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ZIP code

37031

Castalian Springs, TN

STANDARD

37031 covers Castalian Springs in Sumner County, with 3,984 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

3,984

Median household income

$86,380

Median home value

$303,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 37031. Methodology

ZIP code map of 37031

Census ZCTA boundary for ZIP 37031 in Castalian Springs, Tennessee
Census ZCTA boundary for ZIP 37031 in Castalian Springs, Tennessee. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 37031

Type

STANDARD

Timezone

America/Chicago

Area codes

615, 629

Land area

38.3 sq mi

Water area

1.76 sq mi

Households

1,780

Median gross rent

$1,005

Acceptable cities: Castalin Spgs

More enterprise fields

Timezone
America/Chicago
Area Codes
615, 629
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 37031. Not ACS. Methodology

People in 37031

Race

  • White3,853
  • Black or African American123
  • American Indian or Alaska Native10
  • Asian20
  • Native Hawaiian and Pacific Islander1
  • Other race54
  • Two or more races235

Hispanic or Latino (any race): 148

Age

  • Under 10534
  • 10 to 19487
  • 20 to 29401
  • 30 to 39503
  • 40 to 49592
  • 50 to 59730
  • 60 to 69618
  • 70 to 79296
  • 80 and older135

Income and housing in 37031

Poverty rate

6.3%

Median earnings

$44,269

Median household income

$86,380

Median home value

$303,200

Median gross rent

$1,005

Education

  • High school graduate93.0%
  • Bachelor's degree21.4%
  • Graduate degree7.4%

Places covering 37031

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

62.7% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 37031

IRS populationACS population
4,7512,375020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
20053,243
20063,328
20073,636
20083,516
20093,463
20103,422
20113,8113,475
20123,9483,620
20133,8923,570
20144,0143,650
20154,3993,660
20163,8543,760
20173,7403,770
20184,1983,920
20194,2813,960
20204,1494,160
20214,1374,190
20224,0894,370
20233,984

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 37031

12 nearest ZIP centroids (any distance)

  1. 37087Lebanon8.0 miPop 55,235 · Income $80,978
  2. 37066Gallatin8.7 miPop 62,404 · Income $78,049
  3. 37074Hartsville8.9 miPop 10,999 · Income $62,931
  4. 37022Bethpage9.5 miPop 6,036 · Income $61,250
  5. 37151Riddleton15.1 miPop 467 · Income $98,665
  6. 37057Dixon Springs15.3 miPop 691 · Income $86,875
  7. 37186Westmoreland15.8 miPop 10,644 · Income $57,133
  8. 37075Hendersonville16.9 miPop 72,541 · Income $97,597
  9. 37122Mount Juliet17.2 miPop 66,348 · Income $109,306
  10. 37148Portland17.6 miPop 25,421 · Income $77,684
  11. 37048Cottontown17.9 miPop 6,325 · Income $98,012
  12. 37090Lebanon18.1 miPop 17,929 · Income $85,048

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 37031, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.

37031 Castalian Springs, TN

Looking up ZIP codes within 2 miles of 37031 Castalian Springs, TN, measured by centroid distance.

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Households

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Avg median income

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ZIP code 37031 FAQ

What city is ZIP code 37031 in?
37031 is in Castalian Springs, TN.
What county is 37031 in?
37031 is in Sumner County.
What is the median household income in 37031?
The median household income in 37031 is $86,380.
Which ZIP codes are near 37031?
Use the radius tool on this page to list ZIP codes within a chosen distance of 37031.