Kansas State Senate District 23

State Legislative District Profile (Upper Chamber)

Overview

District ID
ks-sd-023
State
Kansas
Chamber
Upper chamber (state senate)
District Code
023
Land Area
61.6 sq mi
Water Area
0.57 sq mi

Boundary

Boundary of Kansas State Senate District 23

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Johnson County54.38 sq mi88.2%11.5%
Miami County7.26 sq mi11.8%1.3%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Olathe city21.20 sq mi34.4%32.9%
Spring Hill city8.84 sq mi14.3%88.8%
Gardner city0.02 sq mi<0.1%0.1%

Showing all 3 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
KS District 372,806100.0%9.9%100.0%

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

Voters

Registered Voters
50,013
Active Voters
47,353 (94.7%)

Party Registration

PartyVotersShare
Democratic14,28028.6%
Republican20,66341.3%
Unaffiliated14,19028.4%
Other parties8801.8%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202436,389 (72.8%)0 (0.0%)0 (0.0%)
2021–202225,262 (50.5%)0 (0.0%)0 (0.0%)
2019–202033,238 (66.5%)0 (0.0%)0 (0.0%)
2017–201823,432 (46.9%)0 (0.0%)0 (0.0%)
2015–201624,963 (49.9%)0 (0.0%)0 (0.0%)
2013–201414,205 (28.4%)0 (0.0%)0 (0.0%)
2011–201218,841 (37.7%)0 (0.0%)0 (0.0%)

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 11/03/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
73,836 (± 2,356)
Median Age
36.5
Median Household Income
$101,628 (± $4,007)
High School Graduate or Higher (age 25+)
94.1%
Bachelor's Degree or Higher (age 25+)
45.1%

Population by Age

GroupPeopleShare
Under 1818,25524.7%
18 to 6445,06361.0%
65 and over10,51814.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)10,79014.6%
White, not Hispanic52,45871.0%
Black, not Hispanic3,4374.7%
Asian, not Hispanic3,1724.3%
American Indian / Alaska Native, not Hispanic940.1%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic7201.0%
Two or more races, not Hispanic3,1654.3%

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
68,977
Citizen Voting Age Population (CVAP)
51,223

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic61,17388.7%
Hispanic7,80511.3%
White52,99676.8%
Black3,0634.4%
Asian2,5683.7%
American Indian / Alaska Native980.1%
Native Hawaiian / Pacific Islander10.0%
Two or More Races2570.4%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic47,15592.1%
Hispanic4,0738.0%
White41,49881.0%
Black2,6445.2%
Asian2,3434.6%
American Indian / Alaska Native5261.0%
Native Hawaiian / Pacific Islander20.0%
Two or More Races1680.3%

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