Delaware has 3 counties. The largest is New Castle County (570,567 people) and the smallest is Kent County (182,400). Median home values run from $372K in Kent County to $490K in Sussex County (Zillow ZHVI 2024). Effective property tax rates range from 0.35% in Sussex County to 0.76% in New Castle County (Tax Foundation 2023). Median household income is highest in New Castle County ($85K) and lowest in Kent County ($69K) (Census ACS 2022). Pick a county below for its full profile, or open the county map to filter by your own ranges.
Loading Delaware counties...