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List of Cities and Counties in Delaware
Discover Delaware population facts easily with our list of counties and cities. Find out how many people live in each area, from big cities to small towns, and see how Delaware’s population is spread out across the state.
Delaware Counties by Population
A county is an administrative subdivision of a US state or territory. As of 2022, Delaware is divided into 3 counties, the least number of Counties in any state in the United States.
read about the Population of Delaware
| # | County | Population | Area (sq. mi.) | Density ( people/sq. miles) |
| 1 | New Castle County | 571,708 | 494 | 1,157.30 |
| 2 | Sussex County | 247,527 | 1,196 | 206.96 |
| 3 | Kent County | 184,149 | 800 | 230.19 |
Source: US Census report 2021
read about the race and ethnicity in Delaware
Top Cities in Delaware by population
Delaware is divided into three counties and contains 57 incorporated places consisting of cities, towns, and villages. The most populated city in Delaware is Wilmington with 70,898 residents. Its followed by Dover (39,403) and Newark (30,601)
let’s have a look at the Top Cities by population in Delaware
| # | City | Population |
| 1 | Wilmington | 70,898 |
| 2 | Dover | 39,403 |
| 3 | Newark | 30,601 |
| 4 | Middletown | 23,192 |
| 5 | Bear | 23,060 |
| 6 | Glasgow | 15,288 |
| 7 | Brookside | 14,974 |
| 8 | Hockessin | 13,478 |
| 9 | Smyrna | 12,883 |
| 10 | Pike Creek Valley | 11,692 |
also read about religion in Delaware
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