Population By Race and Ethnicity in Washington County, MD in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 150,699 population of Washington County, Maryland comprised of 8,193 people who identified as Hispanic (5.44%), and 142,506 people who identified as Non-Hispanic (94.56%).

Race: The White Alone population was the largest racial group in Washington County, Maryland with a population of 124,222 (82.43%); Black or African American Alone population was the second largest racial group with a population of 18,290 (12.14%); and Two Or More Races was the third largest racial group with a population of 4,683 (3.11%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Maryland in 2018, with a population of 117,751 (78.14%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 17,406 (11.55%); and the third largest ethnic group was White Alone - Hispanic with a population of 6,471 (4.29%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Washington County, MD in 2018

Total Population:150,699

Non Hispanic (94.56%)

Hispanic (5.44%)

Race in Washington County, MD in 2018

Total Population:150,699

White Alone (82.43%)

Black or African American Alone (12.14%)

Two or more races (3.11%)

Asian Alone (1.91%)

American Indian and Alaska Native Alone (0.32%)

Native Hawaiian And Pacific Islander Alone (0.09%)

Ethnicity in Washington County, MD in 2018

Total Population:150,699

Non-Hispanic White Alone (78.14%)

Non-Hispanic Black or African American Alone (11.55%)

Hispanic White Alone (4.29%)

Non-Hispanic Two or more races (2.79%)

Non-Hispanic Asian Alone (1.85%)

All Other Ethnicities (1.38%)

Population By Race in Washington , MD in 2018

Race	Population	Percentage
White Alone	124,222	82.43%
Black or African American Alone	18,290	12.14%
Two Or More Races	4,683	3.11%
Asian Alone	2,882	1.91%
American Indian and Alaska Native Alone	486	0.32%
Native Hawaiian And Pacific Islander Alone	136	0.09%

Population By Ethnicity in Washington , MD in 2018

Ethnicity	Population	Percentage
White Alone - Non Hispanic	117,751	78.14%
Black or African American Alone - Non Hispanic	17,406	11.55%
White Alone - Hispanic	6,471	4.29%
Two Or More Races - Non Hispanic	4,200	2.79%
Asian Alone - Non Hispanic	2,789	1.85%
Black or African American Alone - Hispanic	884	0.59%
Two Or More Races - Hispanic	483	0.32%
American Indian and Alaska Native Alone - Non Hispanic	262	0.17%
American Indian and Alaska Native Alone - Hispanic	224	0.15%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	98	0.07%
Asian Alone - Hispanic	93	0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic	38	0.03%