Colorado State House District 34

State Legislative District Profile (Lower Chamber)

Overview

District ID
co-hd-034
State
Colorado
Chamber
Lower chamber
District Code
034
Land Area
17.4 sq mi
Water Area
0.35 sq mi

Boundary

Boundary of Colorado State House District 34

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Adams County17.40 sq mi100.0%1.5%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Thornton city10.54 sq mi60.6%28.9%
Northglenn city6.37 sq mi36.6%86.6%

Showing all 2 places

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 887,232100.0%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
63,056
Active Voters
57,035 (90.5%)

Party Registration

PartyVotersShare
Democratic16,24625.8%
Republican12,47319.8%
Unaffiliated32,59051.7%
Other parties1,7472.8%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202622,732 (36.1%)0 (0.0%)0 (0.0%)
2023–202444,999 (71.4%)6,007 (9.5%)5,740 (9.1%)
2021–202233,248 (52.7%)5,182 (8.2%)4,124 (6.5%)
2019–202041,967 (66.6%)9,294 (14.7%)5,768 (9.1%)
2017–201829,870 (47.4%)5,245 (8.3%)3,236 (5.1%)
2015–201631,921 (50.6%)2,728 (4.3%)2,307 (3.7%)
2013–201421,424 (34.0%)2,329 (3.7%)2,494 (4.0%)
2011–201226,335 (41.8%)2,074 (3.3%)1,642 (2.6%)

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
89,498 (± 2,221)
Median Age
35.6
Median Household Income
$103,474 (± $2,978)
High School Graduate or Higher (age 25+)
90.5%
Bachelor's Degree or Higher (age 25+)
34.3%

Population by Age

GroupPeopleShare
Under 1821,62124.2%
18 to 6456,96163.6%
65 and over10,91612.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)27,06430.2%
White, not Hispanic50,19556.1%
Black, not Hispanic2,4632.8%
Asian, not Hispanic4,7445.3%
American Indian / Alaska Native, not Hispanic1740.2%
Native Hawaiian / Pacific Islander, not Hispanic490.1%
Some other race, not Hispanic4360.5%
Two or more races, not Hispanic4,3734.9%

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
84,034
Citizen Voting Age Population (CVAP)
63,163

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic59,90771.3%
Hispanic24,12428.7%
White50,15859.7%
Black2,3362.8%
Asian3,5314.2%
American Indian / Alaska Native1760.2%
Native Hawaiian / Pacific Islander300.0%
Two or More Races3160.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic46,39373.4%
Hispanic16,76726.5%
White39,85463.1%
Black2,2273.5%
Asian3,3815.4%
American Indian / Alaska Native7961.3%
Native Hawaiian / Pacific Islander300.0%
Two or More Races1060.2%

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