100 Smallest ZIP Codes in the United States by Population in Clinton 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 Clinton County, Ohio.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 45166 | REESVILLE | OH | 50 |
| 2 | 45164 | PORT WILLIAM | OH | 294 |
| 3 | 45146 | MARTINSVILLE | OH | 1,063 |
| 4 | 45148 | MIDLAND | OH | 1,822 |
| 5 | 45159 | NEW VIENNA | OH | 3,454 |
| 6 | 45113 | CLARKSVILLE | OH | 3,826 |
| 7 | 45169 | SABINA | OH | 4,436 |
| 8 | 45107 | BLANCHESTER | OH | 9,741 |
| 9 | 45177 | WILMINGTON | OH | 22,683 |