Washington County, Tennessee ZIP Codes
- ZIP records
8 - Cities represented
5 - Sum of listed ZIP population estimates
146,067
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 | 37604 | Johnson City | 39,097 |
| 2 | 37601 | Johnson City | 38,008 |
| 3 | 37659 | Jonesborough | 29,080 |
| 4 | 37615 | Johnson City | 22,821 |
| 5 | 37681 | Limestone | 5,723 |
| 6 | 37690 | Telford | 4,722 |
| 7 | 37656 | Fall Branch | 3,849 |
| 8 | 37614 | Johnson City | 2,767 |
Cities in Washington County
ZIP Directory
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.