Rockville, MD ZIP Codes

Total ZIPs

130,569

Total Population

ZIP Codes in Rockville, MD

ZIP Code	Population	Density	Timezone
20850	46,340	1,269	America/New_York
20852	40,365	1,871	America/New_York
20853	29,673	1,267	America/New_York
20851	14,191	2,316	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.