There are 9 zip codes in Carroll County, Maryland. The most populated is 21157, located in Westminster. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
21157 | Westminster | 39,816 |
21784 | Sykesville | 37,219 |
21158 | Westminster | 23,011 |
21074 | Hampstead | 15,146 |
21102 | Manchester | 12,024 |
21787 | Taneytown | 10,879 |
21048 | Finksburg | 9,759 |
21776 | New Windsor | 6,434 |
21757 | Keymar | 2,722 |