There are 17 zip codes in Kent County, Delaware. The most populated is 19901, located in Dover. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1990139,097Dover
1990437,387Dover
1997726,204Smyrna
1993414,566Camden Wyoming
1994312,600Felton
1996212,277Magnolia
1995210,602Harrington
199389,240Clayton
199465,497Frederica
199534,972Hartly
199541,688Houston
199641,599Marydel
19979541Viola
19955384Kenton
19936222Cheswold
19980152Woodside
1990264Dover Afb

Zip Codes in Kent County, Delaware by Population (2024)