countyscore

Best Property Tax Counties in Delaware

Effective property tax rate vs national benchmarks Compare rankings across all 3 counties.

Average Property Tax Score
82/100
Top County
Sussex County
Counties Ranked
3

Top 10

#1
Sussex County
DE
97/100
#2
Kent County
DE
90/100
#3
New Castle County
DE
59/100

All Delaware Counties Ranked

#CountyProperty Tax ScoreOverall Score
1Sussex County, DE
97.1
50.4
2Kent County, DE
89.9
44.2
3New Castle County, DE
58.6
44.3

Data Source

Property Tax data from TaxByCounty. See full details at TaxByCounty. Data updated February 2026.