Idaho Paycheck Calculator (2026)
Last updated: June 1, 2026 · Reviewed by financial data models and current tax guidelines
Use this calculator to estimate your take-home pay in Idaho after federal and Idaho state taxes in 2026.
- • State tax: 5.80% flat
- • Federal brackets: 10%–37%
- • FICA: 7.65% (SS + Medicare)
Enter Your Pay Details
Calculate your take-home pay with 2026 federal and state tax rates.
Enter your pay details to see your take-home pay
Idaho Tax Overview for 2026
State Income Tax
5.80% flat
State Std. Deduction
$14,600
Social Security Cap
$184,500
Federal Top Rate
37%
Idaho Income Tax Brackets 2026
Idaho uses a flat income tax rate of 5.80% on all taxable income after the $14,600 state standard deduction.
How Paychecks Work in Idaho
Your Idaho paycheck starts with your gross salary. First, the federal standard deduction is subtracted, then federal income tax is calculated using 2026's progressive brackets (10%–37%). Next, Idaho applies its own tax rate (up to 5.8%) to your state taxable income. Finally, FICA taxes — Social Security (6.2%) and Medicare (1.45%) — are withheld from your gross pay. What remains is your net take-home pay.
Pre-tax deductions such as 401(k) contributions and HSA contributions reduce your taxable income before both federal and state taxes are calculated, effectively lowering your overall tax burden. Use the calculator above to see exactly how pre-tax deductions impact your Idaho paycheck.
Tax Tips for Idaho Workers
- •Contribute to your 401(k) to lower your taxable income in Idaho — every dollar you contribute reduces your federal tax bill.
- •If your employer offers an HSA, use it: contributions are tax-free at both the federal and state level.
- •Check if Idaho offers any state-specific tax credits or deductions beyond the standard deduction — these can further reduce your state tax burden.
- •Consider how Idaho's tax brackets affect bonuses and overtime — supplemental income may be taxed at a higher marginal rate.
Example Take-Home Pay in Idaho
Here's what common salaries look like after taxes in Idaho (single filer, 2026):
Gross: $50,000.00
$40,301.80
take-home/year
$1,550.07/biweekly
Eff. rate: 19.4%
Gross: $75,000.00
$58,089.30
take-home/year
$2,234.20/biweekly
Eff. rate: 22.5%
Gross: $100,000.00
$74,226.80
take-home/year
$2,854.88/biweekly
Eff. rate: 25.8%
See your exact amount: $70K · $90K · $120K after tax in Idaho
Idaho Economy and Job Market
Idaho has been one of the fastest-growing states economically, driven by technology companies relocating to the Boise metro area. Micron Technology (one of the world's largest semiconductor manufacturers) is headquartered in Boise, and companies like Hewlett-Packard and numerous startups have established significant operations. Agriculture remains vital — Idaho is the nation's top potato producer and a major dairy state. The state also has a growing outdoor recreation economy.
Median Household Income
$65,988
Cost of Living Index
94
(100 = national avg)
Key Industries
Semiconductor Manufacturing, Technology, Agriculture
Understanding Idaho's Tax System
Idaho recently simplified its income tax to a flat rate of 5.8%, down from a previous graduated system. This makes Idaho competitive with neighboring states while still funding state services. The state sales tax is 6%, and property taxes are moderate. Idaho does not tax Social Security benefits, which is relevant for older workers planning retirement.
Idaho has been among the top 3 fastest-growing states by population for several consecutive years, driven largely by migration from California and the Pacific Northwest — this growth is reshaping the Boise metro from a small city into a mid-sized tech hub.
Cost of Living in Idaho
Idaho's cost of living is about 6% below the national average, though the Boise area has seen significant price increases due to rapid population growth. Housing in Boise has risen dramatically over the past five years as remote workers and relocating families discovered the area's quality of life. Smaller cities like Twin Falls and Idaho Falls remain quite affordable, offering a low-cost alternative with access to outdoor recreation. The cost of living in Idaho is below the national average (index: 94 vs. 100). This directly impacts how far your paycheck stretches.
Boise
$1,250/mo
Median 1BR rent
Meridian
$1,300/mo
Median 1BR rent
Idaho Falls
$950/mo
Median 1BR rent
Financial Planning Tips for Idaho Workers
Idaho's flat 5.8% tax rate is straightforward and competitive. If you're relocating from a high-tax state, the combination of moderate taxes and below-average cost of living can significantly increase your purchasing power. Be aware that Boise-area housing has risen sharply — if affordability is a priority, consider emerging tech hubs like Idaho Falls or Coeur d'Alene.
With a median household income of $65,988 and a cost of living index of 94, Idaho workers should calibrate their savings goals and housing budgets to local conditions. The relatively affordable cost of living in Idaho means your dollars go further — consider allocating the savings toward retirement contributions or debt payoff.
Related Calculators & Tools
Reverse Salary Calculator
Know your target net pay? Find the gross salary needed in Idaho.
Hourly to Salary Converter
Convert hourly wage to annual salary with estimated after-tax pay.
Compare Take-Home by State
See how Idaho take-home pay compares to other states.
2026 Tax Guide
Complete 2026 federal tax brackets, FICA rates, and state tax overview.
Data Sources & Methodology
- • Federal tax brackets: IRS Revenue Procedure 2025-32 (2026 tax year)
- • Standard deduction: $16,100 (single), $32,200 (married filing jointly)
- • Social Security: 6.2% on wages up to $184,500 (SSA 2026)
- • Medicare: 1.45% on all wages + 0.9% additional above $200,000
- • Work hours: 40 hours/week × 52 weeks = 2,080 hours/year (standard full-time)
- • State taxes: Latest published rates for all 50 states + DC
- • Estimates assume single filer, no dependents, standard deduction, no pre-tax deductions unless specified
Frequently Asked Questions
Explore More Salary Calculations
State Calculators
Important Disclaimer
This calculator provides estimates only and should not be considered financial or tax advice. Actual amounts may vary based on your specific situation, employer policies, and current tax laws. For personalized advice, please consult a qualified tax professional or financial advisor.