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zipcodes.pro — STATE/TN/COUNTY/JOHNSON

Johnson County, TN ZIP codes

Johnson County, TN has 5 ZIP codes, in 5 towns: 37683, 37640, 37688, 37691 and 37680.

The county seat is Mountain City.

ZIP codes
5
Towns
5
County seat
Mountain City
County FIPS
47091
Population
18,196
Median household income
$53,129
Land area
298 sq mi

Johnson County ZIP codes by town

Mountain City (county seat)
37683

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Johnson County ZIP codes

3764037680376833768837691

The ZIP codes of Johnson County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Johnson County in numbers

About 18,196 people live in Johnson County, in 7,298 households, the 70th most populous of Tennessee's 95 counties. The median household income is $53,129 a year, 24% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $178,600 (38% below the Tennessee median), and median gross rent is $674 a month. The median age is 46.7; 17.5% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 26 minutes.

Population18,196Johnson18,196
Households7,298Johnson7,298
Median age46.7Johnson46.7Tennessee38.9US 38.9
Median household income$53,129Johnson$53,129Tennessee$69,595US $80,734
Median home value$178,600Johnson$178,600Tennessee$286,700US $332,700
Median gross rent$674Johnson$674Tennessee$1,189US $1,413
Bachelor's degree or higher17.5%Johnson17.5%Tennessee31.1%US 35.7%
Mean commute25.6 minJohnson25.6 minTennessee25.7 minUS 26.4 min
Population density61 / sq miJohnson61 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Johnson County

Largest towns in Johnson County
TownZIP codesPopulation
Mountain City 1 2,542
Shady Valley 1 1,138
Laurel Bloomery 1 897
Trade 1 475
Butler 1 127

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Johnson County.

Not sure you are in Johnson County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Johnson County, with figures

ZIP codes in Johnson County
ZIP City Type Population Median income Median home
37640 Butler , TN Standard 3,851 $55,402 $174,000
37680 Laurel Bloomery , TN Standard 897 $48,324 $336,500
37683 Mountain City , TN Standard 12,943 $55,979 $177,000
37688 Shady Valley , TN Standard 1,138 $53,333 $164,300
37691 Trade , TN Standard 475 $13,976 $310,300

Cite this page

zipcodes.pro. “Johnson County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tn/county/johnson

Underlying data is public domain or openly licensed — sources, vintages and licences.