What comes out of a Boulder paycheck
Boulder has no employee income tax; the state's 4.25% flat rate applies. At the default $90,000 salary (single, no pre-tax savings), a Boulder worker keeps about $68,514 a year — $2,635 every two weeks — for an effective rate of 23.9%.
Does Boulder have a city income tax?
Boulder has no city or county income tax on wages. Colorado taxes federal taxable income at a flat 4.25%; a few cities charge a small monthly Occupational Privilege Tax.
Boulder take-home at common salaries
Single filer, no pre-tax deductions, 2026 rates:
- • $50,000 → $40,726/yr ($3,394/mo)
- • $75,000 → $58,599/yr ($4,883/mo)
- • $100,000 → $75,124/yr ($6,260/mo)
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Read the guideFAQ
How much is $75,000 a year after taxes in Boulder, CO?
About $58,599 a year, or $2,254 biweekly, for a single filer with no pre-tax deductions: $8,114 federal, $5,738 FICA, $2,550 Colorado.
Does Boulder have a local income tax?
No. Boulder has no city or county income tax on wages.
How much is $100,000 after taxes in Boulder?
Roughly $75,124 a year ($6,260 a month) for a single filer — an effective rate of 24.9%.
How can I increase my take-home pay in Boulder?
Pre-tax 401(k), HSA and FSA contributions lower federal and state tax. Add them in the calculator above to see the effect.
For a city-specific version of this, see the New York City paycheck breakdown.
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