Washington County, TN ZIP Codes
9 ZIP codes cover all or part of Washington County, Tennessee. The Census Bureau counts 136,261 residents in the county, with a median household income of $62,809 and a median home value of $249,000. Median household income ranges from $50,686 in 37601 to $77,525 in 37615. Its largest communities include Johnson City, Elizabethton, Jonesborough, Oak Grove and Spurgeon.
Washington County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 136,261 |
| Households | 56,759 |
| Median household income | $62,809 |
| Median home value | $249,000 |
| Median age | 40.2 |
| Median rent | $1,005 |
All 9 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 155,800 |
| Households (sum of ZIP codes) | 65,417 |
| Median household income, range across ZIP codes | $50,686 (37601) to $77,525 (37615) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $61,146 |
| Homeowners | 65.7% |
| Households with kids under 18 | 24.2% |
| Moved in the past year | 14.5% |
| Carrier routes in EDDM2GO's route library | 113 routes, 73,332 homes (8 of 9 ZIP codes) |
Top facts
- Highest median household income in Washington County: 37615 ($77,525)
- Most residents: 37604 (39,097 people)
- Highest homeownership: 37656 (87.3% own their home)
- Most households with kids: 37641 (30.4% of households)
- Most new movers: 37614 (53.1% moved in last year)
- Youngest median age: 37614 (19.6 years)
- Highest median home value: 37615 ($294,900)
Every ZIP code in Washington County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 37604 | Johnson City | 39,097 | 17,621 | $52,345 | $259,600 | 50.3% | 21.3% | 18.6% | 29 | 20,757 | 94% of its land |
| 37601 | Johnson City | 38,008 | 16,958 | $50,686 | $216,200 | 55.9% | 24.5% | 17.8% | 28 | 19,768 | 53% of its land |
| 37659 | Jonesborough | 29,080 | 11,906 | $71,110 | $249,600 | 79.7% | 25.5% | 9.2% | 21 | 14,110 | 99% of its land |
| 37615 | Johnson City | 22,821 | 9,437 | $77,525 | $294,900 | 74.9% | 25.6% | 12.7% | 16 | 12,079 | 100% of its land |
| 37641 | Chuckey | 9,733 | 3,615 | $66,570 | $199,000 | 82.8% | 30.4% | 8.5% | 8 | 4,251 | 18% of its land |
| 37681 | Limestone | 5,723 | 2,464 | $65,857 | $177,300 | 87.2% | 26.4% | 2.9% | 5 | 3,038 | 63% of its land |
| 37690 | Telford | 4,722 | 1,838 | $74,286 | $246,200 | 85.8% | 17.5% | 5.2% | 3 | 1,914 | 100% of its land |
| 37656 | Fall Branch | 3,849 | 1,578 | $63,617 | $236,600 | 87.3% | 25.7% | 8.4% | 3 | 1,768 | 63% of its land |
| 37614 | Johnson City | 2,767 | 0 | — | — | — | — | 53.1% | — | — | 100% of its land |
A ZIP code is listed for Washington County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Johnson City — 72,222 residents · 4 ZIP codes
- Elizabethton — 14,374 residents · 3 ZIP codes
- Jonesborough — 6,232 residents · 1 ZIP code
- Oak Grove — 4,626 residents · 1 ZIP code
- Spurgeon — 4,071 residents · 2 ZIP codes
- Unicoi — 3,806 residents · 1 ZIP code
- Gray — 2,237 residents · 1 ZIP code
- Pine Crest — 2,029 residents · 1 ZIP code
- Central — 1,938 residents · 1 ZIP code
- Fall Branch — 1,160 residents · 1 ZIP code
- Embreeville — 1,062 residents · 1 ZIP code
- Telford — 731 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Washington County — 8 ZIP codes ranked
- ZIP codes with the highest home values in Washington County — 8 ZIP codes ranked
- ZIP codes with the highest homeownership in Washington County — 8 ZIP codes ranked
- ZIP codes with the most families with kids in Washington County — 8 ZIP codes ranked
- ZIP codes with the most new movers in Washington County — 9 ZIP codes ranked
- Youngest ZIP codes in Washington County — 9 ZIP codes ranked
- Oldest ZIP codes in Washington County — 9 ZIP codes ranked
- Fastest-growing ZIP codes in Washington County — 9 ZIP codes ranked
Price a mailing to Washington County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Washington County, TN?
- 37604, 37601, 37659, 37615, 37641, 37681, 37690, 37656 and 37614. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Washington County?
- 136,261 residents in 56,759 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Washington County?
- $62,809 for the county as a whole. Its ZIP codes range from $50,686 (37601) to $77,525 (37615).
- Which Washington County ZIP code has the highest median household income?
- 37615, at $77,525, among ZIP codes with at least 1,000 residents. See the full ranking of Washington County ZIP codes by income.
- How many carrier routes and mailboxes are in Washington County?
- For the 8 of 9 ZIP codes in EDDM2GO's stored route library: 113 carrier routes reaching 73,332 residential and 4,369 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.