ZIP code · College Grove · Tennessee · United States
ZIP code 37046 — College Grove
ZIP code 37046 serves College Grove, Tennessee.
- Postal code
- 37046Single source Value from one source, not cross-checked.
- City
- College Grove
- County
- Williamson FIPS 47187
- State
- Tennessee
- Country
- United States
- Coordinates
- 35.7832, -86.7495 — precision precise (locality)
View on OpenStreetMap - Population
- 6,632 (ZCTA, ACS 5-year)
- Population density
- 93 / sq mi
- Land area
- 71.4 sq mi (184.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $162,712
- Per-capita income
- $91,200
- Median age
- 45.5
- Households
- 2,503
- Housing units
- 2,740
- Median home value
- $842,900
- Median gross rent
- $3,500+ / month
- Congressional districts
- TN-5 (also TN-4) (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
- 615Telephone 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 37046 with another ZIP · ZIPs within 25 miles · distance from 37046
Map of ZIP code 37046
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 29°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 48 | 51 | 61 | 71 | 79 | 87 | 89 | 89 | 84 | 73 | 61 | 51 |
| Avg low °F | 29 | 32 | 39 | 47 | 57 | 66 | 69 | 69 | 62 | 49 | 38 | 32 |
| Precip in | 4.6 | 5.2 | 5.0 | 5.3 | 5.1 | 4.6 | 4.6 | 3.6 | 4.1 | 3.8 | 4.2 | 5.8 |
NOAA 1991–2020 climate normals from the nearest station: THOMPSON STN (10.3 mi) · NOAA NCEI
Places in ZIP 37046
- 3 schools
- 1 parks
- 3 playgrounds
- 1 libraries
- 1 post offices
- 12 places of worship
- 1 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