PlainZIP

College Grove, TN

Single-footprint Census roll-up for College Grove, TN: 1 USPS ZIP, population 3,665. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet COLLEGE-GROVE-TN · College Grove, TN 1 ZIPs · 3,665 pop · #406/25278 · Williamson County

INC-TOP · RANK-TOP · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-TOP

  • INC-TOP $178,228
  • RANK-TOP #406/25278
  • ABOVE-PEER over Brentwood
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 88% owners
  • POP-VILLAGE 3,665
  • SPREAD-UNK Single-ZIP book
  • HOME-TOP $979,900

Nearest income peer: Brentwood, TN ( $23,650 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around College Grove

Lowest/highest poles plus county-sharing cities nearest College Grove on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, College Grove, TN sits among US cities with a top-decile household income, on a village-scale population base, across a single-ZIP footprint.

Top 2%
household income vs 25,278 US cities
3,665
city population (Census)
1
USPS ZIP codes covered
$178,228
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $178,228 and home value $979,900 should be read as near-neighborhood numbers ; bachelor's attainment averages 63.8%.

Owner-occupancy here runs high (87.9%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Tennessee, Elkton is the closest lower-income city and Lookout Mountain the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for College Grove.

Population concentration

College Grove reads through its lone ZIP, 37046

3,665 ACS residents, one ZIP: 37046 is not the leading code inside College Grove, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Dense ZBP book packed into College Grove's one ZIP

Citywide ZBP: 150 establishments, 1,283 employees , annual payroll $76,055k (~41 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 37046 (150 units) ; leading NAICS Construction (29) · also Professional, scientific, and technical services · Retail trade .

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ZIP Codes in College Grove, TN

These ZIP codes sit in Williamson County, which covers 12 ZIP codes in all; 1 of them fall in College Grove. See the Williamson County roll-up →

No other city sharing Williamson County reports a higher average ZIP median income than College Grove. Franklin, Brentwood and Spring Hill sit below it, so a household comparing this county on income alone starts here. Primm Springs marks the far end of that range at $83,654, 53% below College Grove.

ZIP Code Population Median income Establishments Density
37046 3,665 $178,228 150 20
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

College Grove roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving College Grove, .