Overview
- District ID
- co-sd-011
- State
- Colorado
- Chamber
- Upper chamber (state senate)
- District Code
- 011
- Land Area
- 87.4 sq mi
- Water Area
- 0.15 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 | 87.41 sq mi | 100.0% | 4.1% |
Showing all 1 county
Places
Showing all 3 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 | 165,985 | 100.0% | 23.0% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 115,092
- Active Voters
- 92,783 (80.6%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 22,509 | 19.6% |
| Republican | 21,616 | 18.8% |
| Unaffiliated | 66,914 | 58.1% |
| Other parties | 4,053 | 3.5% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 23,709 (20.6%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 62,116 (54.0%) | 6,587 (5.7%) | 9,098 (7.9%) |
| 2021–2022 | 40,442 (35.1%) | 5,532 (4.8%) | 6,513 (5.7%) |
| 2019–2020 | 54,684 (47.5%) | 9,706 (8.4%) | 8,944 (7.8%) |
| 2017–2018 | 34,406 (29.9%) | 5,082 (4.4%) | 5,853 (5.1%) |
| 2015–2016 | 38,559 (33.5%) | 3,087 (2.7%) | 4,855 (4.2%) |
| 2013–2014 | 23,839 (20.7%) | 2,240 (1.9%) | 4,339 (3.8%) |
| 2011–2012 | 29,803 (25.9%) | 1,765 (1.5%) | 3,837 (3.3%) |
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
- 167,224 (± 3,853)
- Median Age
- 31.9
- Median Household Income
- $65,928 (± $1,996)
- High School Graduate or Higher (age 25+)
- 90.8%
- Bachelor's Degree or Higher (age 25+)
- 26.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 40,184 | 24.0% |
| 18 to 64 | 108,365 | 64.8% |
| 65 and over | 18,675 | 11.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 50,897 | 30.4% |
| White, not Hispanic | 80,460 | 48.1% |
| Black, not Hispanic | 15,688 | 9.4% |
| Asian, not Hispanic | 4,552 | 2.7% |
| American Indian / Alaska Native, not Hispanic | 497 | 0.3% |
| Native Hawaiian / Pacific Islander, not Hispanic | 742 | 0.4% |
| Some other race, not Hispanic | 818 | 0.5% |
| Two or more races, not Hispanic | 13,570 | 8.1% |
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
- 157,160
- Citizen Voting Age Population (CVAP)
- 117,989
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 113,730 | 72.4% |
| Hispanic | 43,427 | 27.6% |
| White | 82,010 | 52.2% |
| Black | 15,060 | 9.6% |
| Asian | 3,786 | 2.4% |
| American Indian / Alaska Native | 503 | 0.3% |
| Native Hawaiian / Pacific Islander | 734 | 0.5% |
| Two or More Races | 2,944 | 1.9% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 90,163 | 76.4% |
| Hispanic | 27,824 | 23.6% |
| White | 67,949 | 57.6% |
| Black | 13,884 | 11.8% |
| Asian | 4,585 | 3.9% |
| American Indian / Alaska Native | 1,895 | 1.6% |
| Native Hawaiian / Pacific Islander | 577 | 0.5% |
| Two or More Races | 1,458 | 1.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).