Delaware · FIPS 10003 · ACS 2020–2024
New Castle County, Delaware property tax rate
Homeowners in New Castle County paid a median of $2,499 a year in real estate taxes on a median home value of $352,200 (2020–2024 survey). Taxes came to 0.72% of home value, 34% above the Delaware rate of 0.54% and 23% below the U.S. rate of 0.94%.
- 0.72%Effective tax rate±0.02% margin · Delaware: 0.54%
- $2,499Median tax per yearDelaware: $1,768 · U.S.: $3,119
- $352,200Median home valueDelaware: $352,000
- 154,724Owner-occupied homes69% of households own
| Measure | New Castle County | Delaware | U.S. | New Castle County 2019–2023 | Change |
|---|---|---|---|---|---|
| Effective tax rate | 0.72% | 0.54% | 0.94% | 0.72% | no change |
| Median tax, all owners | $2,499 | $1,768 | $3,119 | $2,444 | +$55 (+2.3%) |
| Median tax, with a mortgage | $2,517 | $1,863 | $3,489 | $2,481 | +$36 (+1.5%) |
| Median tax, no mortgage | $2,446 | $1,562 | $2,576 | $2,334 | +$112 (+4.8%) |
| Median home value | $352,200 | $352,000 | $332,700 | $329,800 | +$22,400 (+6.8%) |
| Total taxes paid | $431,926,200 | $629,780,000 | $360,573,527,500 | $411,332,200 |
How New Castle County compares
- Per $1,000 of home value, owners here paid about $7.20 a year, against $5.37 statewide and $9.40 nationally.
- Rank in Delaware: 3 of 3 counties from lowest to highest effective rate (among those with reliable estimates). Nationally, 45% of 2,682 counties had a lower rate.
- Homes with a mortgage: 0.72% of value; homes without one: 0.72%. Median bills: $2,517 and $2,446.
- Compared with the 2019–2023 survey, the effective rate fell (no change) and the median tax changed +$55 (+2.3%). The two 5-year surveys share four years of responses, so year-to-year moves are small and partly noise.
- Margin of error: the effective rate is 0.72% ± 0.02% at 90% confidence, from a sample of the 154,724 owner-occupied homes.
Delaware counties with similar rates
| County | Effective rate | Median tax | Median value |
|---|---|---|---|
| Sussex County | 0.31% | $1,222 | $382,600 |
| Kent County | 0.43% | $1,363 | $316,600 |
Sources
- U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, table-based summary file: B25090 (aggregate real estate taxes), B25082 (aggregate home value), B25103 (median real estate taxes), B25077 (median home value) and B25003 (tenure); files dated January 29, 2026.
- U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates, same tables (files dated October 31, 2024), for the comparison column.
- Geography names: Census Bureau Geos20245YR.txt (file dated January 22, 2026).
Effective rate = total real estate taxes paid by owner-occupied homes ÷ their total value, as reported by owners to the Census Bureau. It is not a millage rate. Your bill depends on your assessed value, exemptions (such as homestead) and local levies.