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Chestertown, MD ZIP codes

Chestertown, Maryland has 2 ZIP codes, including 1 PO Box ZIP. They are in Kent County and Queen Anne's County.

Population in these ZIPs
13,810
Avg. median income
$80,500population-weighted
Typical home value
$389,100population-weighted
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ZIP codes within 10 miles

Chestertown, MD ZIP codes list

Chestertown, MD ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
21620Kent County13,810$80,530$389,100
21690 PO BoxQueen Anne's County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Chestertown

Frequently asked questions

What is the ZIP code for Chestertown, MD?

Chestertown, MD has 2 ZIP codes: 21620 and 21690.

What county is Chestertown, Maryland in?

Chestertown ZIP codes are in Kent County and Queen Anne's County.

Which Chestertown ZIP codes are PO Boxes?

21690 is a PO Box or single-organization ZIP code; it has no residential delivery area.