Colorado vs Idaho Taxes: Take-Home Pay Compared (2026)
On a $75,000 salary, a single filer keeps $530 more a year in Colorado than in Idaho ($44 a month).
Colorado
4.4% flat state income tax
$59,000
take-home on $75,000 · $4,917/month
21st of 51 states for take-home pay
Colorado paycheck calculator ›Idaho
5.3% flat state income tax
$58,470
take-home on $75,000 · $4,873/month
35th of 51 states for take-home pay
Idaho paycheck calculator ›Take-home pay in Colorado and Idaho by salary
| Salary | Colorado | Idaho | Difference |
|---|---|---|---|
| $40,000 | $33,268 | $33,053 | $215 more in Colorado |
| $50,000 | $40,863 | $40,558 | $305 more in Colorado |
| $60,000 | $48,458 | $48,063 | $395 more in Colorado |
| $75,000 | $59,000 | $58,470 | $530 more in Colorado |
| $100,000 | $75,488 | $74,733 | $755 more in Colorado |
| $125,000 | $91,911 | $90,931 | $980 more in Colorado |
| $150,000 | $107,899 | $106,694 | $1,205 more in Colorado |
| $200,000 | $140,835 | $139,180 | $1,655 more in Colorado |
Single filer, standard deduction, no local tax. To match $75,000 in Colorado you would need about $75,800 in Idaho; to match $75,000 in Idaho you would need about $74,200 in Colorado.
How Colorado and Idaho tax wages
| 2026 | Colorado | Idaho |
|---|---|---|
| Income tax | a flat 4.4% income tax | a flat 5.3% income tax |
| Top rate | 4.4% | 5.3% |
| Standard deduction | Federal ($16,100 single) | Federal ($16,100 single) |
| State tax on $75k | $2,592 (3.5%) | $3,122 (4.2%) |
| Local wage taxes | Yes (4 modeled) | No |
| Reciprocity | None | None |
| 2026 change | No rate change | Idaho cut its flat rate to 5.3%, retroactive to January 1, 2025. |
Colorado vs Idaho: FAQ
Does Colorado or Idaho have lower income taxes in 2026?
On a $75,000 salary, a single filer keeps $530 more a year in Colorado than in Idaho ($44 a month). Colorado has a flat 4.4% income tax for 2026. Idaho has a flat 5.3% income tax for 2026.
What salary in Idaho equals $75,000 in Colorado?
To take home the same $59,000 that $75,000 leaves in Colorado, you would need about $75,800 in Idaho, based on income, payroll, and state taxes only. Housing and other living costs are not included.
How much more do high earners keep in Colorado than in Idaho?
At $150,000 the gap is $1,205 a year: $107,899 in Colorado versus $106,694 in Idaho. With flat or no state tax, the gap grows roughly in line with salary.
What if I live in Colorado and work in Idaho?
Colorado and Idaho do not have a reciprocity agreement, so Idaho withholds tax on wages earned there and Colorado generally gives residents a credit for tax paid to the other state. You effectively pay the higher of the two rates.
Do local taxes change the Colorado vs Idaho comparison?
Colorado has local wage taxes in places like Denver ($5.75/month), Greenwood Village ($2/month), Sheridan ($3/month). Those are on top of the statewide figures above, so check the city calculators if you live or work in one of them.