Delaware

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Delaware counties by population

Number of counties: 3
Population: 981,892
Largest county: New Castle County
Table of counties in Delaware sorted by population from largest to smallest.
CountyPopulation
New Castle County567,769
Sussex County234,045
Kent County180,078

What is the largest county in Delaware?

New Castle County is the largest county in Delaware with a population of 567,769.

TOP-5 counties by population in Delaware:
  • New Castle County
  • Sussex County
  • Kent County