Ranking of Maryland Counties By Population in 2012

Updated on July 26, 2024.

Based on the US Census Vintage data estimates, in 2012, the Population for Maryland was 5.89M. Among all Maryland counties, Montgomery County had the highest population (1.00M), followed by Prince George's County (882.79K), and Baltimore County (818.22K).

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 2012
Montgomery
Prince George's
Baltimore
Baltimore city
Anne Arundel
Howard
Harford
Frederick
Carroll
Charles
Ranking of Maryland Counties By Population in 2012
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Rank County Population
1 Montgomery County 1005310
2 Prince George's County 882787
3 Baltimore County 818218
4 Baltimore city 623035
5 Anne Arundel County 550476
6 Howard County 299223
7 Harford County 248609
8 Frederick County 239705
9 Carroll County 167085
10 Charles County 150700
11 Washington County 149090
12 St. Mary's County 108847
13 Cecil County 101780
14 Wicomico County 100593
15 Calvert County 89746
16 Allegany County 73966
17 Worcester County 51578
18 Queen Anne's County 48506
19 Talbot County 37995
20 Caroline County 32636
21 Dorchester County 32483
22 Garrett County 29976
23 Somerset County 26044
24 Kent County 19987