| Name | Warren County |
| State | Ohio |
| FIPS Code | 39165 |
| County Seat | Lebanon |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 253,579 |
| Population Growth Rate(2020-2024) | 4.43% |
| Majority Ethnicity | White 85.99% |
| Public School Majority Ethnicity | White 76% |
| Partisan Voting Index | Republican:+17 |
| Unemployment Rate (May 2026) | 4.0% |
| Sales Tax Rate (2025) | 6.75% |
| Area Code(s) | 283 / 513 / 326 / 937 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 85.99% |
| African American | 3.47% |
| Hispanic | 3.41% |
| Asian | 7.01% |
| Native American | 0.1% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 75.79% |
| African American | 3.14% |
| Hispanic | 4.84% |
| Asian | 11.2% |
| Native American | 0.1% |
| Hawaiin/Pacific Islander | 0.18% |