100 Smallest ZIP Codes in the United States by Population in Clark 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 Clark County, Ohio.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 45349 | NORTH HAMPTON | OH | 253 |
| 2 | 43010 | CATAWBA | OH | 255 |
| 3 | 45372 | TREMONT CITY | OH | 314 |
| 4 | 45319 | DONNELSVILLE | OH | 372 |
| 5 | 45341 | MEDWAY | OH | 3,967 |
| 6 | 45368 | SOUTH CHARLESTON | OH | 4,125 |
| 7 | 45369 | SOUTH VIENNA | OH | 4,141 |
| 8 | 45323 | ENON | OH | 5,170 |
| 9 | 45506 | SPRINGFIELD | OH | 13,145 |
| 10 | 45504 | SPRINGFIELD | OH | 16,069 |
| 11 | 45344 | NEW CARLISLE | OH | 16,747 |
| 12 | 45502 | SPRINGFIELD | OH | 17,715 |
| 13 | 45505 | SPRINGFIELD | OH | 20,485 |
| 14 | 45503 | SPRINGFIELD | OH | 32,714 |