Zip Code 37664
Kingsport, Tennessee — Sullivan County
📍 ZIP code 37664 is in Kingsport, Sullivan County, Tennessee.
ZIP code 37664 is located in Kingsport, Sullivan County, Tennessee. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 28,721. The area code for ZIP code 37664 is 423.
Quick Answer
Zip code 37664 is in Kingsport, Tennessee (Sullivan County). It has a population of 28,721, median household income of $61,164, and median home value of $204,900.
Population
28,721
Income
$61,164
Home Value
$204,900
Climate
87°F / 27°F
About Zip Code 37664
Zip code 37664 is located in Kingsport, Tennessee, within Sullivan County. Home to approximately 28,721 residents, this area sits at an elevation of 1509 ft and falls within the Central (CST/CDT) timezone. The local area code is 423.
The median household income is $61,164 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $204,900, and the cost of living index is 72 (28% below the national average of 100).
Summers average a high of 87°F while winters drop to 27°F. The area receives about 45 in of rain and 5 in of snow annually. The zip code covers 32.6 square miles of land area and 0.3 square miles of water.
Key Statistics
28,721
$61,164
$204,900
Central (CST/CDT)
423
1509 ft
32.6 sq mi
45.8
13,914
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Compare With Nearby Zip Codes
| Metric | 37664 | 37663 | 37660 | 37665 | 37617 | 24290 |
|---|---|---|---|---|---|---|
| City | Kingsport, TN | Kingsport, TN | Kingsport, TN | Kingsport, TN | Blountville, TN | Gate City, VA |
| Population | 28,721 | 14,037 | 40,114 | 5,156 | 14,200 | 2,276 |
| Median Income | $61,164 | $76,122 | $46,913 | $46,565 | $65,069 | $60,529 |
| Home Value | $204,900 | $224,900 | $177,800 | $110,300 | $225,000 | $165,100 |
| Cost of Living | 72 | 85 | 60 | 60 | 79 | 60 |
| Median Age | 45.8 | 47.9 | 44.2 | 36.6 | 47 | 41.6 |
Cost of Living
100 = National Average. Kingsport's cost of living is 28% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
3.4x
Demographics
Zip code 37664 has a population of 28,721 people with a median age of 45.8. There are 13,914 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Kingsport (37664) population trend from 2010 to 2024
↓ -16.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
27°F
45 in
5 in
Kingsport experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 27°F. The area receives about 5 in of snow per year.
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Housing & Economy
Median Home Value
$204,900
Median Household Income
$61,164
With 13,914 housing units across 32.6 square miles, 37664 has a housing density of 427 units per square mile. The home price-to-income ratio is 3.4x.
Location & Geography
Latitude
36.5204°
Longitude
-82.4990°
Land Area
32.6 sq mi
Water Area
0.3 sq mi
Nearby Zip Codes
Zip codes closest to 37664 (Kingsport, TN) with distances:
All Zip Codes in Kingsport, TN
Other zip codes serving Kingsport:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 37664's $61,164. A way to compare Kingsport to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 37664 (Kingsport, TN). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Kingsport, Tennessee?
Kingsport, Tennessee uses zip code 37664 along with 3 other zip codes.
What county is zip code 37664 in?
Zip code 37664 is located in Sullivan County, Tennessee.
What is the population of zip code 37664?
The population of zip code 37664 is 28,721 with a median age of 45.8.
Is 37664 in Kingsport, Tennessee?
Yes, zip code 37664 is in Kingsport, Sullivan County, Tennessee. The area code is 423.
Frequently Asked Questions
What city is zip code 37664 in?
Zip code 37664 is in Kingsport, Tennessee. It is part of Sullivan County and uses the Central (CST/CDT) timezone.
What is zip code 37664?
Zip code 37664 is a U.S. postal code in Kingsport, Tennessee (Sullivan County). It has a population of 28,721 and covers 32.6 square miles.
What is the population of zip code 37664?
The population of zip code 37664 (Kingsport, TN) is 28,721 with a median age of 45.8. There are approximately 13,914 housing units in this area.
What is the median income in zip code 37664?
The median household income in zip code 37664 (Kingsport, TN) is $61,164 per year. The cost of living index is 72 (100 = national average).
What is the average home price in zip code 37664?
The median home value in zip code 37664 (Kingsport, TN) is $204,900. The cost of living index is 72 compared to the national average of 100.
What county is zip code 37664 in?
Zip code 37664 is located in Sullivan County, Tennessee. The primary city is Kingsport.
What is the area code for zip code 37664?
Zip code 37664 in Kingsport, TN uses area code 423. It is located in the Central (CST/CDT) timezone.
Is zip code 37664 a good place to live?
Zip code 37664 (Kingsport, TN) has a cost of living index of 72 (100 = national average), a median household income of $61,164, and median home values of $204,900. The median age is 45.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 37664?
The cost of living index for zip code 37664 (Kingsport, TN) is 72, where 100 represents the national average. This area is below the national average. Median home value: $204,900.
What schools serve zip code 37664?
Zip code 37664 in Kingsport, Tennessee is served by the local school district of Sullivan County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.