Population By Race and Ethnicity in Washington County, MD in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 147,727 population of Washington County, Maryland comprised of 5,213 people who identified as Hispanic (3.53%), and 142,514 people who identified as Non-Hispanic (96.47%).

Race: The White Alone population was the largest racial group in Washington County, Maryland with a population of 127,039 (86%); Black or African American Alone population was the second largest racial group with a population of 14,609 (9.89%); and Two Or More Races was the third largest racial group with a population of 3,452 (2.34%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Maryland in 2010, with a population of 122,869 (83.17%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 14,088 (9.54%); and the third largest ethnic group was White Alone - Hispanic with a population of 4,170 (2.82%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Washington, Maryland.

You can find similar information for other Maryland counties, and for Maryland.

See this for other years:
Hispanics and Non Hispanics in Washington County, MD in 2010
Total Population:
Race in Washington County, MD in 2010
Total Population:
Ethnicity in Washington County, MD in 2010
Total Population:
Population By Race in Washington , MD in 2010
Race Population Percentage
Black or African American Alone 14,609 9.89%
White Alone 127,039 86%
American Indian and Alaska Native Alone 405 0.27%
Asian Alone 2,140 1.45%
Native Hawaiian And Pacific Islander Alone 82 0.06%
Two Or More Races 3,452 2.34%
Population By Ethnicity in Washington , MD in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 521 0.35%
White Alone - Hispanic 4,170 2.82%
American Indian and Alaska Native Alone - Hispanic 149 0.1%
Asian Alone - Hispanic 35 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 14 0.01%
Two Or More Races - Hispanic 324 0.22%
Black or African American Alone - Non Hispanic 14,088 9.54%
White Alone - Non Hispanic 122,869 83.17%
American Indian and Alaska Native Alone - Non Hispanic 256 0.17%
Asian Alone - Non Hispanic 2,105 1.43%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 68 0.05%
Two Or More Races - Non Hispanic 3,128 2.12%