Colorado State Senate District 5

State Legislative District Profile (Upper Chamber)

Overview

District ID
co-sd-005
State
Colorado
Chamber
Upper chamber (state senate)
District Code
005
Land Area
7,735.2 sq mi
Water Area
39.6 sq mi

Boundary

Boundary of Colorado State Senate District 5

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Gunnison County3239.14 sq mi41.9%100.0%
Hinsdale County1117.23 sq mi14.4%100.0%
Pitkin County970.70 sq mi12.5%100.0%
Delta County946.58 sq mi12.2%82.9%
Garfield County644.17 sq mi8.3%21.9%
Montrose County621.30 sq mi8.0%27.7%
Eagle County196.43 sq mi2.5%11.7%

Showing all 7 counties

Places

PlaceOverlapShare of district landShare of place land
Snowmass Village town27.78 sq mi0.4%100.0%
Cathedral CDP21.28 sq mi0.3%100.0%
Montrose city18.48 sq mi0.2%97.8%
Delta city13.27 sq mi0.2%100.0%
Piedra CDP11.62 sq mi0.2%100.0%
Orchard City town11.52 sq mi0.1%100.0%
Battlement Mesa CDP11.46 sq mi0.1%100.0%
Rifle city7.03 sq mi0.1%100.0%
Glenwood Springs city5.84 sq mi0.1%100.0%
El Jebel CDP5.30 sq mi0.1%100.0%
Gunnison city4.85 sq mi0.1%100.0%
Aspen city3.86 sq mi<0.1%99.9%
New Castle town2.52 sq mi<0.1%100.0%
Mount Crested Butte town2.07 sq mi<0.1%100.0%
Carbondale town2.02 sq mi<0.1%97.4%
Basalt town1.99 sq mi<0.1%98.4%
Parachute town1.81 sq mi<0.1%79.0%
Silt town1.66 sq mi<0.1%98.4%
Lazear CDP1.60 sq mi<0.1%100.0%
Olathe town1.50 sq mi<0.1%99.6%
Cattle Creek CDP1.30 sq mi<0.1%100.0%
Hotchkiss town0.93 sq mi<0.1%99.9%
Catherine CDP0.86 sq mi<0.1%100.0%
Crested Butte town0.84 sq mi<0.1%96.5%
Lake City town0.83 sq mi<0.1%100.0%

Showing top 25 of 35 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 3163,326100.0%22.6%100.0%

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

Voters

Registered Voters
126,141
Active Voters
114,060 (90.4%)

Party Registration

PartyVotersShare
Democratic24,25619.2%
Republican33,63826.7%
Unaffiliated65,28651.8%
Other parties2,9612.3%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202653,204 (42.2%)0 (0.0%)0 (0.0%)
2023–202493,194 (73.9%)10,193 (8.1%)18,478 (14.6%)
2021–202275,124 (59.6%)9,810 (7.8%)15,047 (11.9%)
2019–202085,589 (67.9%)16,707 (13.2%)18,134 (14.4%)
2017–201865,363 (51.8%)9,444 (7.5%)10,864 (8.6%)
2015–201668,044 (53.9%)5,063 (4.0%)8,757 (6.9%)
2013–201450,361 (39.9%)3,992 (3.2%)8,657 (6.9%)
2011–201256,345 (44.7%)3,247 (2.6%)7,255 (5.8%)

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
164,346 (± 1,461)
Median Age
41.8
Median Household Income
$81,931 (± $2,577)
High School Graduate or Higher (age 25+)
92.2%
Bachelor's Degree or Higher (age 25+)
39.2%

Population by Age

GroupPeopleShare
Under 1833,06820.1%
18 to 6497,55659.4%
65 and over33,72220.5%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)36,51522.2%
White, not Hispanic118,17471.9%
Black, not Hispanic8190.5%
Asian, not Hispanic1,3340.8%
American Indian / Alaska Native, not Hispanic5090.3%
Native Hawaiian / Pacific Islander, not Hispanic1060.1%
Some other race, not Hispanic9000.5%
Two or more races, not Hispanic5,9893.6%

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
156,243
Citizen Voting Age Population (CVAP)
123,485

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic126,46780.9%
Hispanic29,77719.1%
White120,57177.2%
Black8040.5%
Asian1,1240.7%
American Indian / Alaska Native5070.3%
Native Hawaiian / Pacific Islander1020.1%
Two or More Races4960.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic105,22085.2%
Hispanic18,26214.8%
White100,64781.5%
Black1,1170.9%
Asian1,4541.2%
American Indian / Alaska Native1,6731.4%
Native Hawaiian / Pacific Islander890.1%
Two or More Races2580.2%

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