ZIP Code 57231

ZIP code 57231, centered on Oldham, sits in middle-income territory, with a median household income of $78,646 and per-capita income of $41,058. Homes here carry a median value of $212,200, and the county-level property tax rate of 1.00% means owners pay roughly $2,122 annually on a house at that median value. Sales tax across the area totals 6.20%, adding a bit to everyday purchases. Taken together, the tax load stays fairly contained against local earnings, neither especially heavy nor especially thin for a working- to middle-income community.