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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Montgomery County, MD in 2018

Total Population:1,048,794

Non Hispanic (80.46%)

Hispanic (19.55%)

Race in Montgomery County, MD in 2018

Total Population:1,048,794

White Alone (60.09%)

Black or African American Alone (19.88%)

Asian Alone (15.69%)

Two or more races (3.47%)

American Indian and Alaska Native Alone (0.76%)

Native Hawaiian And Pacific Islander Alone (0.11%)

Ethnicity in Montgomery County, MD in 2018

Total Population:1,048,794

Non-Hispanic White Alone (43.58%)

Non-Hispanic Black or African American Alone (18.45%)

Hispanic White Alone (16.52%)

Non-Hispanic Asian Alone (15.42%)

All Other Ethnicities (3.24%)

Non-Hispanic Two or more races (2.79%)

Population By Race in Montgomery , MD in 2018

Race	Population	Percentage
White Alone	630,253	60.09%
Black or African American Alone	208,505	19.88%
Asian Alone	164,541	15.69%
Two Or More Races	36,409	3.47%
American Indian and Alaska Native Alone	7,951	0.76%
Native Hawaiian And Pacific Islander Alone	1,135	0.11%

Population By Ethnicity in Montgomery , MD in 2018

Ethnicity	Population	Percentage
White Alone - Non Hispanic	457,036	43.58%
Black or African American Alone - Non Hispanic	193,477	18.45%
White Alone - Hispanic	173,217	16.52%
Asian Alone - Non Hispanic	161,752	15.42%
Two Or More Races - Non Hispanic	29,292	2.79%
Black or African American Alone - Hispanic	15,028	1.43%
Two Or More Races - Hispanic	7,117	0.68%
American Indian and Alaska Native Alone - Hispanic	6,144	0.59%
Asian Alone - Hispanic	2,789	0.27%
American Indian and Alaska Native Alone - Non Hispanic	1,807	0.17%
Native Hawaiian And Pacific Islander Alone - Hispanic	694	0.07%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	441	0.04%