About 21620 - Chestertown, Maryland
Located in Maryland, the United States is home to the densely populated community of Chestertown, served by ZIP code 21620. It sits within Chestertown County.
Around 41,449 people live in the 21620 ZIP code area. That's noticeably above the average for a Maryland ZIP code, which sits near 23,118 people.
Median household income is about $88,600 (near the Maryland average).
This ZIP code sits alongside neighboring areas like Essex, White Marsh, Frederick within Maryland.