Youngest Cities in Delaware

The top 19 of 19 Delaware cities on GIS Map, ranked by lowest median age.

#	City	County	Median age	Population
1	Newark	New Castle	22.1 years	30,330
2	Harrington	Kent	32.2 years	3,838
3	Laurel	Sussex	33 years	4,152
4	Smyrna	Kent	34.3 years	13,165
5	Dover	Kent	34.7 years	39,837
6	Georgetown	Sussex	35.4 years	7,660
7	Elsmere	New Castle	35.5 years	6,203
8	Camden	Kent	36.5 years	4,106
9	Wilmington	New Castle	37 years	71,727
10	Bear	New Castle	37.9 years	22,370
11	Middletown	New Castle	38.7 years	24,661
12	Seaford	Sussex	41.1 years	8,485
13	Claymont	New Castle	41.5 years	8,786
14	Milford	Kent/Sussex	41.9 years	12,803
15	Pike Creek	New Castle	45.3 years	7,129
16	Hockessin	New Castle	46.3 years	13,439
17	New Castle	New Castle	48.5 years	5,579
18	Rehoboth Beach	Sussex	62.9 years	1,370
19	Lewes	Sussex	67.2 years	3,505

Top Delaware Counties

Counties ranked by lowest median age.

1. Kent County38.8 years 2. New Castle County39.3 years 3. Sussex County51.9 years

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, “Youngest Cities in Delaware”, https://gismap.land/rankings/delaware/youngest-cities. Figures from U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.

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