Overview
- District ID
- co-hd-057
- State
- Colorado
- Chamber
- Lower chamber
- District Code
- 057
- Land Area
- 4,139.6 sq mi
- Water Area
- 12.3 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
Places
Showing all 21 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| CO District 3 | 88,776 | 100.0% | 12.3% | 99.8% |
| CO District 2 | 27 | <0.1% | <0.1% | 0.2% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 64,234
- Active Voters
- 57,873 (90.1%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 15,053 | 23.4% |
| Republican | 13,050 | 20.3% |
| Unaffiliated | 34,591 | 53.9% |
| Other parties | 1,540 | 2.4% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 24,919 (38.8%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 46,395 (72.2%) | 5,914 (9.2%) | 6,535 (10.2%) |
| 2021–2022 | 37,500 (58.4%) | 5,949 (9.3%) | 5,226 (8.1%) |
| 2019–2020 | 43,206 (67.3%) | 9,770 (15.2%) | 6,522 (10.2%) |
| 2017–2018 | 33,054 (51.5%) | 5,372 (8.4%) | 3,493 (5.4%) |
| 2015–2016 | 33,916 (52.8%) | 2,742 (4.3%) | 2,977 (4.6%) |
| 2013–2014 | 24,287 (37.8%) | 1,961 (3.1%) | 2,699 (4.2%) |
| 2011–2012 | 27,727 (43.2%) | 1,648 (2.6%) | 2,418 (3.8%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 01/20/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 87,932 (± 784)
- Median Age
- 39.7
- Median Household Income
- $96,791 (± $3,485)
- High School Graduate or Higher (age 25+)
- 91.2%
- Bachelor's Degree or Higher (age 25+)
- 41.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 19,457 | 22.1% |
| 18 to 64 | 53,811 | 61.2% |
| 65 and over | 14,664 | 16.7% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 24,514 | 27.9% |
| White, not Hispanic | 57,937 | 65.9% |
| Black, not Hispanic | 476 | 0.5% |
| Asian, not Hispanic | 882 | 1.0% |
| American Indian / Alaska Native, not Hispanic | 186 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 82 | 0.1% |
| Some other race, not Hispanic | 452 | 0.5% |
| Two or more races, not Hispanic | 3,403 | 3.9% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 81,303
- Citizen Voting Age Population (CVAP)
- 62,137
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 62,548 | 76.9% |
| Hispanic | 18,762 | 23.1% |
| White | 59,551 | 73.2% |
| Black | 456 | 0.6% |
| Asian | 755 | 0.9% |
| American Indian / Alaska Native | 186 | 0.2% |
| Native Hawaiian / Pacific Islander | 82 | 0.1% |
| Two or More Races | 83 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 51,463 | 82.8% |
| Hispanic | 10,671 | 17.2% |
| White | 49,283 | 79.3% |
| Black | 615 | 1.0% |
| Asian | 815 | 1.3% |
| American Indian / Alaska Native | 640 | 1.0% |
| Native Hawaiian / Pacific Islander | 69 | 0.1% |
| Two or More Races | 41 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).