Residential delivery area · Tennessee
ZIP Code 37604: Johnson City, TN
ZIP code 37604 is in Johnson City, Tennessee, mostly in Washington County (94% of its land) with the rest in Carter County (Census 2020 ZIP-county file). About 39,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Johnson City's 4 residential ZIP codes. Median household income is $52,345 (Census Bureau, ACS 2020-2024). By Census place, 55% of its land lies in Johnson City; 45% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Johnson City · 4 residential ZIPs
- County
- Washington County (94%); Carter County (6%)
- Census places
- Johnson City
- Neighborhoods
- Arbor Heights, Avondale Forest, Beechwood Court, Belmont Acres, Boone Trail, Buckstone Hills and 41 more GeoNames
- Metro area
- Johnson City, TN
- House district
- TN-1 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 33.0 sq mi · 1,184 people per sq mi
Where is ZIP code 37604?
37604 centers on 36.299°, -82.383° and covers 33.0 square miles of land. It borders 5 ZIP codes: 37614, 37601, 37659, 37615, 37692.
The map draws ZIP code areas only. For the streets inside 37604, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 37604 compare with the rest of Johnson City?
| Measure | 37604 | In Johnson City | In Washington County | In TN |
|---|---|---|---|---|
| People (ACS 2020-2024) | 39,097 | 1st of 4 | 1st of 12 | 41st of 636 |
| Median household income | $52k | 2nd of 3 | 7th of 9 | 326th of 425 |
| Median home value | $260k | 2nd of 3 | 2nd of 10 | 173rd of 436 |
Its median household income is higher than in 17% of U.S. residential ZIP codes, and it is denser than 80% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 37604?
The 2020 Census counted 37,025 people in 37604; the ACS, which samples households over 2020-2024, estimates 39,097. Between the 2010 and 2020 censuses its population grew 8.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 39,097
- 2020 Census count
- 37,025+8.1% since 2010 (34,245)
- Households
- 17,621
- Median age
- 35.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 37604?
Of the 39,097 people the ACS estimates in 37604, 16.9% are under 18 and 17.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (82.8%).
- Under 1816.9%
- 18 to 6466.1%
- 65 and older17.0%
- White, not Hispanic82.8%
- Hispanic or Latino6.8%
- Black, not Hispanic5.3%
- Other or two or more4.0%
- Asian, not Hispanic1.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 37604 earn?
Median household income is $52,345 (ACS 2020-2024), the 7th highest of the 9 ranked ZIP codes in Washington County. It is not measurably different from 2015-2019 ($50,434 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $52,345
- Income per person
- $35,679
- Below the poverty line
- 21.9%
- Unemployed (of the labor force)
- 4.9%
- Adults 25+ with a bachelor's degree
- 40.8%
- Adjusted gross income per tax return, 2022
- $72,35016,840 returns; wages 66% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 37604?
FHFA's house price index for 37604, built from repeat sales and appraisals of the same homes, rose 111% from 2015 to 2025 and rose 75% from 2020 to 2025, and moved +5.3% in 2025.
- Median home value (owners' estimate)
- $259,600
- Median gross rent
- $1,055
- Homes owned by their occupants
- 50.3%
- Housing units
- 19,596
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 37604?
1,161 business establishments had a location in this ZIP code in 2023, 96 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance216
- Retail trade169
- Accommodation and food services150
- Other services (except public administration)114
- Finance and insurance94
- Construction79
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 37604?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37614 | Johnson City | 2,767 | – | 0.9 mi |
| 37601 | Johnson City | 38,008 | $51k | 4.5 mi |
| 37659 | Jonesborough | 29,080 | $71k | 7.0 mi |
| 37615 | Johnson City | 22,821 | $78k | 7.9 mi |
| 37692 | Unicoi | 4,766 | $54k | 9.1 mi |
| 37682 | Milligan College | 591 | – | 5.1 mi (near) |
| 37694 | Watauga | 1,729 | $81k | 8.2 mi (near) |
| 37686 | Piney Flats | 9,495 | $84k | 9.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.