Carter County, TN ZIP codes
Carter County, TN has 6 ZIP codes, in 5 towns: 37643, 37687, 37658, 37694, 37644 and 37682. 2 more cross into it from neighbouring counties: 37601 and 37640.
The county seat is Elizabethton.
- ZIP codes
- 6
- Partly in it
- 2 more
- Towns
- 5
- County seat
- Elizabethton
- County FIPS
47019- State
- Tennessee
- Population
- 56,712
- Median household income
- $50,135
- Land area
- 341 sq mi
- Metro area
- Johnson City
Carter County ZIP codes by town
- Elizabethton (county seat)
- 37643, 37644
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.
ZIP codes partly in Carter County
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Carter County.
- 37601 Johnson City · mostly in Washington County
- 37640 Butler · mostly in Johnson County
Map of Carter County ZIP codes
The ZIP codes of Carter 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.
Carter County in numbers
About 56,712 people live in Carter County, in 24,425 households, the 28th most populous of Tennessee's 95 counties. The median household income is $50,135 a year, 28% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $168,200 (41% below the Tennessee median), and median gross rent is $739 a month. The median age is 45.9; 20.6% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 24 minutes.
| Population | 56,712 |
|---|---|
| Households | 24,425 |
| Median age | 45.9 |
| Median household income | $50,135 |
| Median home value | $168,200 |
| Median gross rent | $739 |
| Bachelor's degree or higher | 20.6% |
| Mean commute | 24.3 min |
| Population density | 166 / 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 Carter County
| Town | ZIP codes | Population |
|---|---|---|
| Elizabethton | 2 | 14,374 |
| Hampton | 1 | 1,883 |
| Roan Mountain | 1 | 797 |
| Watauga | 1 | 644 |
| Milligan College | 1 | 591 |
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 Carter County.
Not sure you are in Carter County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Carter County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
37643 | Elizabethton , TN | Standard | 34,120 | $51,831 | $166,600 |
37644 | Elizabethton , TN | No street area | — | — | — |
37658 | Hampton , TN | Standard | 3,854 | $37,995 | $110,800 |
37682 | Milligan College , TN | Standard | 591 | — | — |
37687 | Roan Mountain , TN | Standard | 4,493 | $49,914 | $160,900 |
37694 | Watauga , TN | Standard | 1,729 | $81,250 | $203,300 |
Cite this page
zipcodes.pro. “Carter County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tn/county/carter
Underlying data is public domain or openly licensed — sources, vintages and licences.