📍 View location on OpenStreetMap (39.350230, -84.309960)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 45040 |
| Primary City | Mason |
| State / Province | OH |
| County | Warren |
| Total Population | 59,518 |
| Population Density | 807.7 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 45040 | Warren County records | OH records |
|---|---|---|---|
| Population estimate | 59,518 | 230,451 (sum) | 11,810,293 (sum) |
| Population Density | 807.7 /sq mi | -- | -- |
| County population rank | #1 of 12 | -- | -- |
| State population rank | #12 of 1,215 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 45034 | Kings Mills | 3.4 mi | 968 |
| ZIP 45039 | Maineville | 4.3 mi | 28,335 |
| ZIP 45249 | Cincinnati | 5.2 mi | 14,490 |
| ZIP 45065 | South Lebanon | 5.3 mi | 7,053 |
| ZIP 45069 | West Chester | 5.4 mi | 56,037 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →