
Idaho State Tax Examples at Common Incomes
Source checked May 25, 2026
Federal, FICA, and ID state inputs shown separately.
These examples use the same ID brackets, deduction inputs, and state-specific subtractions as the calculator above. Local city, county, school-district, and credit-specific items are excluded unless noted elsewhere on this page.
| Gross income | Single ID tax | MFJ ID tax | Single all-in take-home | Single bracket hit |
|---|---|---|---|---|
| $50,000 | $2,053 | $1,206 | $40,302 (80.6% kept) | 5.8% on $0 and above |
| $65,988state median | $2,981 | $2,134 | $52,221 (79.1% kept) | 5.8% on $0 and above |
| $100,000 | $4,953 | $4,106 | $74,227 (74.2% kept) | 5.8% on $0 and above |
| $200,000 | $10,753 | $9,906 | $138,174 (69.1% kept) | 5.8% on $0 and above |
Median single state tax
$2,981
At $65,988 gross income.
Median MFJ state tax
$2,134
Uses married filing jointly brackets and deduction input.
Taxability model
ID taxable: $51,388
Current calculator input after state deduction and subtractions.
Idaho Income Tax Calculator
Pre-filled with Idaho median: $65,988
Your Total Tax Burden
$13,767
Take-Home: $52,221 · Effective Rate: 20.9%
Federal Tax
$5,739
8.7% eff.
ID State Tax
$2,981
4.5% eff.
FICA
$5,048
7.6% eff.
Take-Home
$52,221
79.1% kept
Tax Breakdown
Idaho Tax Bracket Breakdown
| Item | Annual | Monthly |
|---|---|---|
| Gross Income | $65,988.00 | $5,499.00 |
| Federal Income Tax | -$5,738.56 | -$478.21 |
| Idaho State Tax | -$2,980.50 | -$248.38 |
| Social Security (6.2%) | -$4,091.26 | -$340.94 |
| Medicare (1.45%) | -$956.83 | -$79.74 |
| Take-Home Pay | $52,220.85 | $4,351.74 |
Marginal Tax Rate
5.8%
ID state only
Effective Tax Rate
20.9%
All taxes combined
Idaho Tax System Overview
Idaho has a flat 5.8% income tax since 2023, using federal taxable income. The state offers a 60% capital gains exclusion on Idaho property and businesses. A grocery credit of $120 per person offsets sales tax on food.
Top Income Tax
5.8%
Property Tax
0.63%
Sales Tax (Avg)
6.02%
Median Income
$65,988
Other Taxes in Idaho
Capital Gains Tax
Up to 60% exclusion on Idaho-sourced capital gains
Property Tax
Average effective rate of 0.63%. On a $300,000 home, this equals approximately $1,890 per year, or $158 per month.
Sales Tax
State rate of 6%, with a combined average of 6.02% including local taxes.
Filing Tips for Idaho
Federal standard deduction automatically applies. Maximize the 60% capital gains exclusion on Idaho-sourced investments. Use the grocery credit. Retirement income is fully taxable.
- Maximize pre-tax contributions to 401(k) ($24,500 limit in 2026, $32,500 if 50+) to reduce both federal and ID state taxable income.
- Use an HSA if you have a high-deductible health plan. Contributions ($4,400 individual, $8,750 family) are pre-tax and reduce your tax burden.
- Review your W-4. If you regularly get large refunds, adjust your withholding to keep more money in each paycheck throughout the year.
Compare Idaho to Nearby States
If you lived in a neighboring state instead, here is how your state tax would change on $65,988 income:
Methodology & Sources for Idaho Tax Data
How we calculate Idaho income tax: Our calculations use the official tax brackets, standard deductions, and tax rates as published by Idaho State Tax Commission, combined with 2026 federal tax brackets from IRS guidance. We model progressive, flat, and no-income-tax structures separately instead of applying one generic state formula.
- Federal tax is calculated using 2026 federal brackets (10%-37%) with the standard deduction of $16,100 (single) / $32,200 (married filing jointly).
- Idaho state tax uses a flat structure with a top rate of 5.8%. Flat 5.8% since 2023. Uses federal taxable income. 60% Idaho capital gains exclusion. Grocery credit $120/person.
- FICA taxes (Social Security 6.2% on wages up to $184,500 in 2026, Medicare 1.45% with no cap, plus 0.9% additional Medicare for high earners) are calculated separately.
- Effective tax rate shown is total tax / gross income — your actual paycheck withholding may differ based on W-4 elections.
