100 Smallest ZIP Codes in the United States by Population in Oldham County, Kentucky
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 Oldham County, Kentucky.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 40010 | BUCKNER | KY | 521 |
| 2 | 40077 | WESTPORT | KY | 547 |
| 3 | 40056 | PEWEE VALLEY | KY | 3,406 |
| 4 | 40026 | GOSHEN | KY | 6,345 |
| 5 | 40014 | CRESTWOOD | KY | 23,009 |
| 6 | 40031 | LA GRANGE | KY | 25,091 |