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Delaware Property Tax Data

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ACS 2024 property tax data for 3 counties in DE.

The average median property tax in Delaware is $1,695/year, which is 15% below the national average of $1,993. The average effective tax rate is 0.49% on a median home value of $350,467. Taxes range from $1,222 in Sussex County to $2,499 in New Castle County.

What This Data Tells Us About Delaware

Across 3 counties in Delaware, the average median property tax is $1,695 per year, 15% below the national median of $1,993. The statewide effective rate of 0.49% on a median home value of $350,467 reflects how Delaware's assessment rules and local millage combine at the household level.

Within Delaware, median annual tax ranges from $1,222 in Sussex County (effective rate 0.32%) to $2,499 in New Castle County (effective rate 0.71%). Median home values in Delaware ($350,467) compared with $227,791 nationally help explain why the same effective rate produces different dollar bills in different states. Within-state variation often tracks local school levies, county bonds, and municipal overlays rather than a single statewide rate.

This page is for informational purposes only and is not tax, legal, or financial advice. Figures describe median homeowner households reported to the Census Bureau — individual bills can differ based on assessed value, exemptions, special districts, and local overlays. Always confirm current rates with your county assessor or a qualified professional before making decisions that rely on these numbers.

State Average vs National Average

Median Annual Tax
$1,695
-15% vs US avg
Median Home Value
$350,467
+54% vs US avg
Effective Tax Rate
0.49%
-47% vs US avg

Lowest Property Taxes in Delaware

Counties with the cheapest tax bills →

Highest Property Taxes in Delaware

Counties with the most expensive tax bills →

Top 5 Lowest Tax Counties

1. Sussex County
$1,222
2. Kent County
$1,363
3. New Castle County
$2,499

Top 5 Highest Tax Counties

1. New Castle County
$2,499
2. Kent County
$1,363
3. Sussex County
$1,222

Tax Affordability Score

9.8
Very Affordable

Based on the average effective tax rate of 0.49% compared to the national average of 0.92%. Delaware has below-average property tax rates, making it a more affordable state for homeowners.

Very Expensive Very Affordable

All Counties in Delaware (3)

County Median Tax Effective Rate
Kent County $1,363 0.43%
New Castle County $2,499 0.71%
Sussex County $1,222 0.32%

Frequently Asked Questions

What is the average property tax in Delaware? ▼
The average median property tax paid in Delaware is $1,695 per year, based on ACS 2024 data. The average effective tax rate is 0.49%.
How does Delaware compare to the national average? ▼
Delaware property taxes are 15% below the national average. Homeowners here pay a median of $1,695 per year compared to $1,993 nationally.
Which county in Delaware has the lowest property taxes? ▼
Sussex County has the lowest median property tax in Delaware at $1,222 per year with an effective rate of 0.32%. The highest is New Castle County at $2,499.
How are property taxes calculated? ▼
Property taxes are calculated by multiplying the assessed value of a property by the local tax rate (mill rate). Rates vary by county, city, and school district. The effective tax rate shown here is the median tax paid divided by the median home value, which provides a standardized comparison across counties.
What is the median home value in Delaware? ▼
The median home value across Delaware is $350,467, compared to $227,791 nationally. Home values directly impact property tax bills since taxes are assessed as a percentage of property value.
Can I appeal my property taxes in Delaware? ▼
Yes. Every Delaware homeowner has the right to appeal their property tax assessment. The process typically starts at your county assessor's office within 30-90 days of receiving your assessment notice. You can challenge the assessed value by providing comparable sales data, evidence of property condition, or errors in the assessment. See our guide on how to appeal property taxes for detailed steps.

Property Tax Guides

Property Tax Basics
How property taxes work, who pays, and what determines your bill.
How to Appeal Your Property Tax
Step-by-step guide to challenging your assessment and lowering your tax bill.
Property Tax Exemptions
Common exemptions that can reduce your property tax burden.
States With Lowest Property Taxes
See how Delaware compares to the lowest-tax states in the country.

Related Data for Delaware

Rent Data in Delaware → Cost of Living in Delaware → Schools in Delaware → Tax Data for Delaware →

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial