Population in Maryland by County

Total population.

U.S. Census Bureau · ACS 5-year 2020-2024 · Updated November 2026

Maryland

6,206,011

Counties

24

Highest

Montgomery

1,065,949

Lowest

Kent

19,346

All Maryland counties, ranked

# Counties Population
1 Montgomery 1,065,949
2 Prince George's 959,754
3 Baltimore 850,796
4 Anne Arundel 598,166
5 Baltimore 573,243
6 Howard 336,328
7 Frederick 287,048
8 Harford 263,757
9 Carroll 175,321
10 Charles 170,527
11 Washington 155,709
12 St. Mary's 115,126
13 Cecil 104,960
14 Wicomico 104,914
15 Calvert 94,313
16 Allegany 67,452
17 Worcester 53,700
18 Queen Anne's 51,825
19 Talbot 37,917
20 Caroline 33,669
21 Dorchester 32,754
22 Garrett 28,615
23 Somerset 24,822
24 Kent 19,346

About this dataset

Total population. Source: ACS 5-year 2020-2024 Data Profile, variable DP05_0001E. Values in people.

Source
U.S. Census Bureau
Citation
U.S. Census Bureau, American Community Survey 5-Year Estimates Data Profiles (2020-2024), DP05_0001E
Vintage
ACS 5-year 2020-2024
License
Public domain (U.S. Census Bureau)
Unit
people
Available at
State · County · ZIP code
Territory roll-up
Summed across each territory
Last loaded
November 2026

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Population by county in other states

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US Population nationwide