Kansas State Senate District 1

State Legislative District Profile (Upper Chamber)

Overview

District ID
ks-sd-001
State
Kansas
Chamber
Upper chamber (state senate)
District Code
001
Land Area
3,821.1 sq mi
Water Area
19.1 sq mi

Boundary

Boundary of Kansas State Senate District 1

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Nemaha County717.43 sq mi18.8%100.0%
Marshall County686.86 sq mi18.0%76.3%
Jackson County656.22 sq mi17.2%100.0%
Brown County570.87 sq mi14.9%100.0%
Atchison County431.17 sq mi11.3%100.0%
Doniphan County393.48 sq mi10.3%100.0%
Jefferson County184.05 sq mi4.8%34.6%
Leavenworth County181.02 sq mi4.7%39.1%

Showing all 8 counties

Places

PlaceOverlapShare of district landShare of place land
Atchison city8.01 sq mi0.2%100.0%
Home CDP3.96 sq mi0.1%100.0%
Sabetha city3.31 sq mi0.1%99.5%
Elwood city2.91 sq mi0.1%100.0%
Holton city2.68 sq mi0.1%100.0%
Hiawatha city2.56 sq mi0.1%98.0%
Wathena city2.34 sq mi0.1%100.0%
Blue Rapids city1.98 sq mi0.1%100.0%
Kickapoo Tribal Center CDP1.93 sq mi0.1%100.0%
Seneca city1.79 sq mi<0.1%100.0%
Horton city1.77 sq mi<0.1%100.0%
Bendena CDP1.53 sq mi<0.1%100.0%
St. Benedict CDP1.44 sq mi<0.1%100.0%
Baileyville CDP1.21 sq mi<0.1%100.0%
Frankfort city1.01 sq mi<0.1%100.0%
Whiting city1.01 sq mi<0.1%100.0%
Troy city0.97 sq mi<0.1%100.0%
Netawaka city0.97 sq mi<0.1%100.0%
Kickapoo Site 2 CDP0.85 sq mi<0.1%100.0%
Kickapoo Site 5 CDP0.75 sq mi<0.1%100.0%
White Cloud city0.72 sq mi<0.1%100.0%
Valley Falls city0.70 sq mi<0.1%99.9%
Effingham city0.62 sq mi<0.1%100.0%
Highland city0.53 sq mi<0.1%98.4%
Axtell city0.52 sq mi<0.1%100.0%

Showing top 25 of 62 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 250,03969.8%6.8%62.2%
KS District 121,70030.2%3.0%37.8%

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

Voters

Registered Voters
50,918
Active Voters
47,486 (93.3%)

Party Registration

PartyVotersShare
Democratic8,09815.9%
Republican28,61956.2%
Unaffiliated13,68926.9%
Other parties5121.0%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202436,081 (70.9%)0 (0.0%)0 (0.0%)
2021–202227,684 (54.4%)0 (0.0%)0 (0.0%)
2019–202033,875 (66.5%)0 (0.0%)0 (0.0%)
2017–201824,824 (48.8%)0 (0.0%)0 (0.0%)
2015–201627,671 (54.3%)0 (0.0%)0 (0.0%)
2013–201420,186 (39.6%)0 (0.0%)0 (0.0%)
2011–201223,190 (45.5%)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
72,047 (± 540)
Median Age
41.3
Median Household Income
$70,859 (± $1,947)
High School Graduate or Higher (age 25+)
93.6%
Bachelor's Degree or Higher (age 25+)
23.7%

Population by Age

GroupPeopleShare
Under 1816,93723.5%
18 to 6440,11455.7%
65 and over14,99620.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,6123.6%
White, not Hispanic63,15887.7%
Black, not Hispanic1,2621.8%
Asian, not Hispanic2170.3%
American Indian / Alaska Native, not Hispanic1,3791.9%
Native Hawaiian / Pacific Islander, not Hispanic190.0%
Some other race, not Hispanic2750.4%
Two or more races, not Hispanic3,1254.3%

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
71,272
Citizen Voting Age Population (CVAP)
54,430

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic69,17297.1%
Hispanic2,1012.9%
White63,82789.6%
Black1,3071.8%
Asian1380.2%
American Indian / Alaska Native1,3922.0%
Native Hawaiian / Pacific Islander190.0%
Two or More Races2170.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic53,30297.9%
Hispanic1,1282.1%
White49,68591.3%
Black1,3772.5%
Asian2120.4%
American Indian / Alaska Native1,9553.6%
Native Hawaiian / Pacific Islander150.0%
Two or More Races790.1%

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