100 Smallest ZIP Codes in the United States by Population in Jackson 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 Jackson County, Ohio.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 45621 | COALTON | OH | 343 |
| 2 | 45672 | RAY | OH | 1,473 |
| 3 | 45656 | OAK HILL | OH | 6,442 |
| 4 | 45692 | WELLSTON | OH | 8,164 |
| 5 | 45640 | JACKSON | OH | 16,217 |