PlainZIP

Columbia, MD ZIP Codes

3

Total ZIPs

95,072

Total Population

ZIP Codes in Columbia, MD

ZIP Code Population Density Timezone
21044 41,704 1,342 America/New_York
21045 38,288 1,523 America/New_York
21046 15,080 747 America/New_York

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.