Bison, SD — income, home value, property tax, and sales tax.
Households in ZIP code 57640, near Bison, report a median income of $250,001, while per-capita income reaches $622,346. A median home value of $337,500 carries a county-level effective property tax rate of 1.29%, and the combined sales tax rate sits at 4.20%. Together these figures sketch a picture of high earning power paired with a housing market that, by price alone, trails what such incomes might support elsewhere. The property tax rate applies county-wide rather than to this ZIP specifically, and the sales tax rate reflects combined state and local charges on purchases made here.