Kansas Congressional District 01

Voters

Registered Voters: 478,357
Active Voters: 441,388 (92.3%)

Party Registration

Party	Voters	Share
Democratic	97,793	20.4%
Republican	247,266	51.7%
Unaffiliated	125,998	26.3%
Other parties	7,300	1.5%
No party recorded	0	0.0%

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2025–2026	116 (0.0%)	0 (0.0%)	0 (0.0%)
2023–2024	315,226 (65.9%)	0 (0.0%)	0 (0.0%)
2021–2022	239,351 (50.0%)	0 (0.0%)	0 (0.0%)
2019–2020	296,279 (61.9%)	0 (0.0%)	0 (0.0%)
2017–2018	221,250 (46.3%)	0 (0.0%)	0 (0.0%)
2015–2016	238,273 (49.8%)	0 (0.0%)	0 (0.0%)
2013–2014	172,507 (36.1%)	0 (0.0%)	0 (0.0%)
2011–2012	180,043 (37.6%)	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.

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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 Citizen Population: 697,610
Citizen Voting Age Population (CVAP): 535,787

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	602,828	86.4%
Hispanic	94,785	13.6%
White	549,525	78.8%
Black	17,748	2.5%
Asian	8,334	1.2%
American Indian / Alaska Native	3,430	0.5%
Native Hawaiian / Pacific Islander	289	0.0%
Two or More Races	2,330	0.3%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	480,706	89.7%
Hispanic	55,075	10.3%
White	440,863	82.3%
Black	18,378	3.4%
Asian	9,916	1.9%
American Indian / Alaska Native	10,003	1.9%
Native Hawaiian / Pacific Islander	253	0.0%
Two or More Races	1,486	0.3%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.