100 Smallest ZIP Codes in the United States by Population in Ross County, Ohio
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Ross County, Ohio.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 43101 | ADELPHI | OH | 365 |
| 2 | 45673 | RICHMOND DALE | OH | 423 |
| 3 | 45681 | SOUTH SALEM | OH | 1,480 |
| 4 | 43115 | CLARKSBURG | OH | 1,943 |
| 5 | 45647 | LONDONDERRY | OH | 2,860 |
| 6 | 45644 | KINGSTON | OH | 4,525 |
| 7 | 45612 | BAINBRIDGE | OH | 4,622 |
| 8 | 45628 | FRANKFORT | OH | 5,434 |
| 9 | 45601 | CHILLICOTHE | OH | 56,300 |