Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/MD/CHESTERTOWN

Chestertown ZIP codes, Maryland

Chestertown, MD has 2 ZIP codes (21620 and 21690) and area codes 410, 443 and 667. The largest is 21620.

USPS city name
2 ZIP codes
Population
5,594
Area codes
410, 443, 667

Chestertown in numbers

About 5,594 people live in Chestertown, in 2,195 households. The median household income is $54,346 a year, 48% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $344,000 (18% below the Maryland median), and median gross rent is $1,206 a month. The median age is 32.6; 53.2% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 20 minutes.

Population5,594Chestertown5,594
Households2,195Chestertown2,195
Median age32.6Chestertown32.6Maryland39.4US 38.9
Median household income$54,346Chestertown$54,346Maryland$103,678US $80,734
Median home value$344,000Chestertown$344,000Maryland$419,900US $332,700
Median gross rent$1,206Chestertown$1,206Maryland$1,705US $1,413
Bachelor's degree or higher53.2%Chestertown53.2%Maryland43.4%US 35.7%
Mean commute19.9 minChestertown19.9 minMaryland31.1 minUS 26.4 min
Population density1,944 / sq miChestertown1,944 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Chestertown town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Chestertown

ZIP codes with the USPS city name Chestertown
ZIP City Type Population Median income Median home
21620 Chestertown , MD Standard 13,810 $80,530 $347,500
21690 Chestertown , MD No street area — — —

Map of Chestertown ZIP codes

2162021690

The ZIP codes of Chestertown, MD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Chestertown

The nearest larger towns are Bowleys Quarters (7,006 people, 18 mi), Edgewood (24,922 people, 18 mi) and Joppatowne (14,237 people, 20 mi).

Towns near Chestertown
TownPopulationDistance
Centreville 4,761 12.2 mi
Bowleys Quarters 7,006 17.7 mi
Edgewood 24,922 18.3 mi
Grasonville 3,564 19.2 mi
Abingdon 5,019 20.0 mi
Joppatowne 14,237 20.2 mi
Riverside 6,585 20.2 mi
Edgemere 9,061 20.5 mi
Essex 40,580 20.6 mi
Middle River 31,712 20.7 mi
Chester 4,797 21.2 mi
Aberdeen 17,298 21.3 mi
Stevensville 8,802 21.4 mi
Greensboro 2,634 22.0 mi

More nearby: every ZIP code in Kent County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Chestertown, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/chestertown

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