100 Richest ZIP Codes in the United States in Knox County, Kentucky
Explore the 100 ZIP codes with the highest median household income in the United States using U.S. Census data. This page lists ZIP codes located in Knox County, Kentucky.
| Rank | ZIP Code | City | State | Median Household Income |
|---|---|---|---|---|
| 1 | 40734 | GRAY | KY | $41,071 |
| 2 | 40906 | BARBOURVILLE | KY | $22,221 |
| 3 | 40935 | FLAT LICK | KY | $21,001 |