Federal · KS-4
U.S. House — Kansas 4th District
Incumbent Rep. Ron Estes (R) faces a Republican primary challenger, while four Democrats compete for their party's nomination. Libertarian Drew Cranmer will appear on the November ballot. The district covers Sedgwick County (Wichita) and much of south-central and southwest Kansas.
About this race
The U.S. Representative for Kansas's 4th Congressional District represents Sedgwick County (Wichita) and much of south-central and southwest Kansas in the U.S. House of Representatives. The seat has been held by Republicans since 1994.
ℹ️ Non-partisan note: All candidates below are listed alphabetically within each primary. Positions are drawn from campaign materials, news reporting, and voter guide responses. We do not endorse any candidate.
Ron Estes
Incumbent U.S. Representative · Wichita, KS
RepublicanIncumbent
BackgroundCivil engineer; Sedgwick County Treasurer (2004–2010); Kansas State Treasurer (2011–2017); U.S. Representative since April 2017. Serves on House Agriculture and Ways and Means committees.
AgricultureSupports strong federal farm safety net; voted for the 2025 farm bill; serves on House Agriculture Committee.
Defense / McConnell AFBHas advocated for McConnell Air Force Base and the Kansas National Guard's 184th Wing, including meeting with Defense Secretary Pete Hegseth.
Health careSupports repeal of the Affordable Care Act; has stated "Obamacare has failed our nation."
ImmigrationSays "securing the border must be our first priority"; has voted for legislation restricting immigration.
FM
Frank McCollum
Farmer · Fall River, KS
Republican
BackgroundFarmer from Greenwood County; has completed a Ballotpedia Candidate Connection survey.
PlatformDetailed policy platform not fully retrievable from public sources as of late July 2026. See Ballotpedia for survey responses.
CC
Chris Carmichael
Retired Air Force Colonel · Andover, KS
Democrat
Background31-year U.S. Air Force veteran; degrees from Florida State, University of Oklahoma, and Air Force Institute of Technology; post-military consulting and executive work.
Health careSupports affordable health care; emphasizes veteran support.
VeteransStrong emphasis on veteran support and services.
CE
Cole Epley
U.S. Army Reserve sergeant · Bel Aire, KS
Democrat
BackgroundAge 28; born in Wichita, grew up in Rose Hill; music education degree from KU; foster-care social worker; U.S. Army Reserve sergeant.
Health careSupports universal health care.
Labor / economySupports raising the minimum wage; self-described "proud progressive."
ImmigrationSupports abolishing ICE.
RG
Ryan Gilbert
Family-law business manager · Goddard, KS
Democrat
BackgroundAge 36; family-law business manager; abuse survivor; no prior elected offices.
PlatformLimited public detail available; has completed a Ballotpedia Candidate Connection survey.
KT
Katy Tyndell
Oil and gas attorney · Wichita, KS
Democrat
BackgroundOil and gas attorney in Wichita; co-founder of Leading Kansas, a nonpartisan civic engagement group; switched from independent to Democrat in early 2026; announced candidacy March 5, 2026.
Approach"Leadership rooted in integrity, accountability and the courage to put people over party."
ImmigrationSupports immigration reform with "acceptable pathways to citizenship"; has criticized current enforcement tactics.
DC
Drew Cranmer
Data engineer · Wichita, KS
Libertarian
BackgroundData engineer and small business founder; no prior elected offices.
Military/defenseOpposes all undeclared wars; supports restoring Article I war powers to Congress.
FiscalSupports full audit of the Federal Reserve and across-the-board spending reductions until the budget is balanced.
FederalismTenth Amendment absolutist; supports returning education, health care, land use, and law enforcement to states/localities.