Montgomery 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 819.12K voting-age population of Montgomery County, MD residents comprised of 152.62K residents who identified as Hispanic or Latino (18.63%), and 666.50K residents who identified as Non-Hispanic (81.37%).

Race: The White Alone voting-age population was the largest racial group in Montgomery County, MD, with a voting-age population of 373.26K (45.57%). The Black or African American Alone voting-age population was the second largest racial group in Montgomery County, MD, with a voting-age population of 147.98K (18.07%). The Asian Alone voting-age population was the third largest racial group in Montgomery County, MD, with a voting-age population of 131.06K (16.00%). The smallest racial group in Montgomery County, MD was Native Hawaiian And Pacific Islander Alone with a voting-age population of 462 (0.06%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Montgomery County, MD, with a voting-age population of 355.54K (43.41%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Montgomery County, MD, with a voting-age population of 145.35K (17.74%). The Non-Hispanic - Asian Alone voting-age population was the third largest ethnic group in Montgomery County, MD, with a voting-age population of 130.46K (15.93%). The smallest ethnic group in Montgomery County, MD was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 118 (0.01%).

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

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

Montgomery County, MD Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Montgomery County, MD Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Montgomery County, MD Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Montgomery 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 147983 18.07
White Alone 373261 45.57
American Indian and Alaska Native Alone 5234 0.64
Asian Alone 131059 16.00
Native Hawaiian And Pacific Islander Alone 462 0.06
Some Other Race Alone 82383 10.06
Two Or More Races 78737 9.61
Montgomery 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 355538 43.41
Non-Hispanic - Black Alone 145345 17.74
Non-Hispanic - Asian Alone 130463 15.93
Hispanic - Some Other Race Alone 76772 9.37
Hispanic - Two or More Races 50564 6.17
Non-Hispanic - Two or More Races 28173 3.44
Hispanic - White Alone 17723 2.16
Non-Hispanic - Some Other Race Alone 5611 0.69
Hispanic - American Indian & Alaska Native 4209 0.51
Hispanic - Black Alone 2638 0.32
Non-Hispanic - American Indian & Alaska Native 1025 0.13
Hispanic - Asian Alone 596 0.07
Non-Hispanic - Native Hawaiian & Pac. Islander 344 0.04
Hispanic - Native Hawaiian & Pac. Islander 118 0.01