Caroline County, Maryland Zip Codes

Zip Code	City	Population
21629	Denton	9,988
21632	Federalsburg	6,504
21655	Preston	4,753
21639	Greensboro	4,734
21660	Ridgely	4,100
21640	Henderson	1,374
21636	Goldsboro	824
21641	Hillsboro	149

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.