Overview
- District ID
- co-sd-019
- State
- Colorado
- Chamber
- Upper chamber (state senate)
- District Code
- 019
- Land Area
- 48.7 sq mi
- Water Area
- 2.47 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 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 7 | 164,250 | 100.0% | 22.8% | 100.0% |
| CO District 8 | 0 | 0.0% | 0.0% | <0.1% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 132,236
- Active Voters
- 120,521 (91.1%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 35,278 | 26.7% |
| Republican | 26,744 | 20.2% |
| Unaffiliated | 67,180 | 50.8% |
| Other parties | 3,034 | 2.3% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 57,977 (43.8%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 102,871 (77.8%) | 16,660 (12.6%) | 14,456 (10.9%) |
| 2021–2022 | 82,384 (62.3%) | 12,039 (9.1%) | 11,149 (8.4%) |
| 2019–2020 | 94,989 (71.8%) | 23,493 (17.8%) | 14,862 (11.2%) |
| 2017–2018 | 73,028 (55.2%) | 13,563 (10.3%) | 9,388 (7.1%) |
| 2015–2016 | 74,782 (56.6%) | 6,727 (5.1%) | 7,575 (5.7%) |
| 2013–2014 | 55,157 (41.7%) | 5,437 (4.1%) | 8,697 (6.6%) |
| 2011–2012 | 62,192 (47.0%) | 4,479 (3.4%) | 5,189 (3.9%) |
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
- 160,438 (± 1,566)
- Median Age
- 39.5
- Median Household Income
- $111,924 (± $3,290)
- High School Graduate or Higher (age 25+)
- 95.7%
- Bachelor's Degree or Higher (age 25+)
- 50.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 29,713 | 18.5% |
| 18 to 64 | 103,033 | 64.2% |
| 65 and over | 27,692 | 17.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 27,101 | 16.9% |
| White, not Hispanic | 119,061 | 74.2% |
| Black, not Hispanic | 1,827 | 1.1% |
| Asian, not Hispanic | 4,587 | 2.9% |
| American Indian / Alaska Native, not Hispanic | 240 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 77 | 0.0% |
| Some other race, not Hispanic | 597 | 0.4% |
| Two or more races, not Hispanic | 6,948 | 4.3% |
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
- 156,040
- Citizen Voting Age Population (CVAP)
- 126,576
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 131,175 | 84.1% |
| Hispanic | 24,867 | 15.9% |
| White | 120,137 | 77.0% |
| Black | 1,697 | 1.1% |
| Asian | 3,924 | 2.5% |
| American Indian / Alaska Native | 240 | 0.2% |
| Native Hawaiian / Pacific Islander | 76 | 0.0% |
| Two or More Races | 528 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 109,403 | 86.4% |
| Hispanic | 17,171 | 13.6% |
| White | 101,482 | 80.2% |
| Black | 2,246 | 1.8% |
| Asian | 4,180 | 3.3% |
| American Indian / Alaska Native | 1,182 | 0.9% |
| Native Hawaiian / Pacific Islander | 34 | 0.0% |
| Two or More Races | 328 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
