Ranking of Maryland Counties By Percentage of Population that are Two Or More Races in 2010

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2010, among all Maryland counties, Charles County had the highest percentage of its population who identified their race as Two Or More Races (3.46%), followed by Howard County (3.29%), and Montgomery County (2.97%).

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 other racial and ethnicity groups in the United States.

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

See this for other years:
Ranking of Maryland Counties By Percentage of Pop. that are Two Or More Races in 2010
Charles
Howard
Montgomery
St. Mary's
Anne Arundel
Calvert
Prince George's
Frederick
Washington
Harford
Ranking of Maryland Counties By Percentage of Pop. that are Two Or More Races in 2010
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Rank County % of County Population
1 Charles County 3.46
2 Howard County 3.29
3 Montgomery County 2.97
4 St. Mary's County 2.94
5 Anne Arundel County 2.63
6 Calvert County 2.57
7 Prince George's County 2.44
8 Frederick County 2.38
9 Washington County 2.34
10 Harford County 2.26
11 Wicomico County 2.24
12 Baltimore County 2.08
13 Cecil County 1.97
14 Caroline County 1.89
15 Baltimore city 1.87
16 Dorchester County 1.8
17 Somerset County 1.7
18 Kent County 1.64
19 Allegany County 1.53
19 Worcester County 1.53
20 Queen Anne's County 1.52
21 Talbot County 1.42
22 Carroll County 1.39
23 Garrett County 0.59