Ranking of Delaware Cities and Places By Percentage of Population with Unclassified Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 248.41K people in Delaware with Unclassified ancestry (25.30% of Delaware population). Among all Delaware cities and places with a population of at least 10K, Wilmington city had the highest percentage of its population with Unclassified ancestry (39.19%), followed by Middletown town (30.96%), and Brookside CDP (29.41%).

The chart and table below shows the top 10 cities with high percentage of its population having Unclassified ancestry.

You can see similar information for other states and for other ancestry groups in Delaware.

Data Source: US Census Bureau.
Ranking of Delaware Cities and Places By Percentage of Population with Unclassified Ancestry in 2021
Wilmington city
Middletown town
Brookside CDP
Bear CDP
Newark city
Pike Creek Valley CDP
Smyrna town
Hockessin CDP
Dover city
Milford city
Ranking of Delaware Cities and Places By Percentage of Population with Unclassified Ancestry in 2021
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Rank Ciy or Place Percentage of Pop. (%)
1 Wilmington city 39.19
2 Middletown town 30.96
3 Brookside CDP 29.41
4 Bear CDP 28.39
5 Newark city 27.90
6 Pike Creek Valley CDP 27.20
7 Smyrna town 26.66
8 Hockessin CDP 24.65
9 Dover city 19.56
10 Milford city 18.69
11 Glasgow CDP 17.79