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Delaware counties

Quick answer

Delaware has 3 counties and county equivalents holding 1,005,872 residents. The statewide sales tax base rate is 0% with no local add-ons.

All 3 counties

Ranked by population, Census 2019-2023 ACS 5-year estimates.

CountyPopulationMedian incomeMedian home valueMedian rent
New Castle County573,030$89,901$329,800$1,379
Sussex County247,799$78,162$353,300$1,221
Kent County185,043$72,872$290,600$1,285

Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year

More Delaware data.