Knox County, Tennessee ZIP Codes
- ZIP records
23 - Cities represented
6 - Sum of listed ZIP population estimates
504,996
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 37918 | Knoxville | 45,971 |
| 2 | 37920 | Knoxville | 44,995 |
| 3 | 37922 | Knoxville | 40,394 |
| 4 | 37931 | Knoxville | 31,842 |
| 5 | 37919 | Knoxville | 31,754 |
| 6 | 37923 | Knoxville | 30,131 |
| 7 | 37849 | Powell | 29,375 |
| 8 | 37921 | Knoxville | 28,717 |
| 9 | 37934 | Farragut | 28,272 |
| 10 | 37932 | Knoxville | 25,424 |
Cities in Knox County
ZIP Directory
- ZIP 37721
- ZIP 37806
- ZIP 37849
- ZIP 37871
- ZIP 37902
- ZIP 37909
- ZIP 37912
- ZIP 37914
- ZIP 37915
- ZIP 37916
- ZIP 37917
- ZIP 37918
- ZIP 37919
- ZIP 37920
- ZIP 37921
- ZIP 37922
- ZIP 37923
- ZIP 37924
- ZIP 37929
- ZIP 37931
- ZIP 37932
- ZIP 37934
- ZIP 37938
Browse all ZIP data for Tennessee
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.