County record · fips 39165 · Ohio
WarrenOH
Republican ×15 since 1968all 40 elections, 1868–2024
The Long Record
40 elections against the Ohio and national vote
2024 result
R+31.8
won by Republicans
Record since first cycle
1–39
Dem–Rep two-party wins
Voted with the winner
24/40
60% of its elections
Closest election
1936
R+1.0
this countyOhionational (official)dot colour = two-party winner · hollow = tie or unknown total · click a dot to open that election
The Biggest Swings
Cycle-over-cycle change in the two-party margin, in points
| Election | Swing | Toward |
|---|---|---|
| 1932 | +41.6 pts | Democrats |
| 1976 | +39.5 pts | Democrats |
| 1968 | -36.5 pts | Republicans |
| 1964 | +35.3 pts | Democrats |
| 1980 | -23.6 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
250,008
College (BA+)
46%
Median income
$110,132
2024 dollars
Non-white
18%
Rural
18%
Age 65+
16%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Butler, OH · Clermont, OH · Clinton, OH · Greene, OH · Hamilton, OH · Montgomery, OH