ZIP code 37656: Fall Branch, TN
37656 is a ZIP code in Fall Branch, Tennessee, mainly in Washington County, part of the Johnson City, TN metro area. About 3,849 people live here.
- Population
- 3,849
- Median household income
- $63,617
- Typical home value
- $283,800+3.5% in 12 months
- Median rent
- $794gross, per month
- Median age
- 51.7
- Homeowners
- 87.3%of occupied homes
Shaded: ZIP code 37656's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 37656 details
| City | Fall Branch |
|---|---|
| State | Tennessee |
| County | Washington County (also partly Greene County, Sullivan County) |
| Metro area | Johnson City, TN |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 29.1 sq mi |
| Population density | 132 people per sq mi |
| Bachelor's degree or higher | 22.4% of adults 25+ |
| Average commute | 24.9 minutes |
| Center coordinates | 36.39997, -82.63079 |
Median rent in 37656 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $777/mo |
| 3 bedrooms | $967/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 37656
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 37663 | Kingsport, TN | 9.0 mi | 14,230 |
| 37660 | Kingsport, TN | 9.4 mi | 40,996 |
| 37681 | Limestone, TN | 9.8 mi | 5,723 |
| 37615 | Johnson City, TN | 9.9 mi | 22,821 |
| 37664 | Kingsport, TN | 10.0 mi | 28,267 |
| 37642 | Church Hill, TN | 10.5 mi | 15,011 |
| 37659 | Jonesborough, TN | 10.8 mi | 29,080 |
| 37669 | Kingsport, TN | 10.9 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 37656?
A typical home in ZIP code 37656 is worth about $283,800 (Zillow Home Value Index). The median household here earns $63,617 a year. See what buying here would cost per month, with Tennessee average taxes and insurance filled in.
Monthly payment for a $283,800 homeWhat can a $63,617 income afford?Rental property numbers
About ZIP code 37656
What city is ZIP code 37656?
ZIP code 37656 is in Fall Branch, TN, in Washington County.
What county is ZIP code 37656 in?
37656 is mainly in Washington County, Tennessee, and partly in Greene County and Sullivan County.
What is the population of ZIP code 37656?
About 3,849 people live in ZIP code 37656, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 37656 in?
37656 is in Eastern Time (UTC−5). It observes daylight saving time.