Ohio's 8th Congressional District (OH-8)
Last updated · 6 sources
Warren Davidson, a Republican, has represented the district since 2016.
The district includes all of Darke, Butler, and Preble counties and parts of Hamilton and Miami counties.
According to the Census Bureau's 2020–2024 American Community Survey 5-year estimates, the district has a population of 788,819, a median household income of $78,441, and a median age of 38.7. Of residents 25 and older, 30.7% hold a bachelor's degree or higher.
Representative

2026 redistricting
Ohio uses a new congressional map in 2026: Ohio Redistricting Commission plan, adopted by the state's redistricting commission Oct 31, 2025.
The 2026 election for OH-8 uses the new map's OH-8; the map on this page shows the district as currently drawn (119th Congress).
2026 election
Davidson has filed with the FEC to run for this seat in 2026. 2 candidates for the seat have reported receipts to the FEC.
2 candidates have reported raising money for the 2026 OH-8 race to the FEC.
Election Day: Tuesday, November 3, 2026
| Candidate | Party | Raised | Cash on hand | Through |
|---|---|---|---|---|
| Warren Davidson (incumbent) | Republican | $661,353 | $529,910 | Jun 30 |
| Madaris Grant | Democratic | $31,496 | $420 | Aug 3 |
Includes primary candidates; FEC filings do not record primary results. FEC race page
District profile
- Population
- 788,819
- Median household income
- $78,441
- Median age
- 38.7
- Bachelor's degree or higher
- 30.7%
Census Bureau, 2020–2024 American Community Survey 5-year estimates
Ohio senators
Jon HustedU.S. Senator for Ohio · Republican
Bernie MorenoU.S. Senator for Ohio · 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
- 2026 congressional map
- Candidates and totals (Federal Election Commission) · retrieved Oct 2, 2026