St. Mary's County, Maryland Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 86.37K voting-age population of St. Mary's County, MD residents comprised of 4.22K residents who identified as Hispanic or Latino (4.88%), and 82.15K residents who identified as Non-Hispanic (95.12%).

Race: The White Alone voting-age population was the largest racial group in St. Mary's County, MD, with a voting-age population of 63.96K (74.05%). The Black or African American Alone voting-age population was the second largest racial group in St. Mary's County, MD, with a voting-age population of 12.33K (14.28%). The Two Or More Races voting-age population was the third largest racial group in St. Mary's County, MD, with a voting-age population of 5.42K (6.27%). The smallest racial group in St. Mary's County, MD was Native Hawaiian And Pacific Islander Alone with a voting-age population of 76 (0.09%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in St. Mary's County, MD, with a voting-age population of 62.84K (72.76%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in St. Mary's County, MD, with a voting-age population of 12.16K (14.08%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in St. Mary's County, MD, with a voting-age population of 3.79K (4.39%). The smallest ethnic group in St. Mary's County, MD was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 4 (0.01%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in St. Mary's County, Maryland from the 2020 decennial census.

You can see similar information for other Maryland counties and also for the state of Maryland.

St. Mary's County, MD Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
St. Mary's County, MD Voting-age Racial Groups in Census 2020
Total Voting-age Population:
St. Mary's County, MD Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
St. Mary's County, MD Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 12330 14.28
White Alone 63955 74.05
American Indian and Alaska Native Alone 349 0.40
Asian Alone 2707 3.13
Native Hawaiian And Pacific Islander Alone 76 0.09
Some Other Race Alone 1537 1.78
Two Or More Races 5416 6.27
St. Mary's County, MD Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 62840 72.76
Non-Hispanic - Black Alone 12159 14.08
Non-Hispanic - Two or More Races 3788 4.39
Non-Hispanic - Asian Alone 2669 3.09
Hispanic - Two or More Races 1628 1.89
Hispanic - Some Other Race Alone 1177 1.36
Hispanic - White Alone 1115 1.29
Non-Hispanic - Some Other Race Alone 360 0.42
Non-Hispanic - American Indian & Alaska Native 265 0.31
Hispanic - Black Alone 171 0.20
Hispanic - American Indian & Alaska Native 84 0.10
Non-Hispanic - Native Hawaiian & Pac. Islander 72 0.08
Hispanic - Asian Alone 38 0.04
Hispanic - Native Hawaiian & Pac. Islander 4 0.01