Ranking of Delaware Counties By Population in 2021
Updated on August 1, 2024.
Based on the US Census Vintage data estimates, in 2021, the Population for Delaware was 1.00M. Among all Delaware counties, New Castle County had the highest population (572.03K), followed by Sussex County (247.81K), and Kent County (185.04K).
The chart below shows the top 3 counties, and the table below shows the ranking of all Delaware counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: Delaware Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
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Ranking of Delaware Counties By Population in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | New Castle County | 572029 |
| 2 | Sussex County | 247809 |
| 3 | Kent County | 185043 |