Highland County, Ohio ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
42,566
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 45133 | Hillsboro | 23,443 |
| 2 | 45123 | Greenfield | 8,740 |
| 3 | 45135 | Leesburg | 5,291 |
| 4 | 45142 | Lynchburg | 4,187 |
| 5 | 45155 | Mowrystown | 510 |
| 6 | 45172 | Sinking Spring | 308 |
| 7 | 45132 | Highland | 87 |
Cities in Highland County
ZIP Directory
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.