Colorado State Senate District 2

State Legislative District Profile (Upper Chamber)

Overview

District ID
co-sd-002
State
Colorado
Chamber
Upper chamber (state senate)
District Code
002
Land Area
116.7 sq mi
Water Area
0.16 sq mi

Boundary

Boundary of Colorado State Senate District 2

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Douglas County116.57 sq mi99.9%13.9%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Castle Rock town34.29 sq mi29.4%98.7%
Parker town22.33 sq mi19.1%99.5%
The Pinery CDP10.32 sq mi8.8%99.5%
Stonegate CDP1.83 sq mi1.6%100.0%
Grand View Estates CDP1.00 sq mi0.9%100.0%

Showing all 5 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 4166,76099.8%23.1%98.8%
CO District 63120.2%<0.1%1.2%

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

Voters

Registered Voters
145,925
Active Voters
131,171 (89.9%)

Party Registration

PartyVotersShare
Democratic22,20815.2%
Republican46,05331.6%
Unaffiliated74,56951.1%
Other parties3,0952.1%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202655,477 (38.0%)0 (0.0%)0 (0.0%)
2023–2024112,834 (77.3%)9,692 (6.6%)23,986 (16.4%)
2021–202286,350 (59.2%)6,492 (4.4%)16,582 (11.4%)
2019–202099,339 (68.1%)13,586 (9.3%)22,246 (15.2%)
2017–201872,688 (49.8%)6,926 (4.7%)12,100 (8.3%)
2015–201675,388 (51.7%)3,443 (2.4%)9,668 (6.6%)
2013–201452,721 (36.1%)2,713 (1.9%)9,945 (6.8%)
2011–201259,769 (41.0%)2,038 (1.4%)6,093 (4.2%)

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
178,799 (± 2,503)
Median Age
37.3
Median Household Income
$144,693 (± $4,804)
High School Graduate or Higher (age 25+)
96.9%
Bachelor's Degree or Higher (age 25+)
57.0%

Population by Age

GroupPeopleShare
Under 1845,09225.2%
18 to 64112,52462.9%
65 and over21,18311.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)20,29311.3%
White, not Hispanic136,01376.1%
Black, not Hispanic2,3181.3%
Asian, not Hispanic8,5694.8%
American Indian / Alaska Native, not Hispanic2390.1%
Native Hawaiian / Pacific Islander, not Hispanic1170.1%
Some other race, not Hispanic9500.5%
Two or more races, not Hispanic10,3005.8%

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
172,754
Citizen Voting Age Population (CVAP)
128,503

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic154,12589.2%
Hispanic18,63010.8%
White138,04679.9%
Black2,2141.3%
Asian6,3423.7%
American Indian / Alaska Native2380.1%
Native Hawaiian / Pacific Islander1160.1%
Two or More Races1,1310.7%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic115,37589.8%
Hispanic13,12910.2%
White104,81581.6%
Black2,9312.3%
Asian5,5554.3%
American Indian / Alaska Native1,0100.8%
Native Hawaiian / Pacific Islander870.1%
Two or More Races9930.8%

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