Ranking of Maryland Counties By Population in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the Population for Maryland was 6.18M. Among all Maryland counties, Montgomery County had the highest population (1.06M), followed by Prince George's County (947.43K), and Baltimore County (844.70K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Maryland counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Maryland Counties By Population in 2023
Montgomery
Prince George's
Baltimore
Anne Arundel
Baltimore city
Howard
Frederick
Harford
Carroll
Charles
Ranking of Maryland Counties By Population in 2023
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Rank County Population
1 Montgomery County 1058474
2 Prince George's County 947430
3 Baltimore County 844703
4 Anne Arundel County 594582
5 Baltimore city 565239
6 Howard County 336001
7 Frederick County 293391
8 Harford County 264644
9 Carroll County 176639
10 Charles County 171973
11 Washington County 155813
12 St. Mary's County 115281
13 Cecil County 105672
14 Wicomico County 104800
15 Calvert County 94728
16 Allegany County 67273
17 Worcester County 54171
18 Queen Anne's County 52508
19 Talbot County 37823
20 Caroline County 33593
21 Dorchester County 32879
22 Garrett County 28423
23 Somerset County 24910
24 Kent County 19303