Colorado State Senate District 3

State Legislative District Profile (Upper Chamber)

Overview

District ID
co-sd-003
State
Colorado
Chamber
Upper chamber (state senate)
District Code
003
Land Area
2,386.6 sq mi
Water Area
11.2 sq mi

Boundary

Boundary of Colorado State Senate District 3

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Pueblo County2386.59 sq mi100.0%100.0%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Pueblo city55.38 sq mi2.3%97.8%
Pueblo West CDP49.69 sq mi2.1%100.0%
Colorado City CDP15.01 sq mi0.6%100.0%
Beulah Valley CDP2.57 sq mi0.1%100.0%
Blende CDP0.84 sq mi<0.1%100.0%
Avondale CDP0.63 sq mi<0.1%100.0%
Vineland CDP0.57 sq mi<0.1%100.0%
Salt Creek CDP0.43 sq mi<0.1%100.0%
Boone town0.38 sq mi<0.1%99.9%
Rye town0.09 sq mi<0.1%100.0%

Showing all 10 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 3168,162100.0%23.3%100.0%

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

Voters

Registered Voters
126,617
Active Voters
114,590 (90.5%)

Party Registration

PartyVotersShare
Democratic36,48528.8%
Republican28,48522.5%
Unaffiliated58,25746.0%
Other parties3,3902.7%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202643,269 (34.2%)0 (0.0%)0 (0.0%)
2023–202485,891 (67.8%)14,279 (11.3%)14,227 (11.2%)
2021–202266,099 (52.2%)13,759 (10.9%)10,562 (8.3%)
2019–202080,538 (63.6%)21,389 (16.9%)13,944 (11.0%)
2017–201859,326 (46.9%)12,931 (10.2%)7,580 (6.0%)
2015–201666,305 (52.4%)10,742 (8.5%)6,067 (4.8%)
2013–201448,364 (38.2%)7,850 (6.2%)6,648 (5.3%)
2011–201257,030 (45.0%)10,408 (8.2%)4,393 (3.5%)

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
169,356
Median Age
40.4
Median Household Income
$64,010 (± $2,208)
High School Graduate or Higher (age 25+)
90.8%
Bachelor's Degree or Higher (age 25+)
25.6%

Population by Age

GroupPeopleShare
Under 1836,90421.8%
18 to 6499,04558.5%
65 and over33,40719.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)71,36742.1%
White, not Hispanic86,30351.0%
Black, not Hispanic3,1381.9%
Asian, not Hispanic1,3440.8%
American Indian / Alaska Native, not Hispanic7450.4%
Native Hawaiian / Pacific Islander, not Hispanic770.0%
Some other race, not Hispanic9120.5%
Two or more races, not Hispanic5,4703.2%

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
165,041
Citizen Voting Age Population (CVAP)
128,424

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic96,86858.7%
Hispanic68,17541.3%
White88,00153.3%
Black2,9881.8%
Asian1,0010.6%
American Indian / Alaska Native7470.5%
Native Hawaiian / Pacific Islander780.0%
Two or More Races5040.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic79,89562.2%
Hispanic48,53137.8%
White73,38857.1%
Black3,0512.4%
Asian1,2631.0%
American Indian / Alaska Native2,0071.6%
Native Hawaiian / Pacific Islander760.1%
Two or More Races1960.2%

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