ZIP code · Knoxville · Tennessee · United States
ZIP code 37931 — Knoxville
ZIP code 37931 serves Knoxville, Tennessee.
- Postal code
- 37931Single source Value from one source, not cross-checked.
- City
- Knoxville
- County
- Knox FIPS 47093
- State
- Tennessee
- Country
- United States
- Coordinates
- 35.9924, -84.1201 — precision precise (locality)
View on OpenStreetMap - Population
- 31,149 (ZCTA, ACS 5-year)
- Population density
- 1,098 / sq mi
- Land area
- 28.4 sq mi (73.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $91,284
- Per-capita income
- $45,016
- Median age
- 38.2
- Households
- 12,169
- Housing units
- 12,770
- Median home value
- $317,100
- Median gross rent
- $1,450 / month
- Congressional districts
- TN-2 (also TN-3) (119th Congress)
- USDA hardiness zone
- 7b (5 to 10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 865Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 37931 with another ZIP · ZIPs within 25 miles · distance from 37931
Map of ZIP code 37931
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 30°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 48 | 53 | 62 | 72 | 80 | 86 | 89 | 88 | 83 | 72 | 60 | 51 |
| Avg low °F | 30 | 33 | 40 | 48 | 57 | 65 | 69 | 68 | 61 | 49 | 38 | 33 |
| Precip in | 5.1 | 5.6 | 5.1 | 5.2 | 4.1 | 4.5 | 5.5 | 3.5 | 3.8 | 3.1 | 4.6 | 5.4 |
NOAA 1991–2020 climate normals from the nearest station: OAK RIDGE ASOS (6.9 mi) · NOAA NCEI
Places in ZIP 37931
- 15 schools
- 1 colleges & universities
- 3 doctors & dentists
- 3 pharmacies
- 4 supermarkets
- 25 restaurants & cafés
- 13 parks
- 12 playgrounds
- 8 gyms & sports centres
- 1 libraries
- 1 post offices
- 22 places of worship
- 2 banks
- 10 gas stations
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page