Property Tax by County in Delaware (2026)
Compare effective property tax rates, median home values, and annual tax bills for every county in Delaware.
Last reviewed:
State Avg Rate
0.51%
effective rate
Counties
3
in dataset
Highest Rate
0.74%
New Castle
Lowest Rate
0.33%
Sussex
All Counties in Delaware
| County | Effective Rate | Median Home | Avg Annual Tax |
|---|---|---|---|
| Kent County | 0.46% | $291K | $1,331 |
| New Castle County | 0.74% | $330K | $2,444 |
| Sussex County | 0.33% | $353K | $1,171 |
Data: Effective rates are based on 2023 ACS 5-year estimates (median annual tax ÷ median home value). Rates reflect all local levies. Individual bills depend on assessed value, exemptions, and millage rates. Rates are color-coded vs. the Delaware average of 0.51% — red = above, green = below.