ZIP Code 51031

ZIP code 51031, in the Sioux City area, sits squarely in middle-income territory. Households here earn a median of $76,525, while per-capita income reaches $38,599. Homes are valued at a median of $222,800, and the county-level property tax rate of 1.07% means owners pay roughly $2,384 annually on a house at that value. Add a combined sales tax of 7.00%, and the overall tax picture reflects a community where earnings are steady but not high enough to absorb steep costs. This is a working- to middle-income area balancing everyday expenses against modestly priced housing.