100 Smallest ZIP Codes in the United States by Population in McClain County, Oklahoma
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 McClain County, Oklahoma.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 73031 | DIBBLE | OK | 42 |
| 2 | 74831 | BYARS | OK | 666 |
| 3 | 73095 | WAYNE | OK | 2,061 |
| 4 | 73093 | WASHINGTON | OK | 3,706 |
| 5 | 73065 | NEWCASTLE | OK | 9,877 |
| 6 | 73080 | PURCELL | OK | 10,037 |
| 7 | 73010 | BLANCHARD | OK | 20,314 |