Colorado State House District 1

State Legislative District Profile (Lower Chamber)

Overview

District ID
co-hd-001
State
Colorado
Chamber
Lower chamber
District Code
001
Land Area
15.2 sq mi
Water Area
1.11 sq mi

Boundary

Boundary of Colorado State House District 1

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Denver County15.18 sq mi100.0%9.9%
Jefferson County0.01 sq mi0.1%<0.1%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Denver city15.18 sq mi100.0%9.9%

Showing all 1 place

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
CO District 187,635100.0%12.1%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
57,213
Active Voters
51,394 (89.8%)

Party Registration

PartyVotersShare
Democratic18,91033.1%
Republican7,78013.6%
Unaffiliated28,87950.5%
Other parties1,6442.9%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202618,664 (32.6%)0 (0.0%)0 (0.0%)
2023–202437,558 (65.6%)6,454 (11.3%)3,457 (6.0%)
2021–202228,075 (49.1%)5,226 (9.1%)2,459 (4.3%)
2019–202036,081 (63.1%)11,059 (19.3%)3,590 (6.3%)
2017–201825,960 (45.4%)6,039 (10.6%)2,282 (4.0%)
2015–201627,555 (48.2%)3,439 (6.0%)1,794 (3.1%)
2013–201418,316 (32.0%)2,398 (4.2%)1,853 (3.2%)
2011–201222,454 (39.2%)2,265 (4.0%)1,221 (2.1%)

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
85,987 (± 3,470)
Median Age
35.9
Median Household Income
$82,559 (± $3,694)
High School Graduate or Higher (age 25+)
82.7%
Bachelor's Degree or Higher (age 25+)
34.4%

Population by Age

GroupPeopleShare
Under 1819,10222.2%
18 to 6454,52563.4%
65 and over12,36014.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)38,71445.0%
White, not Hispanic35,83241.7%
Black, not Hispanic2,6413.1%
Asian, not Hispanic4,7695.5%
American Indian / Alaska Native, not Hispanic1300.2%
Native Hawaiian / Pacific Islander, not Hispanic450.1%
Some other race, not Hispanic6130.7%
Two or more races, not Hispanic3,2433.8%

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
77,820
Citizen Voting Age Population (CVAP)
59,190

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic45,71158.7%
Hispanic32,11541.3%
White36,41946.8%
Black2,4813.2%
Asian3,8705.0%
American Indian / Alaska Native1310.2%
Native Hawaiian / Pacific Islander470.1%
Two or More Races660.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic38,02664.2%
Hispanic21,16035.7%
White31,88153.9%
Black2,2263.8%
Asian3,3215.6%
American Indian / Alaska Native6061.0%
Native Hawaiian / Pacific Islander400.1%
Two or More Races310.1%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).