Delaware homeowners paid a median $1,768 a year in property tax, an effective rate of 0.50%. The lowest county is Sussex County (0.32%) and the highest is New Castle County (0.71%) (Census 2020–2024).
0.94%United States
5 lowest-tax counties
5 highest-tax counties
All 3 Delaware counties, lowest rate first
| # | County | Median tax | Median value | Rate |
|---|---|---|---|---|
| 1 | Sussex County | $1,222 | $382,600 | 0.32% |
| 2 | Kent County | $1,363 | $316,600 | 0.43% |
| 3 | New Castle County | $2,499 | $352,200 | 0.71% |
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25103 (median real estate taxes paid), B25077 (median home value), B25003, B25088, B19013 and B01003. These are 2020–2024 medians reported by owner-occupants, not 2026 tax bills or official mill rates. The effective rate here is median tax ÷ median home value. Actual bills depend on assessed value, exemptions (homestead, senior, veteran) and local levies. Check with your county assessor or treasurer. Not tax advice.
Frequently asked questions
What county has the lowest property tax in Delaware?
Sussex County, with a median effective rate of 0.32% ($1,222 median tax), per Census 2020–2024.
What county has the highest property tax in Delaware?
New Castle County at 0.71% ($2,499 median tax).
How much is property tax in Delaware?
Delaware homeowners paid a median $1,768 a year in property tax, an effective rate of 0.50%. The lowest county is Sussex County (0.32%) and the highest is New Castle County (0.71%) (Census 2020–2024).