Montgomery County, Maryland Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 1.06M population of Montgomery County, MD residents comprised of 217.41K residents who identified as Hispanic or Latino (20.47%), and 844.65K residents who identified as Non-Hispanic (79.53%).

Race: The White Alone population was the largest racial group in Montgomery County, MD, with a population of 457.78K (43.10%). The Black or African American Alone population was the second largest racial group in Montgomery County, MD, with a population of 197.08K (18.56%). The Asian Alone population was the third largest racial group in Montgomery County, MD, with a population of 163.51K (15.40%). The smallest racial group in Montgomery County, MD was Native Hawaiian And Pacific Islander Alone with a population of 610 (0.06%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Montgomery County, MD, with a population of 430.98K (40.58%). The Non-Hispanic - Black Alone population was the second largest ethnic group in Montgomery County, MD, with a population of 192.71K (18.15%). The Non-Hispanic - Asian Alone population was the third largest ethnic group in Montgomery County, MD, with a population of 162.47K (15.30%). The smallest ethnic group in Montgomery County, MD was Hispanic - Native Hawaiian & Pac. Islander with a population of 170 (0.02%).

The charts and tables below shows the 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 Hispanics and Non Hispanics Population in Census 2020
Total Population:
Montgomery County, MD Racial Groups in Census 2020
Total Population:
Montgomery County, MD Ethnicity Groups in Census 2020
Total Population:
Montgomery County, MD Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 197077 18.56
White Alone 457783 43.10
American Indian and Alaska Native Alone 7036 0.66
Asian Alone 163507 15.40
Native Hawaiian And Pacific Islander Alone 610 0.06
Some Other Race Alone 116786 11.00
Two Or More Races 119262 11.23
Montgomery County, MD Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 430980 40.58
Non-Hispanic - Black Alone 192714 18.15
Non-Hispanic - Asian Alone 162472 15.30
Hispanic - Some Other Race Alone 108197 10.19
Hispanic - Two or More Races 71182 6.70
Non-Hispanic - Two or More Races 48080 4.53
Hispanic - White Alone 26803 2.52
Non-Hispanic - Some Other Race Alone 8589 0.81
Hispanic - American Indian & Alaska Native 5659 0.53
Hispanic - Black Alone 4363 0.41
Non-Hispanic - American Indian & Alaska Native 1377 0.13
Hispanic - Asian Alone 1035 0.10
Non-Hispanic - Native Hawaiian & Pac. Islander 440 0.04
Hispanic - Native Hawaiian & Pac. Islander 170 0.02