Alton, IA — income, home value, property tax, and sales tax.
Households in the 51003 ZIP code, near Alton, earn a median of $101,250, with per-capita income at $44,417 — placing the area squarely in middle- to upper-middle-income territory rather than among Iowa's wealthiest communities. Median home values sit at $232,700, and the county-level effective property tax rate of 1.12% means property taxes take a meaningful bite out of ownership costs. Add a combined sales tax of 7.00%, and the overall tax picture reflects a community where earnings are solid but not extravagant, and where homeowners shoulder a real, ongoing tax obligation alongside their mortgage.
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