ZIP Code 57791

ZIP code 57791, near Rapid City, sits in working-class territory, with a median household income of $42,250 and per-capita income of $32,959. Homes here carry a median value of $112,500, and county property taxes run at an effective rate of 1.01%, which works out to roughly $1,136 annually on a house at that median value. Sales tax combines to 5.20%. Incomes and home values both trail statewide norms, so the overall tax picture leans on a sales rate that's below many parts of the country while property taxes stay in line with county averages.