Kansas State Senate District 3

State Legislative District Profile (Upper Chamber)

Overview

District ID
ks-sd-003
State
Kansas
Chamber
Upper chamber (state senate)
District Code
003
Land Area
1,293 sq mi
Water Area
31.7 sq mi

Boundary

Boundary of Kansas State Senate District 3

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Osage County705.51 sq mi54.6%100.0%
Franklin County262.66 sq mi20.3%45.9%
Douglas County235.99 sq mi18.3%51.8%
Shawnee County88.87 sq mi6.9%16.3%

Showing all 4 counties

Places

PlaceOverlapShare of district landShare of place land
Ottawa city10.32 sq mi0.8%100.0%
Lawrence city7.90 sq mi0.6%22.8%
Vassar CDP4.86 sq mi0.4%100.0%
Topeka city3.19 sq mi0.2%5.1%
Osage City city3.15 sq mi0.2%100.0%
Wellsville city1.71 sq mi0.1%99.7%
Scranton city1.08 sq mi0.1%100.0%
Pomona city0.94 sq mi0.1%100.0%
Lyndon city0.89 sq mi0.1%100.0%
Burlingame city0.88 sq mi0.1%100.0%
Carbondale city0.73 sq mi0.1%100.0%
Overbrook city0.54 sq mi<0.1%100.0%
Quenemo city0.44 sq mi<0.1%100.0%
Melvern city0.36 sq mi<0.1%100.0%
Centropolis CDP0.33 sq mi<0.1%99.9%
Olivet city0.25 sq mi<0.1%100.0%

Showing all 16 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 238,13253.7%5.2%79.3%
KS District 320,74929.2%2.8%20.3%
KS District 112,06817.0%1.6%0.4%

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

Voters

Registered Voters
55,124
Active Voters
50,634 (91.9%)

Party Registration

PartyVotersShare
Democratic13,71724.9%
Republican25,18345.7%
Unaffiliated15,43528.0%
Other parties7891.4%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202435,154 (63.8%)0 (0.0%)0 (0.0%)
2021–202231,040 (56.3%)0 (0.0%)0 (0.0%)
2019–202037,033 (67.2%)0 (0.0%)0 (0.0%)
2017–201828,727 (52.1%)0 (0.0%)0 (0.0%)
2015–201630,137 (54.7%)0 (0.0%)0 (0.0%)
2013–201421,798 (39.5%)0 (0.0%)0 (0.0%)
2011–201224,053 (43.6%)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
74,030 (± 1,765)
Median Age
41.9
Median Household Income
$89,879 (± $4,963)
High School Graduate or Higher (age 25+)
95.2%
Bachelor's Degree or Higher (age 25+)
36.1%

Population by Age

GroupPeopleShare
Under 1816,93122.9%
18 to 6442,10056.9%
65 and over14,99920.3%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)4,4236.0%
White, not Hispanic63,09985.2%
Black, not Hispanic1,8452.5%
Asian, not Hispanic9341.3%
American Indian / Alaska Native, not Hispanic2540.3%
Native Hawaiian / Pacific Islander, not Hispanic330.0%
Some other race, not Hispanic2670.4%
Two or more races, not Hispanic3,1754.3%

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
73,075
Citizen Voting Age Population (CVAP)
56,197

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic68,92694.3%
Hispanic4,1475.7%
White63,59387.0%
Black1,7262.4%
Asian7041.0%
American Indian / Alaska Native2700.4%
Native Hawaiian / Pacific Islander340.0%
Two or More Races4670.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic53,45895.1%
Hispanic2,7434.9%
White49,84488.7%
Black1,7823.2%
Asian5941.1%
American Indian / Alaska Native1,0481.9%
Native Hawaiian / Pacific Islander130.0%
Two or More Races2120.4%

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