There are 22 zip codes in Baltimore City County, Maryland. The most populated is 21215, located in Baltimore. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
2121553,674Baltimore
2120651,020Baltimore
2121846,548Baltimore
2122444,915Baltimore
2122944,332Baltimore
2121233,861Baltimore
2123032,883Baltimore
2121731,634Baltimore
2120929,960Baltimore
2121328,862Baltimore
2123928,417Baltimore
2121628,385Baltimore
2121421,510Baltimore
2122320,728Baltimore
2120220,115Baltimore
2120118,305Baltimore
2121115,935Baltimore
2121015,005Baltimore
2123114,780Baltimore
2120514,684Baltimore
21233Baltimore
21287Baltimore
showing: 22 rows

Zip Codes in Baltimore City County, Maryland by Population (2024)