Colorado State Senate District 27

State Legislative District Profile (Upper Chamber)

Overview

District ID
co-sd-027
State
Colorado
Chamber
Upper chamber (state senate)
District Code
027
Land Area
172.7 sq mi
Water Area
1.98 sq mi

Boundary

Boundary of Colorado State Senate District 27

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Arapahoe County170.21 sq mi98.6%21.3%
Douglas County2.42 sq mi1.4%0.3%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Aurora city25.24 sq mi14.6%15.4%
Centennial city17.16 sq mi9.9%56.9%
Brick Center CDP5.78 sq mi3.3%100.0%
Dove Valley CDP3.58 sq mi2.1%100.0%
Foxfield town1.32 sq mi0.8%100.0%
Inverness CDP1.12 sq mi0.6%98.8%

Showing all 6 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 6142,44286.1%19.7%33.4%
CO District 422,98713.9%3.2%66.6%

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

Voters

Registered Voters
130,656
Active Voters
118,738 (90.9%)

Party Registration

PartyVotersShare
Democratic32,08124.6%
Republican28,63821.9%
Unaffiliated67,11351.4%
Other parties2,8242.2%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202649,234 (37.7%)0 (0.0%)0 (0.0%)
2023–202496,042 (73.5%)12,051 (9.2%)13,977 (10.7%)
2021–202273,395 (56.2%)9,095 (7.0%)10,358 (7.9%)
2019–202087,866 (67.2%)18,824 (14.4%)14,529 (11.1%)
2017–201864,193 (49.1%)9,760 (7.5%)9,000 (6.9%)
2015–201667,231 (51.5%)5,174 (4.0%)7,081 (5.4%)
2013–201447,484 (36.3%)3,663 (2.8%)7,613 (5.8%)
2011–201254,975 (42.1%)2,810 (2.2%)4,992 (3.8%)

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
168,803 (± 3,117)
Median Age
39.1
Median Household Income
$129,319 (± $3,797)
High School Graduate or Higher (age 25+)
95.3%
Bachelor's Degree or Higher (age 25+)
54.7%

Population by Age

GroupPeopleShare
Under 1840,86124.2%
18 to 64105,83662.7%
65 and over22,10613.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)22,91913.6%
White, not Hispanic105,05762.2%
Black, not Hispanic12,8377.6%
Asian, not Hispanic16,1769.6%
American Indian / Alaska Native, not Hispanic3300.2%
Native Hawaiian / Pacific Islander, not Hispanic2860.2%
Some other race, not Hispanic9050.5%
Two or more races, not Hispanic10,2936.1%

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
160,073
Citizen Voting Age Population (CVAP)
120,322

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic140,16087.6%
Hispanic19,91612.4%
White106,98266.8%
Black12,5077.8%
Asian12,2677.7%
American Indian / Alaska Native3680.2%
Native Hawaiian / Pacific Islander2650.2%
Two or More Races1,3820.9%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic107,26089.1%
Hispanic13,06110.9%
White83,74569.6%
Black11,3619.4%
Asian10,1878.5%
American Indian / Alaska Native1,0320.9%
Native Hawaiian / Pacific Islander1560.1%
Two or More Races1,0090.8%

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