Idaho vs Kentucky Paycheck Comparison 2026
Annual salary
Annual salary
Additional options (filing status, deductions)
You take home $1,646/yr more in Kentucky
$137/mo · $63/paycheck more
$57,321/yr in Idaho vs $58,968/yr in Kentucky.
Idaho
Take-home per paycheck
$2,204.66
$57,321/yr · 26x/yr
Tax rates
Kentucky
Take-home per paycheck
$2,267.98
$58,968/yr · 26x/yr
Tax rates
Cost of living comparison
Cost of living in Idaho is 9% higher than in Kentucky.
At a $75,000 salary, take-home pay of $57,321 in Idaho has the purchasing power of $62,208 in Kentucky terms.
After adjusting for cost of living, Idaho comes out ahead by $3,241/yr.
Estimate based on 2026 tax rates and standard deductions. Does not include local taxes, itemized deductions, tax credits, or other individual circumstances.
Tax system comparison
Idaho: Idaho has a flat state income tax of 5.70%. All taxable income is taxed at the same rate.
Kentucky: Kentucky has a flat state income tax of 3.50%. All taxable income is taxed at the same rate.
Take-home pay at different salaries (single filer, 2026)
| Salary | Idaho take-home | Kentucky take-home | Difference |
|---|---|---|---|
| $50,000 | $39,508 | $40,605 | -$1,097 |
| $75,000 | $57,321 | $58,968 | -$1,646 |
| $100,000 | $73,485 | $75,680 | -$2,195 |
| $150,000 | $105,249 | $108,541 | -$3,292 |
| $200,000 | $137,537 | $141,927 | -$4,390 |
| $300,000 | $198,092 | $204,677 | -$6,585 |
Positive values mean higher take-home in Idaho. Assumes single filer, no deductions.
FAQ
Which state has lower taxes, Idaho or Kentucky?
At a $100,000 salary, Kentucky results in $2,195 more annual take-home pay. Idaho has a flat state income tax of 5.70%. All taxable income is taxed at the same rate. Kentucky has a flat state income tax of 3.50%. All taxable income is taxed at the same rate.
How much more do you take home in Kentucky vs the other state?
The difference depends on salary. At $50,000, the gap is $1,098/yr. At $150,000, it grows to $3,293/yr. At $300,000, the difference is $6,585/yr.
Do Idaho and Kentucky have the same federal taxes?
Yes. Federal income tax, Social Security, and Medicare are the same in every state. Only state income tax differs. This calculator shows the combined effect of federal and state taxes on your take-home pay.
Is it cheaper to live in Idaho or Kentucky?
Kentucky is cheaper to live in. Cost of living in Idaho is 9% higher than in Kentucky. Idaho's Regional Price Parity is 95.9 and Kentucky's is 88.3 (US average = 100).
Is Kentucky cheaper than Idaho?
Yes. Kentucky has a lower cost of living than Idaho (index 88.3 vs 95.9). Housing is typically the biggest difference between the two states.
Is Idaho more expensive than Kentucky?
Yes. Idaho has a higher cost of living (index 95.9) compared to Kentucky (index 88.3). The national average is 100. Housing costs are typically the largest driver of the difference.
After cost of living, which state is actually cheaper?
At a $100,000 salary, take-home pay of $73,485 in Idaho has the purchasing power of $79,810 in Kentucky terms. Conversely, $75,680 in Kentucky equals $69,682 in Idaho terms. After adjusting for both taxes and cost of living, Idaho comes out ahead.
Idaho vs Kentucky cost of living — what's the difference?
The overall cost of living is 8% different between Idaho and Kentucky. Living costs are about 4% below the national average Living costs are 12% below the national average After taxes and cost of living, Idaho gives you more purchasing power on a $100,000 salary.
Do I need to file state tax returns in both Idaho and Kentucky?
Idaho requires residents to file a state income tax return annually, typically due April 15. Kentucky requires residents to file a state income tax return annually, typically due April 15. If you move between states mid-year, you typically file a part-year resident return in each state for the income earned while living there. Each state has its own tax return form — check your state's department of revenue website for the correct form and e-filing options.
Related tools
- Idaho vs Kentucky Cost of Living — Compare housing, groceries, utilities, and overall expenses
- How much house can you afford in Idaho?
- How much house can you afford in Kentucky?
- Idaho Tax Brackets — See 2026 marginal rates and effective tax rate
- Kentucky Tax Brackets — See 2026 marginal rates and effective tax rate
- Idaho Bonus Tax Calculator — See how bonuses are taxed differently
- Kentucky Bonus Tax Calculator — See how bonuses are taxed differently
- Pay Raise Calculator — See how a raise changes your take-home pay
- Gross-Up Calculator — Find the salary you need to hit a target take-home
- Salary to Hourly Converter — Convert annual salary to hourly rate
Idaho Paycheck Estimator · Kentucky Paycheck Estimator · All states