Residential delivery area · Tennessee
ZIP Code 37656: Fall Branch, TN
ZIP code 37656 uses the postal name Fall Branch, Tennessee and lies mostly in Washington County (63% of its land), reaching into Greene County and Sullivan County (Census 2020 ZIP-county file). About 3,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $63,617 (Census Bureau, ACS 2020-2024). By Census place, 16% of its land lies in Fall Branch (a census-designated place); 85% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Fall Branch · its only residential ZIP
- County
- Washington County (63%); Greene County (29%); Sullivan County (8%)
- Census places
- Fall Branch census-designated place
- Metro area
- Johnson City, TN
- House district
- TN-1 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 29.1 sq mi · 132 people per sq mi
Where is ZIP code 37656?
37656 centers on 36.400°, -82.631° and covers 29.1 square miles of land. It borders 6 ZIP codes: 37660, 37681, 37664, 37659, 37641, 37857.
The map draws ZIP code areas only. For the streets inside 37656, 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).
How does 37656 compare with the rest of Washington County?
| Measure | 37656 | In Washington County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 3,849 | 10th of 12 | 343rd of 636 |
| Median household income | $64k | 6th of 9 | 211th of 425 |
| Median home value | $237k | 6th of 10 | 212th of 436 |
Its median household income is higher than in 36% of U.S. residential ZIP codes, and it is denser than 58% 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 37656?
The 2020 Census counted 3,611 people in 37656; the ACS, which samples households over 2020-2024, estimates 3,849. Between the 2010 and 2020 censuses its population fell 1.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,849±784 (90% margin)
- 2020 Census count
- 3,611−1.8% since 2010 (3,677)
- Households
- 1,578
- Median age
- 51.7
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 37656?
Of the 3,849 people the ACS estimates in 37656, 16.0% are under 18 and 25.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.3%).
- Under 1816.0%
- 18 to 6458.6%
- 65 and older25.4%
- White, not Hispanic95.3%
- Hispanic or Latino1.8%
- Other or two or more1.7%
- Asian, not Hispanic1.1%
- Black, not Hispanic0.1%
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 37656 earn?
Median household income is $63,617 (ACS 2020-2024), the 6th highest of the 9 ranked ZIP codes in Washington County. It is not measurably different from 2015-2019 ($51,465 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $63,617±$15,306
- Income per person
- $32,397
- Below the poverty line
- 12.0%
- Unemployed (of the labor force)
- 6.5%
- Adults 25+ with a bachelor's degree
- 22.4%
- Adjusted gross income per tax return, 2022
- $64,8101,790 returns; wages 72% 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 37656?
- Median home value (owners' estimate)
- $236,600
- Median gross rent
- $794
- Homes owned by their occupants
- 87.3%
- Housing units
- 1,756
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 37656?
26 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade8
- Construction7
- Administrative and support and waste management and remediation services3
- Other services (except public administration)3
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 37656?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37660 | Kingsport | 40,996 | $49k | 9.4 mi |
| 37681 | Limestone | 5,723 | $66k | 9.8 mi |
| 37664 | Kingsport | 28,267 | $64k | 10.0 mi |
| 37659 | Jonesborough | 29,080 | $71k | 10.8 mi |
| 37641 | Chuckey | 9,733 | $67k | 13.9 mi |
| 37857 | Rogersville | 21,657 | $55k | 17.4 mi |
| 37663 | Kingsport | 14,230 | $76k | 9.0 mi (near) |
| 37615 | Johnson City | 22,821 | $78k | 9.9 mi (near) |
| 37642 | Church Hill | 15,011 | $60k | 10.5 mi (near) |
| 37690 | Telford | 4,722 | $74k | 11.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.