Kansas Congressional District 04

Voters

Registered Voters: 487,887
Active Voters: 465,871 (95.5%)

Party Registration

Party	Voters	Share
Democratic	107,657	22.1%
Republican	220,527	45.2%
Unaffiliated	151,555	31.1%
Other parties	8,148	1.7%
No party recorded	0	0.0%

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2025–2026	<10 (—)	0 (0.0%)	0 (0.0%)
2023–2024	317,797 (65.1%)	0 (0.0%)	0 (0.0%)
2021–2022	227,298 (46.6%)	0 (0.0%)	0 (0.0%)
2019–2020	304,345 (62.4%)	0 (0.0%)	0 (0.0%)
2017–2018	216,089 (44.3%)	0 (0.0%)	0 (0.0%)
2015–2016	238,067 (48.8%)	0 (0.0%)	0 (0.0%)
2013–2014	167,109 (34.3%)	0 (0.0%)	0 (0.0%)
2011–2012	184,174 (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 Citizen Population: 709,676
Citizen Voting Age Population (CVAP): 529,949

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	623,788	87.9%
Hispanic	85,887	12.1%
White	524,155	73.9%
Black	42,759	6.0%
Asian	19,453	2.7%
American Indian / Alaska Native	3,614	0.5%
Native Hawaiian / Pacific Islander	267	0.0%
Two or More Races	4,134	0.6%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	480,814	90.7%
Hispanic	49,130	9.3%
White	412,569	77.9%
Black	38,069	7.2%
Asian	17,797	3.4%
American Indian / Alaska Native	10,876	2.1%
Native Hawaiian / Pacific Islander	158	0.0%
Two or More Races	2,250	0.4%

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