Zip Code 37931
Knoxville, Tennessee — Knox County
📍 ZIP code 37931 is in Knoxville, Knox County, Tennessee.
ZIP code 37931 is located in Knoxville, Knox County, Tennessee. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 31,149. The area code for ZIP code 37931 is 423.
Quick Answer
Zip code 37931 is in Knoxville, Tennessee (Knox County). It has a population of 31,149, median household income of $91,284, and median home value of $317,100.
Population
31,149
Income
$91,284
Home Value
$317,100
Climate
89°F / 30°F
About Zip Code 37931
Zip code 37931 is located in Knoxville, Tennessee, within Knox County. Home to approximately 31,149 residents, this area sits at an elevation of 972 ft and falls within the Central (CST/CDT) timezone. The local area code is 423.
The median household income is $91,284 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $317,100, and the cost of living index is 110 (10% above the national average of 100).
Summers average a high of 89°F while winters drop to 30°F. The area receives about 56 in of rain and 6 in of snow annually. The zip code covers 28.7 square miles of land area and 0.6 square miles of water.
Key Statistics
31,149
$91,284
$317,100
Central (CST/CDT)
423
972 ft
28.7 sq mi
38.2
12,770
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Compare With Nearby Zip Codes
| Metric | 37931 | 37923 | 37932 | 37909 | 37921 | 37849 |
|---|---|---|---|---|---|---|
| City | Knoxville, TN | Knoxville, TN | Knoxville, TN | Knoxville, TN | Knoxville, TN | Powell, TN |
| Population | 31,149 | 30,874 | 23,330 | 16,848 | 29,064 | 28,872 |
| Median Income | $91,284 | $70,046 | $109,900 | $61,365 | $57,813 | $83,400 |
| Home Value | $317,100 | $292,500 | $431,200 | $273,900 | $204,300 | $263,600 |
| Cost of Living | 110 | 93 | 132 | 84 | 67 | 92 |
| Median Age | 38.2 | 36.4 | 36.5 | 36.4 | 34 | 37.6 |
Cost of Living
100 = National Average. Knoxville's cost of living is 10% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
3.5x
Demographics
Zip code 37931 has a population of 31,149 people with a median age of 38.2. There are 12,770 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Knoxville (37931) population trend from 2010 to 2024
↑ 10.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
89°F
30°F
56 in
6 in
Knoxville experiences warm summers with average highs around 89°F. Winters are cool with lows averaging 30°F. The area receives about 6 in of snow per year.
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Housing & Economy
Median Home Value
$317,100
Median Household Income
$91,284
With 12,770 housing units across 28.7 square miles, 37931 has a housing density of 445 units per square mile. The home price-to-income ratio is 3.5x.
Location & Geography
Latitude
35.9763°
Longitude
-84.1263°
Land Area
28.7 sq mi
Water Area
0.6 sq mi
Nearby Zip Codes
Zip codes closest to 37931 (Knoxville, TN) with distances:
All Zip Codes in Knoxville, TN
Other zip codes serving Knoxville:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 37931's $91,284. A way to compare Knoxville 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 37931 (Knoxville, 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 Knoxville, Tennessee?
Knoxville, Tennessee uses zip code 37931 along with 11 other zip codes.
What county is zip code 37931 in?
Zip code 37931 is located in Knox County, Tennessee.
What is the population of zip code 37931?
The population of zip code 37931 is 31,149 with a median age of 38.2.
Is 37931 in Knoxville, Tennessee?
Yes, zip code 37931 is in Knoxville, Knox County, Tennessee. The area code is 423.
Frequently Asked Questions
What city is zip code 37931 in?
Zip code 37931 is in Knoxville, Tennessee. It is part of Knox County and uses the Central (CST/CDT) timezone.
What is zip code 37931?
Zip code 37931 is a U.S. postal code in Knoxville, Tennessee (Knox County). It has a population of 31,149 and covers 28.7 square miles.
What is the population of zip code 37931?
The population of zip code 37931 (Knoxville, TN) is 31,149 with a median age of 38.2. There are approximately 12,770 housing units in this area.
What is the median income in zip code 37931?
The median household income in zip code 37931 (Knoxville, TN) is $91,284 per year. The cost of living index is 110 (100 = national average).
What is the average home price in zip code 37931?
The median home value in zip code 37931 (Knoxville, TN) is $317,100. The cost of living index is 110 compared to the national average of 100.
What county is zip code 37931 in?
Zip code 37931 is located in Knox County, Tennessee. The primary city is Knoxville.
What is the area code for zip code 37931?
Zip code 37931 in Knoxville, TN uses area code 423. It is located in the Central (CST/CDT) timezone.
Is zip code 37931 a good place to live?
Zip code 37931 (Knoxville, TN) has a cost of living index of 110 (100 = national average), a median household income of $91,284, and median home values of $317,100. The median age is 38.2. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 37931?
The cost of living index for zip code 37931 (Knoxville, TN) is 110, where 100 represents the national average. This area is above the national average. Median home value: $317,100.
What schools serve zip code 37931?
Zip code 37931 in Knoxville, Tennessee is served by the local school district of Knox 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.