Taxes in Denver
Colorado levies a flat 4.4% state personal income tax for 2026 -- a real, structural difference from no-income-tax states like Texas, Tennessee, and Florida, and a meaningfully higher rate than Arizona's flat 2.5%, both covered elsewhere in this project -- alongside a genuinely complex Denver combined sales tax rate of 9.15% that runs above Colorado's statewide average of roughly 7.89%, plus a distinctive, Denver-specific monthly Occupational Privilege Tax covered in full on the moving topic page.
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Learn moreColorado's Flat 4.4% Income Tax -- Verified Independently, Not Assumed
Colorado applies a flat 4.4% state income tax rate for 2026 to all taxable income regardless of filing status, per the Tax Foundation, AARP's state tax guide, and multiple 2026 tax-rate aggregators independently reviewed this session. This is a real, structural, and meaningfully different tax profile than the no-income-tax states (Texas, Tennessee, Florida) and the flat 2.5% Arizona rate covered elsewhere in this project -- Denver residents do pay state tax on wages, most retirement withdrawals, and most other income (see the retiring topic page in the companion file for Colorado's real retirement-income subtraction rules).
Denver's Combined Sales Tax Rate: Genuinely Complex, and Above the Statewide Average
Denver's minimum combined 2026 sales tax rate is 9.15%, made up of Colorado's 2.9% state rate, a 5.15% Denver city rate, a 1.0% Regional Transportation District (RTD) rate, and a 0.10% Scientific and Cultural Facilities District (SCFD) rate, per Avalara and Denver's own Treasury Division tax-rate documentation. Denver County's own government sales-tax component is 0%, since Denver is a consolidated city-county. This 9.15% standard rate applies across 53 Denver zip codes, though special taxing districts and urban redevelopment areas can push the rate higher for specific addresses -- and it runs meaningfully above Colorado's statewide average combined rate of roughly 7.89% (the 2.9% state rate plus an average local rate of about 4.99%), per a separate 2026 sales-tax aggregator.
Groceries and Residential Utilities Are Exempt
Colorado exempts groceries, electricity and fuel for residential use, diapers and incontinence products, and renewable-energy components from state sales tax -- a real, meaningful exemption given how much of Denver's overall cost-of-living premium (see the cost-of-living topic page) traces to housing and utilities rather than everyday purchases.
No State Estate or Inheritance Tax
Colorado does not levy a state estate tax or inheritance tax, per SmartAsset and multiple 2026 estate-planning sources reviewed this session -- though Colorado residents with sufficiently large estates may still owe the federal estate tax. This detail should be confirmed against current guidance for anyone making estate-planning decisions on this basis.
Denver's Occupational Privilege Tax and Property Taxes: Pointers to Full Detail
Two further Denver-specific tax topics deserve their own full treatment rather than a repeat here: Denver's monthly Occupational Privilege Tax ($5.75/month employee-side, $4.00/month employer-side, for anyone earning $500+/month from Denver-based work), covered on the moving topic page, and Denver's genuinely complex, two-rate residential property tax assessment system following the 2020 repeal of the Gallagher Amendment, covered in full on the property-taxes topic page.
Key takeaways
- Colorado's flat 4.4% state income tax (2026) is a real, structural difference from no-income-tax states (Texas, Tennessee, Florida) and from Arizona's flat 2.5% rate, both covered elsewhere in this project -- independently verified this session, not assumed.
- Denver's combined sales tax rate is 9.15% (2.9% state + 5.15% city + 1.0% RTD + 0.10% SCFD), applying to 53 standard Denver zip codes and running above Colorado's roughly 7.89% statewide average combined rate; special districts can push specific addresses higher.
- Groceries, residential electricity/fuel, diapers, and renewable-energy components are exempt from Colorado sales tax -- a real, meaningful carve-out given how housing-dominated Denver's overall cost premium is.
- Colorado levies no state estate or inheritance tax, though the federal estate tax can still apply to sufficiently large estates.
- Denver layers on two further, city-specific tax details covered elsewhere in this stack: a monthly Occupational Privilege Tax (moving topic page) and a genuinely complex, two-rate property tax assessment system (property-taxes topic page).
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