Warren County OH United States
| County FIPS | 39165 |
| Largest City | Middletown |
| State | Ohio |
| Latitude | 39.4277 |
| Longitude | -84.1668 |
| Population | 250,008 |
| Density | 622.98 people per square mile |
| Time Zone | America/New York |
Median household: $110,132
Median individual: $50,803
Mode: 82.7% White
Median house value: $348,219.0
Median: 40.1 years old
With at least college degree: 45.6%
With STEM degree: 48.1%
Never married: 26.4%
Unemployed: 3.1%
All data comes from the SimpleMaps US Counties Database, 2026.
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