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zipcodes.pro — CITY/TN/CASTALIAN-SPRINGS

Castalian Springs ZIP code, Tennessee

The ZIP code for Castalian Springs, TN is 37031, and its area codes are 615 and 629.

USPS city name
1 ZIP code
Population
678
Area codes
615, 629

NANPA lists no telephone rate centre for Castalian Springs itself, so these are the area codes of the nearest one, Lebanon (8.0 miles). A town on an area-code boundary can differ from its neighbour.

Castalian Springs in numbers

About 678 people live in Castalian Springs, in 293 households. The median household income is $57,917 a year, 17% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $283,100 (about the same as the Tennessee median). The median age is 44.1; 30.2% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 28 minutes.

Population678Castalian Springs678
Households293Castalian Springs293
Median age44.1Castalian Springs44.1Tennessee38.9US 38.9
Median household income$57,917Castalian Springs$57,917Tennessee$69,595US $80,734
Median home value$283,100Castalian Springs$283,100Tennessee$286,700US $332,700
Bachelor's degree or higher30.2%Castalian Springs30.2%Tennessee31.1%US 35.7%
Mean commute28.1 minCastalian Springs28.1 minTennessee25.7 minUS 26.4 min
Population density117 / sq miCastalian Springs117 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Castalian Springs CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Castalian Springs

ZIP codes with the USPS city name Castalian Springs
ZIP City Type Population Median income Median home
37031 Castalian Springs , TN Standard 3,926 $98,114 $352,600

Map of Castalian Springs ZIP codes

37031

The ZIP codes of Castalian Springs, TN, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Castalian Springs

The nearest larger towns are Hartsville/Trousdale County (11,957 people, 8.4 mi), Gallatin (48,532 people, 9.0 mi) and Westmoreland (2,845 people, 12 mi).

Towns near Castalian Springs
TownPopulationDistance
Hartsville/Trousdale County 11,957 8.4 mi
Gallatin 48,532 9.0 mi
Westmoreland 2,845 11.9 mi
Lebanon 44,788 14.1 mi
Shackle Island 4,404 17.3 mi
Hendersonville 63,091 17.5 mi
Lafayette 5,727 17.5 mi
Mount Juliet 42,073 18.0 mi
Portland 13,449 18.2 mi
Green Hill 6,866 18.9 mi
White House 14,631 20.6 mi
Millersville 5,836 22.5 mi
Goodlettsville 17,597 22.6 mi
Scottsville, KY 4,427 24.7 mi

More nearby: every ZIP code in Sumner County · Tennessee ZIP codes

Cite this page

zipcodes.pro. “Castalian Springs, TN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tn/castalian-springs

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