There are 9 cities in St. Mary's County, Maryland.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
California1Maryland13,63514,730 1,06012.87
Lexington Park2Maryland13,53712,934 2,4085.62
Leonardtown3Maryland5,2434,5863.33%1,3783.80
Golden Beach4Maryland3,9333,620 1,0373.79
Mechanicsville5Maryland1,7831,724 3445.19
Charlotte Hall6Maryland1,4101,740 2785.06
Piney Point7Maryland1,0331,036 6751.53
Tall Timbers8Maryland480570 3491.38
St. George Island9Maryland208426 2640.79
showing: 9 rows

Cities in St. Mary's County, Maryland by Population (2024)

What is the largest city in St. Mary's County, Maryland?

California is the largest city in St. Mary's County.

What is the smallest city in St. Mary's County, Maryland?

St. George Island is the smallest city in St. Mary's County.

How many cities are in St. Mary's County?

There are 9 cities in St. Mary's County, Maryland.

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