County record · fips 39061 · Ohio
HamiltonOH
Democratic ×5 since 2008all 40 elections, 1868–2024
The Long Record
40 elections against the Ohio and national vote
2024 result
D+15.0
won by Democrats
Record since first cycle
11–29
Dem–Rep two-party wins
Voted with the winner
26/40
65% of its elections
Closest election
1912
D+0.9
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 |
|---|---|---|
| 1928 | +39.2 pts | Democrats |
| 1924 | -35.3 pts | Republicans |
| 1904 | -28.7 pts | Republicans |
| 1908 | +27.8 pts | Democrats |
| 1968 | -25.8 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
830,774
College (BA+)
42%
Median income
$72,470
2024 dollars
Non-white
38%
Rural
2%
Age 65+
17%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Dearborn, IN · Boone, KY · Campbell, KY · Kenton, KY · Butler, OH · Clermont, OH · Warren, OH