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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 1,048,794 population of Montgomery County, Maryland comprised of 204,989 people who identified as Hispanic (19.55%), and 843,805 people who identified as Non-Hispanic (80.46%).

Race: The White Alone population was the largest racial group in Montgomery County, Maryland with a population of 630,253 (60.09%); Black or African American Alone population was the second largest racial group with a population of 208,505 (19.88%); and Asian Alone was the third largest racial group with a population of 164,541 (15.69%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Montgomery County, Maryland in 2018, with a population of 457,036 (43.58%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 193,477 (18.45%); and the third largest ethnic group was White Alone - Hispanic with a population of 173,217 (16.52%).

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

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

See this for other years:
Hispanics and Non Hispanics in Montgomery County, MD in 2018
Total Population:
Race in Montgomery County, MD in 2018
Total Population:
Ethnicity in Montgomery County, MD in 2018
Total Population:
Population By Race in Montgomery , MD in 2018
Race Population Percentage
Black or African American Alone 208,505 19.88%
White Alone 630,253 60.09%
American Indian and Alaska Native Alone 7,951 0.76%
Asian Alone 164,541 15.69%
Native Hawaiian And Pacific Islander Alone 1,135 0.11%
Two Or More Races 36,409 3.47%
Population By Ethnicity in Montgomery , MD in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 15,028 1.43%
White Alone - Hispanic 173,217 16.52%
American Indian and Alaska Native Alone - Hispanic 6,144 0.59%
Asian Alone - Hispanic 2,789 0.27%
Native Hawaiian And Pacific Islander Alone - Hispanic 694 0.07%
Two Or More Races - Hispanic 7,117 0.68%
Black or African American Alone - Non Hispanic 193,477 18.45%
White Alone - Non Hispanic 457,036 43.58%
American Indian and Alaska Native Alone - Non Hispanic 1,807 0.17%
Asian Alone - Non Hispanic 161,752 15.42%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 441 0.04%
Two Or More Races - Non Hispanic 29,292 2.79%