Delaware Property Tax Rates 2025

County
Median Property Taxes
With Mortgage
Without Mortgage
New Castle County$2,444$2,481$2,334
Kent County$1,331$1,416$1,098
Sussex County$1,171$1,241$1,041

Tax Rates by County

In Delaware, property tax rates vary by county. The median property tax paid across all 3 counties is $1,648.67. Property taxes are a significant source of local government funding, used to support public schools, infrastructure, and essential services. Delaware residents typically pay moderate property taxes compared to the national average.

Highest Property Taxes

Leading the state in property tax rates, New Castle County County residents contribute a median of $2,444 annually. Property owners with active mortgages face an average payment of $2,481, while those who own their homes outright still pay $2,334. These substantial rates typically correspond to areas with robust public services, high property values, and strong community amenities.

Lowest Property Taxes

At the other end of the spectrum, Sussex County County maintains the most modest property tax burden at $1,171. Mortgage holders in the area can expect to pay approximately $1,241 annually, with mortgage-free homeowners contributing $1,041. These reduced rates often indicate more conservative municipal spending, different funding approaches for public services, or areas with lower property valuations.

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)