100 Smallest ZIP Codes in the United States by Population in Lawrence 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 Lawrence County, Ohio.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 45688 | WATERLOO | OH | 166 |
| 2 | 45696 | WILLOW WOOD | OH | 538 |
| 3 | 45678 | SCOTTOWN | OH | 1,128 |
| 4 | 45645 | KITTS HILL | OH | 2,760 |
| 5 | 45659 | PEDRO | OH | 3,166 |
| 6 | 45619 | CHESAPEAKE | OH | 7,509 |
| 7 | 45669 | PROCTORVILLE | OH | 10,237 |
| 8 | 45680 | SOUTH POINT | OH | 11,968 |
| 9 | 45638 | IRONTON | OH | 20,594 |