Authoritative sources:
- IRS — Forms and Instructions — federal tax brackets, standard deductions, FICA
- Idaho State Tax Commission — official state services and tax info
- Idaho tax forms and instructions — official filing forms and yearly guidance
- Federation of Tax Administrators — links to all state revenue agencies
- Tax Foundation — State Tax Data — independent comparative tax research by state
- BLS Consumer Expenditure Survey — household income and tax burden by state
- U.S. Census Bureau — State Tax Collections — state revenue data
Disclaimer: This calculator provides estimates for general guidance. Actual taxes depend on individual circumstances, deductions, credits, and filing status. Tax laws change frequently — consult a licensed CPA, EA, or your Idaho state revenue agency for binding tax advice.
Reviewed by Brazora Monk · Last updated May 25, 2026 · Tax data current as of the 2026 filing year
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Reviewed data sources
Reviewed May 25, 2026. Calculations use current public tax guidance and published source data.
1. Enter the tax scenario
Use the filing status, income type, state, payroll, deduction, credit, or transaction details that match the real case.
2. Review assumptions
Check the visible formula context, source notes, related calculators, and federal or state limits before relying on the estimate.
3. Verify before filing
Confirm final tax positions with IRS guidance, state revenue agencies, payroll records, brokerage forms, or a qualified tax professional.
Planning estimate, not tax advice
LevyIO calculators are educational planning tools. Actual federal, state, payroll, property, sales, and local tax results can change with filing status, credits, deductions, residency, employer withholding, address-level rates, and current forms. Verify final filing positions with IRS or state guidance, payroll records, tax software, or a qualified tax professional.
Frequently Asked Questions
What is the income tax rate in Idaho?
Idaho has a flat income tax rate of 5.8%. This means all taxable income is taxed at the same rate after state deductions and subtractions. Flat 5.8% since 2023. Uses federal taxable income. 60% Idaho capital gains exclusion. Grocery credit $120/person.
How much state tax will I pay in Idaho on $65,988?
On income of $65,988 filing single in Idaho, you would pay approximately $2,981 in state income tax (effective rate of 4.5%). This is after the state standard deduction of $14,600.
Does Idaho tax capital gains?
Up to 60% exclusion on Idaho-sourced capital gains. Capital gains treatment varies by state — some tax them as regular income while others offer exclusions or preferential rates.
How does Idaho compare to neighboring states for taxes?
Idaho's neighboring states include Montana (5.9% top rate), Wyoming (no income tax), Utah (4.5% top rate). Property tax rates, sales taxes, and cost of living should also be considered when comparing overall tax burden. Use the calculator above to compare your specific tax liability across states.
What is the Idaho state income tax filing deadline for 2026?
Tax year 2026 Idaho state income tax returns are generally due April 15, 2027, matching the federal filing season for 2026 returns. If the due date falls on a weekend or holiday, the deadline shifts to the next business day. Extensions typically extend time to file, not time to pay tax owed.
Where can I verify Idaho 2026 income tax forms and rates?
Verify current Idaho tax forms, instructions, and filing updates with Idaho State Tax Commission. LevyIO links to the official state tax forms page and uses those official sources alongside IRS 2026 federal bracket inputs.
Does Idaho tax retirement income, Social Security, and pensions?
Idaho taxes retirement income with state-specific exclusions. Social Security treatment varies by state. Pensions and 401(k)/IRA withdrawals are generally taxable as ordinary income at 5.8% top rate unless the state offers retirement, military, public pension, or low-income senior exclusions. Check Idaho's 2026 retirement income exclusion thresholds.
What deductions and credits are unique to Idaho in 2026?
Idaho offers standard deduction of $14,600 (single) / $29,200 (married). Additional state-specific items typically include: Idaho-specific tax credits (e.g., property tax credit, education credit, EITC supplement if available), retirement income exclusions, and state-conformity to federal deductions like SALT cap, mortgage interest, charitable contributions. Check Idaho's state tax form for the full list of state-specific credits in 2026.
If I work remotely in Idaho for an out-of-state employer, what tax do I pay?
As a Idaho resident working remotely for an out-of-state employer, the rules depend on reciprocity agreements. Reciprocity-pair states (PA-NJ, IL-IA, MI-OH, etc.) let you pay tax only to Idaho. Without reciprocity, you may pay tax to BOTH states, then claim a credit on Idaho's return for taxes paid to the work state. NY, PA-Philadelphia, and other "convenience of employer" jurisdictions can override these rules. Verify your employer's state tax setup.