ZIP Code 37031

Households in ZIP code 37031, centered on Castalian Springs, earn a median of $98,114, placing the area squarely in middle- to upper-middle-income territory rather than among the working class. Per-capita income sits at $44,690, and homes carry a median value of $352,600. Property taxes are collected at the county level at an effective rate of 0.51%, one of the lower shares of home value a buyer might encounter. Sales taxes, by contrast, reach 9.25% on purchases, so everyday spending carries more weight here than the annual property tax bill does.