Ranking of Maryland Counties By Population in 2022

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2022, the Population for Maryland was 6.19M. Among all Maryland counties, Montgomery County had the highest population (1.06M), followed by Prince George's County (953.61K), and Baltimore County (848.87K).

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 2022
Montgomery
Prince George's
Baltimore
Anne Arundel
Baltimore city
Howard
Frederick
Harford
Carroll
Charles
Ranking of Maryland Counties By Population in 2022
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Rank County Population
1 Montgomery County 1061132
2 Prince George's County 953609
3 Baltimore County 848873
4 Anne Arundel County 598751
5 Baltimore city 570663
6 Howard County 336439
7 Frederick County 288316
8 Harford County 263908
9 Carroll County 175569
10 Charles County 170376
11 Washington County 155407
12 St. Mary's County 115001
13 Wicomico County 104985
14 Cecil County 104939
15 Calvert County 94652
16 Allegany County 67241
17 Worcester County 54004
18 Queen Anne's County 51803
19 Talbot County 37959
20 Caroline County 33539
21 Dorchester County 32599
22 Garrett County 28619
23 Somerset County 24696
24 Kent County 19360