There are 8 zip codes in Washington County, Tennessee. The most populated is 37601, located in Johnson City. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
3760138,223Johnson City
3760437,090Johnson City
3765928,040Jonesborough
3761522,268Johnson City
376816,122Limestone
376904,966Telford
376563,652Fall Branch
376142,632Johnson City

Zip Codes in Washington County, Tennessee by Population (2024)