Overview
- District ID
- co-hd-036
- State
- Colorado
- Chamber
- Lower chamber
- District Code
- 036
- Land Area
- 152.9 sq mi
- Water Area
- 0.49 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 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 6 | 85,705 | 98.0% | 11.9% | 89.7% |
| CO District 4 | 1,774 | 2.0% | 0.2% | 10.3% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 60,629
- Active Voters
- 54,507 (89.9%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 18,644 | 30.8% |
| Republican | 8,179 | 13.5% |
| Unaffiliated | 31,859 | 52.5% |
| Other parties | 1,947 | 3.2% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 15,864 (26.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 36,178 (59.7%) | 5,432 (9.0%) | 3,050 (5.0%) |
| 2021–2022 | 23,681 (39.1%) | 3,692 (6.1%) | 2,094 (3.5%) |
| 2019–2020 | 33,545 (55.3%) | 8,810 (14.5%) | 3,192 (5.3%) |
| 2017–2018 | 21,974 (36.2%) | 4,101 (6.8%) | 1,790 (3.0%) |
| 2015–2016 | 23,790 (39.2%) | 2,428 (4.0%) | 1,406 (2.3%) |
| 2013–2014 | 14,468 (23.9%) | 1,650 (2.7%) | 1,339 (2.2%) |
| 2011–2012 | 18,771 (31.0%) | 1,312 (2.2%) | 875 (1.4%) |
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
- 96,540 (± 2,111)
- Median Age
- 33.3
- Median Household Income
- $94,345 (± $2,598)
- High School Graduate or Higher (age 25+)
- 79.7%
- Bachelor's Degree or Higher (age 25+)
- 27.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 25,039 | 25.9% |
| 18 to 64 | 63,596 | 65.9% |
| 65 and over | 7,905 | 8.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 38,781 | 40.2% |
| White, not Hispanic | 30,422 | 31.5% |
| Black, not Hispanic | 14,197 | 14.7% |
| Asian, not Hispanic | 6,222 | 6.4% |
| American Indian / Alaska Native, not Hispanic | 240 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 841 | 0.9% |
| Some other race, not Hispanic | 738 | 0.8% |
| Two or more races, not Hispanic | 5,099 | 5.3% |
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
- 79,471
- Citizen Voting Age Population (CVAP)
- 56,201
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 53,420 | 67.2% |
| Hispanic | 26,050 | 32.8% |
| White | 30,695 | 38.6% |
| Black | 12,837 | 16.2% |
| Asian | 4,420 | 5.6% |
| American Indian / Alaska Native | 241 | 0.3% |
| Native Hawaiian / Pacific Islander | 611 | 0.8% |
| Two or More Races | 1,052 | 1.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 41,663 | 74.1% |
| Hispanic | 14,540 | 25.9% |
| White | 25,661 | 45.7% |
| Black | 10,536 | 18.7% |
| Asian | 4,265 | 7.6% |
| American Indian / Alaska Native | 674 | 1.2% |
| Native Hawaiian / Pacific Islander | 247 | 0.4% |
| Two or More Races | 575 | 1.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
