County · Tennessee · United States
Washington County ZIP codes
8 ZIP codes · 5 cities · FIPS 47179
Key facts
- State
- Tennessee (TN)
- FIPS code
- 47179
- Population
- 134,693
- Median household income
- $61,051
- Median age
- 40.3
- Land area
- 326.5 sq mi (845.6 km²)
- Population density
- 413 / sq mi
- Area codes
- 423
Cities and ZIP codes in Washington County (5)
| City | ZIP codes |
|---|---|
| Johnson City | 37601, 37604, 37614, 37615 |
| Fall Branch | 37656 |
| Jonesborough | 37659 |
| Limestone | 37681 |
| Telford | 37690 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.