37031 Frequently Asked Questions

A: ZIP Code 37031 is Located in Castalian Springs Tennessee. Portions of 37031 are also in Hartsville.

A: ZIP Code 37031 is Located Primarily in Sumner County Tennessee with Portions in Trousdale County.

A: The Current Sales Tax in ZIP Code 37031 is 9.2%

A: The Area Codes for 37031 are 615 and 629

A: ZIP Code 37031 is in the Tennessee 6th Congressional District.

A: ZIP Code 37031 is in Tennessee State House of Representatives District 35.

A: ZIP Code 37031 is in Tennessee State Senate District 18.

A: The 2022 population of ZIP Code 37031 is 4089. The population growth rate in 37031 is 10.61%. The population density of 37031 is 99.

A: The majority race/ethnicity of people residing in 37031 is White (96.19%).

A: The median household income in 37031 is $77,361 (2021) and the average adjusted income is $321,370 (2021).