ZIP codes in Kent County
9 ZIPs touch Kent County, Maryland. The blue dashed line is the county border; orange ZIPs reach into it.
9
ZIP codes
2
cross the county line
24,362
people in these ZIPs
24
counties in MD
Most people
Kent County ZIP list
More counties in Maryland
- Charles County28
- Dorchester County18
- Frederick County39
- Garrett County13
- Harford County25
- Howard County28
- Montgomery County83
- Prince George's County67
- Queen Anne's County19
- Somerset County13
- St. Mary's County29
- Talbot County16
Questions people actually ask
How many ZIP codes are in Kent County, Maryland?
9 ZIP codes reach into Kent County. 2 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Kent County has the most people?
21620 (Chestertown) has about 13,810 residents, the most of any ZIP touching Kent County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Kent County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Kent County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from