Skip to content
ZipCodeMap.org

Johnson City, TN metro area ZIP codes

The Johnson City, TN metropolitan statistical area (CBSA 27740) covers 3 counties in Tennessee and 20 ZIP codes.

ZIP codes
20
Population
209,454
Avg. median income
$58,400population-weighted
Counties
3
Loading map…

Click anywhere on the map to see which ZIP code it's in.

Counties in the Johnson City, TN area

ZIP codes in the Johnson City, TN area

ZIP codes in the Johnson City, TN area
ZIP codeCityCountyPopulationMedian incomeTypical home value
37601Johnson CityWashington County38,008$50,686$262,800
37602 PO BoxJohnson CityWashington County———
37604Johnson CityWashington County39,097$52,345$282,600
37605 PO BoxJohnson CityWashington County———
37614Johnson CityWashington County2,767——
37615Johnson CityWashington County22,821$77,525$352,300
37643ElizabethtonCarter County34,120$51,831$233,200
37644 PO BoxElizabethtonCarter County———
37650ErwinUnicoi County12,774$50,654$222,700
37656Fall BranchWashington County3,849$63,617$283,800
37657Flag PondUnicoi County1,060$73,108$252,300
37658HamptonCarter County3,854$37,995$208,600
37659JonesboroughWashington County29,080$71,110$338,000
37681LimestoneWashington County5,723$65,857$289,400
37682Milligan CollegeCarter County591——
37684 PO BoxMountain HomeWashington County———
37687Roan MountainCarter County4,493$49,914$247,000
37690TelfordWashington County4,722$74,286$309,900
37692UnicoiUnicoi County4,766$53,531$291,900
37694WataugaCarter County1,729$81,250$242,600

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

Frequently asked questions

How many ZIP codes are in the Johnson City, TN metro area?

20 ZIP codes, based on each ZIP code's main county.

Which counties make up the Johnson City, TN area?

Carter County, Unicoi County and Washington County.

What is an MSA?

A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).