Income Tax
Colorado has a flat state income tax rate of 4.40%, one of the simplest structures in the country.
Individual income tax collections
1990–2025Census State Government Tax Collections (FRED COINCTAX).
| Indicator | Colorado | U.S. |
|---|---|---|
| Top income tax rate (%) | 4.4 | 5 |
Property Tax
Colorado has one of the lowest effective property tax rates in the country at 0.51%, protected by the state's Gallagher Amendment legacy and TABOR limits.
State-level property tax collections
1990–1998Census State Government Tax Collections; excludes local property taxes (FRED COPROPTAX).
| Indicator | Colorado | U.S. |
|---|---|---|
| Effective property tax rate (%) | 0.51 | 0.9 |
- •Colorado's TABOR amendment requires voter approval for most tax increases.
Sales Tax
Colorado's state sales tax rate is just 2.9%, one of the lowest in the nation, though local add-ons push combined rates to around 7.8% on average.
General sales tax collections
1990–2025Census State Government Tax Collections (FRED COSALESTAX).
| Indicator | Colorado | U.S. |
|---|---|---|
| Avg. combined sales tax (%) | 7.8 | 7.1 |
Tax Burden
Colorado's overall state and local tax burden is about 8.4% of income, below the national average, thanks to a flat income tax and relatively low property taxes.
State tax collections per resident
1990–2025Census tax collections (COTOTLTAX) divided by Census resident population (COPOP).
| Indicator | Colorado | U.S. |
|---|---|---|
| Tax burden (%) | 8.4 | 9.9 |
Tax Revenue
Colorado's total state tax revenue was about $17 billion in fiscal year 2023, constrained by the Taxpayer's Bill of Rights (TABOR) spending limits.
State tax collections
1990–2025Census Annual Survey of State Government Tax Collections, fiscal years (FRED COTOTLTAX).
| Indicator | Colorado | U.S. |
|---|---|---|
| Tax revenue (USD B) | 17 | 1200 |