ZIP code 21640

21640 is in Caroline County, Maryland.

1,163Residents

$53,558Median household income

$268,500Median home value

39.9Median age

14%Adults with a bachelor’s degree or higher

92%Homes lived in by their owners

5.0×Home value to household income

Other ZIP codes in Caroline County

21629 $73,956
21632 $61,316
21655 $90,385
21639 $62,772
21660 $80,469
21636 $73,426
21641 $66,875

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Source: Census ACS 2024 ACS 5-year, ZIP code tabulation areas. ZCTAs approximate postal ZIP codes and can differ from them. Small areas carry larger margins of error.