Residential delivery area · Tennessee
ZIP Code 37665: Kingsport, TN
ZIP code 37665 is in Kingsport, Tennessee, entirely in Sullivan County (Census 2020 ZIP-county file). About 4,700 people live there (Census Bureau, ACS 2020-2024), the least populous of Kingsport's 4 residential ZIP codes. Median household income is $50,991 (Census Bureau, ACS 2020-2024). By Census place, 85% of its land lies in Kingsport; 15% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Kingsport · 4 residential ZIPs
- County
- Sullivan County
- Census places
- Kingsport
- Metro area
- Kingsport-Bristol, TN-VA
- House district
- TN-1 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 3.0 sq mi · 1,566 people per sq mi
Where is ZIP code 37665?
37665 centers on 36.579°, -82.573° and covers 3.0 square miles of land. It borders 2 ZIP codes: 24290, 37660.
The map draws ZIP code areas only. For the streets inside 37665, 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 37665 compare with the rest of Kingsport?
| Measure | 37665 | In Kingsport | In Sullivan County | In TN |
|---|---|---|---|---|
| People (ACS 2020-2024) | 4,741 | 4th of 4 | 8th of 10 | 305th of 636 |
| Median household income | $51k | 3rd of 4 | 8th of 9 | 343rd of 425 |
| Median home value | $134k | not ranked | not ranked | not ranked |
37665's median home value is not ranked: its 90% margin of error (±$37,442) is more than a quarter of the figure ($134,400). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
Its median household income is higher than in 16% of U.S. residential ZIP codes, and it is denser than 82% 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 37665?
The 2020 Census counted 5,204 people in 37665; the ACS, which samples households over 2020-2024, estimates 4,741. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 4,741±709 (90% margin)
- 2020 Census count
- 5,204
- Households
- 1,840
- Median age
- 36.9
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 37665?
Of the 4,741 people the ACS estimates in 37665, 26.1% are under 18 and 18.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.5%).
- Under 1826.1%
- 18 to 6455.7%
- 65 and older18.2%
- White, not Hispanic91.5%
- Hispanic or Latino4.6%
- Other or two or more3.1%
- Black, not Hispanic0.8%
- Asian, not Hispanic0.0%
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 37665 earn?
Median household income is $50,991 (ACS 2020-2024), the 8th highest of the 9 ranked ZIP codes in Sullivan County.
- Median household income
- $50,991±$7,652
- Income per person
- $24,490
- Below the poverty line
- 20.7%
- Unemployed (of the labor force)
- 2.7%
- Adults 25+ with a bachelor's degree
- 18.2%
- Adjusted gross income per tax return, 2022
- $42,9812,140 returns; wages 82% 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 37665?
FHFA's house price index for 37665, built from repeat sales and appraisals of the same homes, rose 145% from 2015 to 2025 and rose 71% from 2020 to 2025, and moved +7.6% in 2025.
- Median home value (owners' estimate)
- $134,400
- Median gross rent
- $775
- Homes owned by their occupants
- 76.5%
- Housing units
- 2,339
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 37665?
30 business establishments had a location in this ZIP code in 2023, 2 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)11
- Retail trade4
- Construction3
- Professional, scientific, and technical services3
- Health care and social assistance3
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 37665?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 24290 | Weber City, VA | 2,274 | $61k | 2.6 mi |
| 37660 | Kingsport | 40,996 | $49k | 3.6 mi |
| 37645 | Mount Carmel | 5,472 | $69k | 5.1 mi (near) |
| 24251 | Gate City, VA | 7,937 | $45k | 5.6 mi (near) |
| 37664 | Kingsport | 28,267 | $64k | 6.0 mi (near) |
| 37642 | Church Hill | 15,011 | $60k | 9.2 mi (near) |
| 37663 | Kingsport | 14,230 | $76k | 9.3 mi (near) |
| 24258 | Hiltons, VA | 1,163 | $45k | 10.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.