Ranking of Delaware Counties By Population Density from Census 2020

Updated on October 17, 2023.

According to the data from the US 2020 Census, as at April 2020, among all Delaware counties, New Castle County had the highest population density per square mile (1.34K people per sqr mile), followed by Kent County (310.29 people per sqr mile), and Sussex County (253.57 people per sqr mile).

The chart below shows the top 3 counties with high population density, and the table below shows the ranking of all Delaware counties.

You can also see similar ranking of counties information for other states as well as for all counties in the United States.

Ranking of Delaware Counties By Population Density from Census 2020
New Castle
1.34K
Kent
310.29
Sussex
253.57
Ranking of Delaware Counties By Population Density from Census 2020
Rank
County
Population Density
1 New Castle County 1,338.66
2 Kent County 310.29
3 Sussex County 253.57
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