Ranking of Maryland Counties By Non-Hispanic Voting-age Population from Census 2020

Updated on February 22, 2026.

According to the data from the United States 2020 decennial Census, in April 2020, among all of Maryland counties, Montgomery County had the highest voting-age population who identified as Non-Hispanic (not hispanic or latino) (666.50K), followed by Baltimore County (629.32K), and Prince George's County (616.62K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Maryland counties based on the voting-age population who identified as non-hispanic.

You can see similar ranking information for other states and also for the different racial groups in Maryland.

Ranking of Maryland Counties By Non-Hispanic Voting-age Population from Census 2020
Montgomery
Baltimore
Prince George's
Baltimore city
Anne Arundel
Howard
Harford
Frederick
Carroll
Charles
Ranking of Maryland Counties By Non-Hispanic Voting-age Population from Census 2020
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Rank County Non-Hispanic Voting-age Population
1 Montgomery County 666499
2 Baltimore County 629322
3 Prince George's County 616617
4 Baltimore city 440055
5 Anne Arundel County 419309
6 Howard County 233179
7 Harford County 193261
8 Frederick County 186837
9 Carroll County 130180
10 Charles County 119260
11 Washington County 114589
12 St. Mary's County 82153
13 Cecil County 77089
14 Wicomico County 76392
15 Calvert County 68331
16 Allegany County 55205
17 Worcester County 41945
18 Queen Anne's County 37542
19 Talbot County 28614
20 Dorchester County 24624
21 Caroline County 23696
22 Garrett County 23124
23 Somerset County 19709
24 Kent County 15408