ZIP code · Cedar Grove · Tennessee · United States
ZIP code 38321 — Cedar Grove
ZIP code 38321 serves Cedar Grove, Tennessee.
- Postal code
- 38321Single source Value from one source, not cross-checked.
- City
- Cedar Grove
- County
- Carroll FIPS 47017
- State
- Tennessee
- Country
- United States
- Coordinates
- 35.8613, -88.5517 — precision precise (locality)
View on OpenStreetMap - Population
- 2,629 (ZCTA, ACS 5-year)
- Population density
- 29 / sq mi
- Land area
- 91.9 sq mi (237.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $62,269
- Per-capita income
- $25,071
- Median age
- 41.8
- Households
- 1,039
- Housing units
- 1,177
- Median home value
- $125,000
- Median gross rent
- $654 / month
- Congressional district
- TN-8 (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/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 731Telephone 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 38321 with another ZIP · ZIPs within 25 miles · distance from 38321
Map of ZIP code 38321
Climate — monthly normals
Warmest month Jul (avg high 90°F), coldest Jan (avg low 28°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 48 | 53 | 62 | 72 | 80 | 87 | 90 | 90 | 84 | 74 | 61 | 51 |
| Avg low °F | 28 | 31 | 39 | 47 | 58 | 66 | 70 | 67 | 59 | 47 | 37 | 31 |
| Precip in | 4.2 | 4.7 | 5.3 | 5.3 | 6.2 | 4.4 | 4.3 | 3.7 | 4.2 | 3.7 | 4.8 | 5.4 |
NOAA 1991–2020 climate normals from the nearest station: MILAN EXP STN (11.0 mi) · NOAA NCEI
Places in ZIP 38321
- 4 schools
- 1 post offices
- 14 places of worship
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