County ProfileTN
Johnson County
Population: 17,948 · 5 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
17,948
People
Median age
46.7
Housing
Total households
7,298
Income
Median household income
$53,129
Housing
Total housing units
8,761
Employment
Employment rate
43.2%
Education
Bachelor’s degree or higher
17.5%
Healthcare
Insured population
86.6%
County details
Local time 02:14:46(CT)| Name | Johnson |
|---|---|
| Total ZIP codes | 5total |
| ZIP codes (by type) | 5 Standard |
| Area code | 423 |
| Timezone | Central Time (CT) |
| Coordinates | 36.4532029, -81.8612467 |
| Land area | 298.4 sq miles(773 km²) |
Map of Johnson county, Tennessee with ZIP codes
Cities and Communities in Johnson County
Compare the largest cities in Johnson County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Mountain City | 2,415 | $38,818 | 1ZIPs |
| Shady Valley | 963 | — | 1ZIPs |
| Trade | 851 | — | 1ZIPs |
| Laurel Bloomery | 661 | — | 1ZIPs |
| Butler | 297 | $64,188 | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Johnson County
Review the most populated postal areas across Johnson County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 37683 | Mountain City | $55,979 | 12,867 |
| 37640 | Butler | $55,402 | 3,664 |
| 37688 | Shady Valley | $53,333 | 963 |
| 37691 | Trade | $13,976 | 851 |
| 37680 | Laurel Bloomery | $48,324 | 661 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS