Kansas's 4th Congressional District (KS-4)
Last updated · 5 sources
Ron Estes, a Republican, has represented the district since 2017.
The district includes all or part of 17 counties (1 in part).
According to the Census Bureau's 2020–2024 American Community Survey 5-year estimates, the district has a population of 738,195, a median household income of $69,200, and a median age of 37.2. Of residents 25 and older, 30.9% hold a bachelor's degree or higher.
Representative

2026 election
Estes has filed with the FEC to run for this seat in 2026. 4 candidates for the seat have reported receipts to the FEC.
4 candidates have reported raising money for the 2026 KS-4 race to the FEC.
Election Day: Tuesday, November 3, 2026
| Candidate | Party | Raised | Cash on hand | Through |
|---|---|---|---|---|
| Ron Estes (incumbent) | Republican | $1,855,035 | $1,757,677 | Jul 15 |
| Katy Tyndell | Democratic | $234,455 | $72,896 | Jul 15 |
| Chris Carmichael | Democratic | $97,578 | $3,518 | Jul 15 |
| Paul Vincent Catanese | Independent | $6,040 | $4,985 | Jun 30 |
Includes primary candidates; FEC filings do not record primary results. FEC race page
District profile
- Population
- 738,195
- Median household income
- $69,200
- Median age
- 37.2
- Bachelor's degree or higher
- 30.9%
Census Bureau, 2020–2024 American Community Survey 5-year estimates
Kansas senators
Jerry MoranU.S. Senator for Kansas · Republican
Roger MarshallU.S. Senator for Kansas · Republican
Neighboring districts
Sources
- District boundaries (Census Bureau cartographic boundary file, 119th Congress) · retrieved Oct 2, 2026
- Counties by district (Census Bureau relationship file) · retrieved Oct 2, 2026
- District profile (Census Bureau, 2020–2024 American Community Survey 5-year estimates) · retrieved Oct 2, 2026
- congress-legislators (member data, CC0) · retrieved Oct 2, 2026
- Candidates and totals (Federal Election Commission) · retrieved Oct 2, 2026