Colorado State House District 19

State Legislative District Profile (Lower Chamber)

Overview

District ID
co-hd-019
State
Colorado
Chamber
Lower chamber
District Code
019
Land Area
142.2 sq mi
Water Area
4.12 sq mi

Boundary

Boundary of Colorado State House District 19

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Weld County109.72 sq mi77.2%2.8%
Boulder County32.48 sq mi22.8%4.5%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Erie town19.73 sq mi13.9%92.3%
Frederick town15.10 sq mi10.6%99.3%
Firestone town13.56 sq mi9.5%97.5%
Dacono city8.79 sq mi6.2%94.7%
Longmont city6.94 sq mi4.9%23.7%
Northglenn city0.99 sq mi0.7%13.4%
Leyner CDP0.20 sq mi0.1%100.0%

Showing all 7 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 246,15551.8%6.4%48.4%
CO District 843,01048.2%6.0%51.6%
CO District 700.0%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
78,749
Active Voters
72,566 (92.1%)

Party Registration

PartyVotersShare
Democratic17,54622.3%
Republican18,10323.0%
Unaffiliated41,26852.4%
Other parties1,8322.3%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202628,892 (36.7%)0 (0.0%)0 (0.0%)
2023–202461,331 (77.9%)7,447 (9.5%)9,053 (11.5%)
2021–202246,741 (59.4%)5,577 (7.1%)6,077 (7.7%)
2019–202054,336 (69.0%)11,128 (14.1%)8,915 (11.3%)
2017–201840,701 (51.7%)6,032 (7.7%)4,744 (6.0%)
2015–201642,022 (53.4%)2,609 (3.3%)3,573 (4.5%)
2013–201429,163 (37.0%)2,273 (2.9%)4,027 (5.1%)
2011–201233,873 (43.0%)2,014 (2.6%)2,646 (3.4%)

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
98,539 (± 2,135)
Median Age
37.7
Median Household Income
$135,191 (± $3,635)
High School Graduate or Higher (age 25+)
94.7%
Bachelor's Degree or Higher (age 25+)
51.6%

Population by Age

GroupPeopleShare
Under 1824,54224.9%
18 to 6461,48162.4%
65 and over12,51612.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)17,88918.2%
White, not Hispanic70,01371.1%
Black, not Hispanic4740.5%
Asian, not Hispanic4,3494.4%
American Indian / Alaska Native, not Hispanic2310.2%
Native Hawaiian / Pacific Islander, not Hispanic360.0%
Some other race, not Hispanic6060.6%
Two or more races, not Hispanic4,9415.0%

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
95,017
Citizen Voting Age Population (CVAP)
70,830

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic79,18583.3%
Hispanic15,83416.7%
White71,61075.4%
Black5320.6%
Asian3,5163.7%
American Indian / Alaska Native2280.2%
Native Hawaiian / Pacific Islander350.0%
Two or More Races4690.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic60,41985.3%
Hispanic10,40814.7%
White55,70478.6%
Black7491.1%
Asian3,0954.4%
American Indian / Alaska Native6961.0%
Native Hawaiian / Pacific Islander350.0%
Two or More Races2070.3%

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