Overview
- District ID
- co-sd-006
- State
- Colorado
- Chamber
- Upper chamber (state senate)
- District Code
- 006
- Land Area
- 18,164.8 sq mi
- Water Area
- 43.2 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 14 counties
Places
Showing top 25 of 54 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 | 161,109 | 100.0% | 22.3% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 138,313
- Active Voters
- 123,398 (89.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 29,873 | 21.6% |
| Republican | 36,630 | 26.5% |
| Unaffiliated | 68,712 | 49.7% |
| Other parties | 3,098 | 2.2% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 55,875 (40.4%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 99,562 (72.0%) | 13,548 (9.8%) | 20,681 (15.0%) |
| 2021–2022 | 81,489 (58.9%) | 11,197 (8.1%) | 16,684 (12.1%) |
| 2019–2020 | 90,509 (65.4%) | 21,255 (15.4%) | 20,558 (14.9%) |
| 2017–2018 | 69,261 (50.1%) | 12,525 (9.1%) | 11,869 (8.6%) |
| 2015–2016 | 70,775 (51.2%) | 9,098 (6.6%) | 9,471 (6.8%) |
| 2013–2014 | 53,094 (38.4%) | 6,620 (4.8%) | 10,264 (7.4%) |
| 2011–2012 | 58,752 (42.5%) | 6,213 (4.5%) | 8,085 (5.8%) |
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
- 163,414 (± 443)
- Median Age
- 43.8
- Median Household Income
- $70,097 (± $2,245)
- High School Graduate or Higher (age 25+)
- 93.8%
- Bachelor's Degree or Higher (age 25+)
- 40.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 30,952 | 18.9% |
| 18 to 64 | 94,945 | 58.1% |
| 65 and over | 37,517 | 23.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 35,646 | 21.8% |
| White, not Hispanic | 112,424 | 68.8% |
| Black, not Hispanic | 815 | 0.5% |
| Asian, not Hispanic | 1,209 | 0.7% |
| American Indian / Alaska Native, not Hispanic | 5,602 | 3.4% |
| Native Hawaiian / Pacific Islander, not Hispanic | 54 | 0.0% |
| Some other race, not Hispanic | 1,096 | 0.7% |
| Two or more races, not Hispanic | 6,568 | 4.0% |
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
- 160,046
- Citizen Voting Age Population (CVAP)
- 129,345
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 126,645 | 79.1% |
| Hispanic | 33,401 | 20.9% |
| White | 114,393 | 71.5% |
| Black | 642 | 0.4% |
| Asian | 986 | 0.6% |
| American Indian / Alaska Native | 5,661 | 3.5% |
| Native Hawaiian / Pacific Islander | 44 | 0.0% |
| Two or More Races | 217 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 106,098 | 82.0% |
| Hispanic | 23,247 | 18.0% |
| White | 96,539 | 74.6% |
| Black | 886 | 0.7% |
| Asian | 1,258 | 1.0% |
| American Indian / Alaska Native | 7,259 | 5.6% |
| Native Hawaiian / Pacific Islander | 44 | 0.0% |
| Two or More Races | 193 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
