Colorado State Senate District 16

State Legislative District Profile (Upper Chamber)

Overview

District ID
co-sd-016
State
Colorado
Chamber
Upper chamber (state senate)
District Code
016
Land Area
45.5 sq mi
Water Area
2.05 sq mi

Boundary

Boundary of Colorado State Senate District 16

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Arapahoe County26.73 sq mi58.7%3.4%
Jefferson County18.79 sq mi41.3%2.5%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Centennial city12.56 sq mi27.6%41.7%
Littleton city12.41 sq mi27.3%98.4%
Ken Caryl CDP9.83 sq mi21.6%100.0%
Columbine CDP6.63 sq mi14.6%99.9%
Columbine Valley town0.98 sq mi2.2%99.7%
Bow Mar town0.66 sq mi1.5%100.0%

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 6164,12198.8%22.7%98.6%
CO District 71,9791.2%0.3%1.4%

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

Voters

Registered Voters
134,668
Active Voters
124,507 (92.5%)

Party Registration

PartyVotersShare
Democratic31,42623.3%
Republican33,76925.1%
Unaffiliated66,84549.6%
Other parties2,6282.0%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202664,496 (47.9%)0 (0.0%)0 (0.0%)
2023–2024108,715 (80.7%)14,716 (10.9%)18,604 (13.8%)
2021–202289,675 (66.6%)11,643 (8.6%)14,354 (10.7%)
2019–2020101,158 (75.1%)22,081 (16.4%)19,847 (14.7%)
2017–201880,941 (60.1%)13,476 (10.0%)13,496 (10.0%)
2015–201683,087 (61.7%)6,885 (5.1%)10,847 (8.1%)
2013–201464,276 (47.7%)5,418 (4.0%)11,658 (8.7%)
2011–201271,250 (52.9%)4,120 (3.1%)8,240 (6.1%)

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
164,271 (± 2,338)
Median Age
42.2
Median Household Income
$121,076 (± $3,075)
High School Graduate or Higher (age 25+)
97.0%
Bachelor's Degree or Higher (age 25+)
58.6%

Population by Age

GroupPeopleShare
Under 1833,89320.6%
18 to 6496,52958.8%
65 and over33,84920.6%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)18,79811.4%
White, not Hispanic130,71579.6%
Black, not Hispanic1,8921.2%
Asian, not Hispanic4,2822.6%
American Indian / Alaska Native, not Hispanic2070.1%
Native Hawaiian / Pacific Islander, not Hispanic1000.1%
Some other race, not Hispanic7280.4%
Two or more races, not Hispanic7,5494.6%

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
160,375
Citizen Voting Age Population (CVAP)
126,906

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic143,69089.6%
Hispanic16,68210.4%
White132,63282.7%
Black1,8731.2%
Asian3,6992.3%
American Indian / Alaska Native2030.1%
Native Hawaiian / Pacific Islander890.1%
Two or More Races3630.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic115,63591.1%
Hispanic11,2678.9%
White107,96485.1%
Black1,9361.5%
Asian4,3683.4%
American Indian / Alaska Native1,1560.9%
Native Hawaiian / Pacific Islander920.1%
Two or More Races1790.1%

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