Map of Delaware

Click Delaware to zoom in and explore counties. Click any other state to visit its page.

How many counties are in Delaware?

Delaware has 3 counties. The list below includes each county, its FIPS code, and population.

Total counties 3 Current county count for Delaware.

Largest by population New Castle County 578,592 residents

Smallest by population Kent County 189,789 residents

Delaware county table

County list for Delaware with county FIPS codes and population totals.

County	State	County FIPS	Population
New Castle County	DE	10003	578,592
Sussex County	DE	10005	263,509
Kent County	DE	10001	189,789

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