Overview
- District ID
- co-sd-010
- State
- Colorado
- Chamber
- Upper chamber (state senate)
- District Code
- 010
- Land Area
- 49.5 sq mi
- Water Area
- 0.05 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| El Paso County | 49.49 sq mi | 100.0% | 2.3% |
Showing all 1 county
Places
Showing all 2 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 5 | 168,317 | 100.0% | 23.3% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 135,681
- Active Voters
- 116,794 (86.1%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 21,716 | 16.0% |
| Republican | 37,895 | 27.9% |
| Unaffiliated | 72,242 | 53.2% |
| Other parties | 3,828 | 2.8% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 44,000 (32.4%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 93,511 (68.9%) | 8,186 (6.0%) | 20,368 (15.0%) |
| 2021–2022 | 67,612 (49.8%) | 6,394 (4.7%) | 15,618 (11.5%) |
| 2019–2020 | 81,427 (60.0%) | 11,286 (8.3%) | 19,633 (14.5%) |
| 2017–2018 | 56,464 (41.6%) | 6,314 (4.7%) | 13,622 (10.0%) |
| 2015–2016 | 60,898 (44.9%) | 3,490 (2.6%) | 11,414 (8.4%) |
| 2013–2014 | 41,831 (30.8%) | 2,553 (1.9%) | 10,194 (7.5%) |
| 2011–2012 | 48,439 (35.7%) | 1,775 (1.3%) | 9,268 (6.8%) |
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
- 173,632 (± 3,738)
- Median Age
- 35.1
- Median Household Income
- $91,930 (± $2,835)
- High School Graduate or Higher (age 25+)
- 94.9%
- Bachelor's Degree or Higher (age 25+)
- 40.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 38,604 | 22.2% |
| 18 to 64 | 110,195 | 63.5% |
| 65 and over | 24,833 | 14.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 32,307 | 18.6% |
| White, not Hispanic | 117,665 | 67.8% |
| Black, not Hispanic | 7,063 | 4.1% |
| Asian, not Hispanic | 5,102 | 2.9% |
| American Indian / Alaska Native, not Hispanic | 464 | 0.3% |
| Native Hawaiian / Pacific Islander, not Hispanic | 168 | 0.1% |
| Some other race, not Hispanic | 1,066 | 0.6% |
| Two or more races, not Hispanic | 9,797 | 5.6% |
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
- 169,397
- Citizen Voting Age Population (CVAP)
- 131,075
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 138,852 | 82.0% |
| Hispanic | 30,549 | 18.0% |
| White | 118,869 | 70.2% |
| Black | 7,053 | 4.2% |
| Asian | 3,821 | 2.3% |
| American Indian / Alaska Native | 453 | 0.3% |
| Native Hawaiian / Pacific Islander | 166 | 0.1% |
| Two or More Races | 1,710 | 1.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 111,790 | 85.3% |
| Hispanic | 19,277 | 14.7% |
| White | 96,821 | 73.9% |
| Black | 7,672 | 5.9% |
| Asian | 4,784 | 3.6% |
| American Indian / Alaska Native | 1,643 | 1.3% |
| Native Hawaiian / Pacific Islander | 172 | 0.1% |
| Two or More Races | 902 | 0.7% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
