Population By Race and Ethnicity in Montgomery County, MD in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 991,325 population of Montgomery County, Maryland comprised of 173,646 people who identified as Hispanic (17.52%), and 817,679 people who identified as Non-Hispanic (82.48%).

Race: The White Alone population was the largest racial group in Montgomery County, Maryland with a population of 629,570 (63.51%); Black or African American Alone population was the second largest racial group with a population of 180,271 (18.18%); and Asian Alone was the third largest racial group with a population of 143,626 (14.49%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Montgomery County, Maryland in 2011, with a population of 481,372 (48.56%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 168,166 (16.96%); and the third largest ethnic group was White Alone - Hispanic with a population of 148,198 (14.95%).

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 2011

Total Population:991,325

Non Hispanic (82.48%)

Hispanic (17.52%)

Race in Montgomery County, MD in 2011

Total Population:991,325

White Alone (63.51%)

Black or African American Alone (18.18%)

Asian Alone (14.49%)

Two or more races (3.04%)

American Indian and Alaska Native Alone (0.69%)

Native Hawaiian And Pacific Islander Alone (0.09%)

Ethnicity in Montgomery County, MD in 2011

Total Population:991,325

Non-Hispanic White Alone (48.56%)

Non-Hispanic Black or African American Alone (16.96%)

Hispanic White Alone (14.95%)

Non-Hispanic Asian Alone (14.28%)

All Other Ethnicities (2.78%)

Non-Hispanic Two or more races (2.46%)

Population By Race in Montgomery , MD in 2011

Race	Population	Percentage
White Alone	629,570	63.51%
Black or African American Alone	180,271	18.18%
Asian Alone	143,626	14.49%
Two Or More Races	30,138	3.04%
American Indian and Alaska Native Alone	6,806	0.69%
Native Hawaiian And Pacific Islander Alone	914	0.09%

Population By Ethnicity in Montgomery , MD in 2011

Ethnicity	Population	Percentage
White Alone - Non Hispanic	481,372	48.56%
Black or African American Alone - Non Hispanic	168,166	16.96%
White Alone - Hispanic	148,198	14.95%
Asian Alone - Non Hispanic	141,581	14.28%
Two Or More Races - Non Hispanic	24,430	2.46%
Black or African American Alone - Hispanic	12,105	1.22%
Two Or More Races - Hispanic	5,708	0.58%
American Indian and Alaska Native Alone - Hispanic	5,125	0.52%
Asian Alone - Hispanic	2,045	0.21%
American Indian and Alaska Native Alone - Non Hispanic	1,681	0.17%
Native Hawaiian And Pacific Islander Alone - Hispanic	465	0.05%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	449	0.05%