Residential delivery area · Tennessee
ZIP Code 37663: Kingsport, TN
ZIP code 37663 uses the postal name Kingsport, Tennessee and lies mostly in Sullivan County (95% of its land) with the rest in Washington County (Census 2020 ZIP-county file). About 14,000 people live there (Census Bureau, ACS 2020-2024), the 3rd most populous of Kingsport's 4 residential ZIP codes. Median household income is $76,007 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Kingsport (25%), Colonial Heights (14%) and Spurgeon (9%); 52% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Kingsport · 4 residential ZIPs
- County
- Sullivan County (95%); Washington County (5%)
- Census places
- Kingsport (25%); Colonial Heights (14%) census-designated place; Spurgeon (9%) census-designated place
- Metro area
- Kingsport-Bristol, TN-VA
- House district
- TN-1 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 25.8 sq mi · 553 people per sq mi
Where is ZIP code 37663?
37663 centers on 36.463°, -82.489° and covers 25.8 square miles of land plus 1.0 of water. It borders 5 ZIP codes: 37664, 37615, 37686, 37617, 37659.
The map draws ZIP code areas only. For the streets inside 37663, 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 37663 compare with the rest of Kingsport?
| Measure | 37663 | In Kingsport | In Sullivan County | In TN |
|---|---|---|---|---|
| People (ACS 2020-2024) | 14,230 | 3rd of 4 | 5th of 10 | 172nd of 636 |
| Median household income | $76k | 1st of 4 | 2nd of 9 | 122nd of 425 |
| Median home value | $239k | 2nd of 3 | 4th of 8 | 207th of 436 |
Its median household income is higher than in 56% of U.S. residential ZIP codes, and it is denser than 73% 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 37663?
The 2020 Census counted 14,392 people in 37663; the ACS, which samples households over 2020-2024, estimates 14,230. Between the 2010 and 2020 censuses its population fell 1.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 14,230
- 2020 Census count
- 14,392−1.5% since 2010 (14,617)
- Households
- 6,268
- Median age
- 47.1
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 37663?
Of the 14,230 people the ACS estimates in 37663, 17.9% are under 18 and 23.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.8%).
- Under 1817.9%
- 18 to 6458.9%
- 65 and older23.1%
- White, not Hispanic92.8%
- Other or two or more3.3%
- Hispanic or Latino1.8%
- Asian, not Hispanic1.6%
- Black, not Hispanic0.5%
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 37663 earn?
Median household income is $76,007 (ACS 2020-2024), the 2nd highest of the 9 ranked ZIP codes in Sullivan County. It is not measurably different from 2015-2019 ($78,482 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $76,007±$8,100
- Income per person
- $41,380
- Below the poverty line
- 7.7%
- Unemployed (of the labor force)
- 4.9%
- Adults 25+ with a bachelor's degree
- 34.9%
- Adjusted gross income per tax return, 2022
- $78,2487,150 returns; wages 67% 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 37663?
FHFA's house price index for 37663, built from repeat sales and appraisals of the same homes, rose 103% from 2015 to 2025 and rose 70% from 2020 to 2025, and moved +0.4% in 2025.
- Median home value (owners' estimate)
- $238,900
- Median gross rent
- $940
- Homes owned by their occupants
- 81.9%
- Housing units
- 6,589
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 37663?
311 business establishments had a location in this ZIP code in 2023, 16 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction44
- Retail trade44
- Other services (except public administration)34
- Health care and social assistance32
- Accommodation and food services26
- Professional, scientific, and technical services22
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 37663?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37664 | Kingsport | 28,267 | $64k | 3.3 mi |
| 37615 | Johnson City | 22,821 | $78k | 4.9 mi |
| 37686 | Piney Flats | 9,495 | $84k | 7.9 mi |
| 37617 | Blountville | 14,744 | $65k | 8.0 mi |
| 37659 | Jonesborough | 29,080 | $71k | 12.7 mi |
| 37660 | Kingsport | 40,996 | $49k | 6.4 mi (near) |
| 37656 | Fall Branch | 3,849 | $64k | 9.0 mi (near) |
| 37665 | Kingsport | 4,741 | $51k | 9.3 mi (near) |
| 24290 | Weber City, VA | 2,274 | $61k | 11.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.