Largest Cities in Delaware by Population

The top 19 of 19 Delaware cities on GIS Map, ranked by total population.

#	City	County	Population
1	Wilmington	New Castle	71,727
2	Dover	Kent	39,837
3	Newark	New Castle	30,330
4	Middletown	New Castle	24,661
5	Bear	New Castle	22,370
6	Hockessin	New Castle	13,439
7	Smyrna	Kent	13,165
8	Milford	Kent/Sussex	12,803
9	Claymont	New Castle	8,786
10	Seaford	Sussex	8,485
11	Georgetown	Sussex	7,660
12	Pike Creek	New Castle	7,129
13	Elsmere	New Castle	6,203
14	New Castle	New Castle	5,579
15	Laurel	Sussex	4,152
16	Camden	Kent	4,106
17	Harrington	Kent	3,838
18	Lewes	Sussex	3,505
19	Rehoboth Beach	Sussex	1,370

Top Delaware Counties

Counties ranked by total population.

1. New Castle County577,961 2. Sussex County255,626 3. Kent County187,604

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates. Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Largest Cities in Delaware by Population”, https://gismap.land/rankings/delaware/largest-cities. Figures from U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.

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