Washington County, TN Demographics & ZIP Codes
Washington County, Tennessee demographics and median household income by ZIP code — 8 ZIP codes — population 145,139 — avg. income $62,967 — avg. home value $220,700. Compare income, housing, and ZIP-level data on US5.
Washington County demographics
Washington County, Tennessee covers 8 ZIP codes, with a combined ZIP-area population of about 145,139.
Median household income in Washington County
The average median household income across ZIP codes in Washington County, Tennessee is about $62,967 — about even with the TN ZIP average ($63,814), and about 16% below the U.S. median ($75,149).
Among ZIPs with income data, 37615 (Johnson City) is near the top at about $75,556, while 37604 (Johnson City) is near the bottom at about $49,351.
Housing in Washington County
For housing in Washington County, Tennessee, the average median home value is about $220,700 and the average median rent is about $733.
The most populous ZIP is 37601 (Johnson City) with about 38,622 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Washington County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 37601 | Johnson City | Washington County | TN | 38,622 | $49,658 | $187,000 |
| 37604 | Johnson City | Washington County | TN | 38,359 | $49,351 | $231,900 |
| 37659 | Jonesborough | Washington County | TN | 29,247 | $69,765 | $241,700 |
| 37615 | Johnson City | Washington County | TN | 22,013 | $75,556 | $261,200 |
| 37681 | — | Washington County | TN | 6,031 | $60,685 | $169,800 |
| 37690 | Telford | Washington County | TN | 4,720 | $70,026 | $221,400 |
| 37656 | Fall Branch | Washington County | TN | 3,566 | $65,731 | $231,900 |
| 37614 | Johnson City | Washington County | TN | 2,581 | — | — |
Frequently asked questions
What are the demographics of Washington County?
Washington County, Tennessee has a combined ZIP-area population of about 145,139 across 8 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Washington County?
The average median household income across ZIP codes in Washington County, Tennessee is about $62,967, roughly in line with the state ZIP average ($63,814), and about 16% below the U.S. median ($75,149). Average median home value is about $220,700. Among ZIPs with data, 37615 (Johnson City) is near the top ($75,556) and 37604 (Johnson City) is near the bottom ($49,351).
How many ZIP codes are in Washington County?
Washington County, Tennessee includes 8 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Washington County?
This page lists ZIP codes in Washington County, Tennessee with population, median household income, and home value. Select a ZIP for a full demographics profile.