Overview
- District ID
- co-hd-003
- State
- Colorado
- Chamber
- Lower chamber
- District Code
- 003
- Land Area
- 21.3 sq mi
- Water Area
- 0.24 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 5 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 6 | 49,412 | 56.6% | 6.8% | 72.9% |
| CO District 1 | 37,872 | 43.4% | 5.2% | 27.1% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 62,907
- Active Voters
- 53,361 (84.8%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 19,042 | 30.3% |
| Republican | 9,770 | 15.5% |
| Unaffiliated | 32,355 | 51.4% |
| Other parties | 1,740 | 2.8% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 22,191 (35.3%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 43,472 (69.1%) | 7,111 (11.3%) | 4,269 (6.8%) |
| 2021–2022 | 33,566 (53.4%) | 5,726 (9.1%) | 3,295 (5.2%) |
| 2019–2020 | 40,579 (64.5%) | 11,430 (18.2%) | 4,784 (7.6%) |
| 2017–2018 | 29,938 (47.6%) | 6,574 (10.5%) | 3,242 (5.2%) |
| 2015–2016 | 30,675 (48.8%) | 4,258 (6.8%) | 2,664 (4.2%) |
| 2013–2014 | 21,669 (34.4%) | 2,650 (4.2%) | 2,790 (4.4%) |
| 2011–2012 | 24,954 (39.7%) | 2,053 (3.3%) | 1,842 (2.9%) |
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
- 87,214 (± 1,925)
- Median Age
- 36.2
- Median Household Income
- $82,746 (± $3,217)
- High School Graduate or Higher (age 25+)
- 93.5%
- Bachelor's Degree or Higher (age 25+)
- 52.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 15,952 | 18.3% |
| 18 to 64 | 58,225 | 66.8% |
| 65 and over | 13,037 | 14.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 18,661 | 21.4% |
| White, not Hispanic | 54,070 | 62.0% |
| Black, not Hispanic | 5,693 | 6.5% |
| Asian, not Hispanic | 3,464 | 4.0% |
| American Indian / Alaska Native, not Hispanic | 341 | 0.4% |
| Native Hawaiian / Pacific Islander, not Hispanic | 44 | 0.1% |
| Some other race, not Hispanic | 593 | 0.7% |
| Two or more races, not Hispanic | 4,348 | 5.0% |
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
- 80,765
- Citizen Voting Age Population (CVAP)
- 65,150
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 65,384 | 81.0% |
| Hispanic | 15,381 | 19.0% |
| White | 55,009 | 68.1% |
| Black | 4,717 | 5.8% |
| Asian | 2,141 | 2.7% |
| American Indian / Alaska Native | 360 | 0.4% |
| Native Hawaiian / Pacific Islander | 45 | 0.1% |
| Two or More Races | 478 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 55,421 | 85.1% |
| Hispanic | 9,735 | 14.9% |
| White | 47,678 | 73.2% |
| Black | 4,394 | 6.7% |
| Asian | 2,240 | 3.4% |
| American Indian / Alaska Native | 831 | 1.3% |
| Native Hawaiian / Pacific Islander | 34 | 0.1% |
| Two or More Races | 281 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
