Washington 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 154.71K population of Washington County, MD residents comprised of 10.29K residents who identified as Hispanic or Latino (6.65%), and 144.42K residents who identified as Non-Hispanic (93.35%).

Race: The White Alone population was the largest racial group in Washington County, MD, with a population of 117.47K (75.93%). The Black or African American Alone population was the second largest racial group in Washington County, MD, with a population of 17.69K (11.44%). The Two Or More Races population was the third largest racial group in Washington County, MD, with a population of 11.28K (7.29%). The smallest racial group in Washington County, MD was Native Hawaiian And Pacific Islander Alone with a population of 89 (0.06%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Washington County, MD, with a population of 115.22K (74.48%). The Non-Hispanic - Black Alone population was the second largest ethnic group in Washington County, MD, with a population of 17.24K (11.14%). The Non-Hispanic - Two or More Races population was the third largest ethnic group in Washington County, MD, with a population of 7.82K (5.06%). The smallest ethnic group in Washington County, MD was Hispanic - Native Hawaiian & Pac. Islander with a population of 26 (0.02%).

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

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

Washington County, MD Hispanics and Non Hispanics Population in Census 2020
Total Population:
Washington County, MD Racial Groups in Census 2020
Total Population:
Washington County, MD Ethnicity Groups in Census 2020
Total Population:
Washington County, MD Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 17691 11.44
White Alone 117465 75.93
American Indian and Alaska Native Alone 465 0.30
Asian Alone 3109 2.01
Native Hawaiian And Pacific Islander Alone 89 0.06
Some Other Race Alone 4605 2.98
Two Or More Races 11281 7.29
Washington County, MD Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 115223 74.48
Non-Hispanic - Black Alone 17241 11.14
Non-Hispanic - Two or More Races 7822 5.06
Hispanic - Some Other Race Alone 3874 2.50
Hispanic - Two or More Races 3459 2.24
Non-Hispanic - Asian Alone 3083 1.99
Hispanic - White Alone 2242 1.45
Non-Hispanic - Some Other Race Alone 731 0.47
Hispanic - Black Alone 450 0.29
Non-Hispanic - American Indian & Alaska Native 253 0.16
Hispanic - American Indian & Alaska Native 212 0.14
Non-Hispanic - Native Hawaiian & Pac. Islander 63 0.04
Hispanic - Asian Alone 26 0.02
Hispanic - Native Hawaiian & Pac. Islander 26 0.02