Maryland Counties by Population

Below are the 24 Maryland counties sorted by population from largest to smallest. The population data are from the 2022 Population Estimates Program and 2021 American Community Survey.

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Rank County Population
1 Montgomery County 1,052,521
2 Prince George's County 946,971
3 Baltimore County 846,161
4 Anne Arundel County 593,286
5 Baltimore city/county 569,931
6 Howard County 335,411
7 Frederick County 287,079
8 Harford County 263,867
9 Carroll County 175,305
10 Charles County 170,102
11 Washington County 155,590
12 St. Mary's County 114,877
13 Cecil County 104,942
14 Wicomico County 104,664
15 Calvert County 94,573
16 Allegany County 67,267
17 Worcester County 53,866
18 Queen Anne's County 51,711
19 Talbot County 37,932
20 Caroline County 33,433
21 Dorchester County 32,726
22 Garrett County 28,579
23 Somerset County 24,546
24 Kent County 19,320

United States Census Bureau. B01001 SEX BY AGE, 2021 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 8 December 2022. http://www.census.gov/.

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2022. U.S. Census Bureau, Population Division. Web. May 2023. http://www.census.gov/.

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