Overview
- District ID
- co-sd-034
- State
- Colorado
- Chamber
- Upper chamber (state senate)
- District Code
- 034
- Land Area
- 26 sq mi
- Water Area
- 0.41 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 |
|---|
| Denver County | 26.01 sq mi | 100.0% | 17.0% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| Denver city | 26.01 sq mi | 100.0% | 17.0% |
Showing all 1 place
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 1 | 166,947 | 100.0% | 23.1% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 131,519
- Active Voters
- 109,825 (83.5%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 49,750 | 37.8% |
| Republican | 9,591 | 7.3% |
| Unaffiliated | 68,376 | 52.0% |
| Other parties | 3,802 | 2.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 39,807 (30.3%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 84,148 (64.0%) | 15,998 (12.2%) | 2,661 (2.0%) |
| 2021–2022 | 58,805 (44.7%) | 12,330 (9.4%) | 1,594 (1.2%) |
| 2019–2020 | 70,176 (53.4%) | 25,826 (19.6%) | 2,759 (2.1%) |
| 2017–2018 | 47,504 (36.1%) | 13,201 (10.0%) | 1,629 (1.2%) |
| 2015–2016 | 47,081 (35.8%) | 6,706 (5.1%) | 1,215 (0.9%) |
| 2013–2014 | 29,039 (22.1%) | 4,580 (3.5%) | 1,242 (0.9%) |
| 2011–2012 | 35,387 (26.9%) | 3,368 (2.6%) | 770 (0.6%) |
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
- 166,840 (± 3,670)
- Median Age
- 33.8
- Median Household Income
- $98,526 (± $3,640)
- High School Graduate or Higher (age 25+)
- 87.3%
- Bachelor's Degree or Higher (age 25+)
- 55.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 25,501 | 15.3% |
| 18 to 64 | 125,448 | 75.2% |
| 65 and over | 15,891 | 9.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 60,939 | 36.5% |
| White, not Hispanic | 86,464 | 51.8% |
| Black, not Hispanic | 5,932 | 3.6% |
| Asian, not Hispanic | 3,885 | 2.3% |
| American Indian / Alaska Native, not Hispanic | 775 | 0.5% |
| Native Hawaiian / Pacific Islander, not Hispanic | 617 | 0.4% |
| Some other race, not Hispanic | 733 | 0.4% |
| Two or more races, not Hispanic | 7,495 | 4.5% |
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
- 152,515
- Citizen Voting Age Population (CVAP)
- 127,914
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 103,410 | 67.8% |
| Hispanic | 49,104 | 32.2% |
| White | 87,472 | 57.4% |
| Black | 5,674 | 3.7% |
| Asian | 3,200 | 2.1% |
| American Indian / Alaska Native | 778 | 0.5% |
| Native Hawaiian / Pacific Islander | 749 | 0.5% |
| Two or More Races | 772 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 94,064 | 73.5% |
| Hispanic | 33,846 | 26.5% |
| White | 80,669 | 63.1% |
| Black | 6,122 | 4.8% |
| Asian | 4,314 | 3.4% |
| American Indian / Alaska Native | 2,011 | 1.6% |
| Native Hawaiian / Pacific Islander | 702 | 0.5% |
| Two or More Races | 620 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
