Ranking of Delaware Counties By Total Population from Census 2020
Updated on February 7, 2023.
According to the data from the US 2020 Census, the most populated Delaware county as at April 2020 was New Castle County (570.72K), followed by Sussex County (237.38K), and Kent County (181.85K).
The chart below shows the top 3 most populated counties, and the table below shows the ranking of all the counties in the state of Delaware.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: Delaware Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Delaware Counties By Total Population from Census 2020
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| Rank | County | Population |
|---|---|---|
| 1 | New Castle County | 570719 |
| 2 | Sussex County | 237378 |
| 3 | Kent County | 181851 |