Residential delivery area · Tennessee
ZIP Code 37643: Elizabethton, TN
ZIP code 37643 uses the postal name Elizabethton, Tennessee and lies mostly in Carter County (99% of its land) with the rest in Unicoi County (Census 2020 ZIP-county file). About 34,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $51,831 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Elizabethton (7%), Hunter (5%), Valley Forge (2%) and Biltmore (2%); 84% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Elizabethton · its only residential ZIP
- County
- Carter County (99%); Unicoi County (1%)
- Census places
- Elizabethton (7%); Hunter (5%) census-designated place; Valley Forge (2%) census-designated place; Biltmore (2%) census-designated place
- Metro area
- Johnson City, TN
- House district
- TN-1 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 131.1 sq mi · 260 people per sq mi
- PO Box ZIPs
- 37644 also use the name Elizabethton
Where is ZIP code 37643?
37643 centers on 36.371°, -82.122° and covers 131.1 square miles of land plus 0.5 of water. It borders 9 ZIP codes: 37658, 37618, 37640, 37694, 37601, 37620, 37692, 37683, 37688.
The map draws ZIP code areas only. For the streets inside 37643, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 37643 compare with the rest of Carter County?
| Measure | 37643 | In Carter County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 34,120 | 3rd of 8 | 53rd of 636 |
| Median household income | $52k | 2nd of 5 | 334th of 425 |
| Median home value | $167k | 3rd of 4 | 340th of 436 |
Its median household income is higher than in 17% of U.S. residential ZIP codes, and it is denser than 65% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 37643?
The 2020 Census counted 33,752 people in 37643; the ACS, which samples households over 2020-2024, estimates 34,120. Between the 2010 and 2020 censuses its population grew 0.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 34,120
- 2020 Census count
- 33,752+0.2% since 2010 (33,689)
- Households
- 14,630
- Median age
- 46.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 37643?
Of the 34,120 people the ACS estimates in 37643, 19.6% are under 18 and 21.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.7%).
- Under 1819.6%
- 18 to 6458.7%
- 65 and older21.7%
- White, not Hispanic92.7%
- Other or two or more3.0%
- Hispanic or Latino2.6%
- Black, not Hispanic1.5%
- Asian, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 37643 earn?
Median household income is $51,831 (ACS 2020-2024), the 2nd highest of the 5 ranked ZIP codes in Carter County. It rose from $45,158 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $51,831
- Income per person
- $30,936
- Below the poverty line
- 16.2%
- Unemployed (of the labor force)
- 4.9%
- Adults 25+ with a bachelor's degree
- 20.4%
- Adjusted gross income per tax return, 2022
- $55,06214,000 returns; wages 70% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 37643?
FHFA's house price index for 37643, built from repeat sales and appraisals of the same homes, rose 124% from 2015 to 2025 and rose 78% from 2020 to 2025, and moved +4.3% in 2025.
- Median home value (owners' estimate)
- $166,600
- Median gross rent
- $732
- Homes owned by their occupants
- 74.8%
- Housing units
- 16,602
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 37643?
545 business establishments had a location in this ZIP code in 2023, 37 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade101
- Other services (except public administration)89
- Health care and social assistance75
- Accommodation and food services62
- Finance and insurance48
- Construction37
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 37643?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37658 | Hampton | 3,854 | $38k | 7.8 mi |
| 37618 | Bluff City | 12,548 | $64k | 7.9 mi |
| 37640 | Butler | 3,851 | $55k | 8.8 mi |
| 37694 | Watauga | 1,729 | $81k | 8.8 mi |
| 37601 | Johnson City | 38,008 | $51k | 11.1 mi |
| 37620 | Bristol | 38,494 | $56k | 12.5 mi |
| 37692 | Unicoi | 4,766 | $54k | 16.4 mi |
| 37683 | Mountain City | 12,943 | $56k | 17.6 mi |
| 37688 | Shady Valley | 1,138 | $53k | 18.0 mi |
| 37682 | Milligan College | 591 | – | 10.6 mi (near) |
| 37687 | Roan Mountain | 4,493 | $50k | 13.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Elizabethton?
1 more ZIP code carries the postal name Elizabethton, TN without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 37644 | Carter County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.