Montgomery County Demographics

A map of Montgomery County's Population by Race

Montgomery County, Maryland had a population of 1,062,061 in 2020. It was 40.6% White, 18.1% Black, 15.3% Asian, 20.5% Hispanic, 1.0% Native American/Other, and 4.5% Multiracial. This map presents the population of Montgomery County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Montgomery County is the most populous county of the 24 counties in Maryland.

Montgomery County's White Population

430,980 residents of Montgomery County identify as White, or 40.6%. This makes the White share of the population of Montgomery County slightly less than the White share of the population of Maryland (47.2% White). Of the 24 counties in Maryland, Montgomery County is ranked #21 in terms of White residents as a share of the population.

Montgomery County is more White than neighboring District of Columbia County (38% White). Montgomery County is less White than neighboring Falls Church County (67.9% White), Arlington County (58.5% White), Howard County (46.7% White), and Fairfax County (53.5% White).

Montgomery County's Black Population

192,714 residents of Montgomery County identify as Black, or 18.1%. This makes the Black share of the population of Montgomery County slightly less than the Black share of the population of Maryland (29.1% Black). Of the 24 counties in Maryland, Montgomery County is ranked #9 in terms of Black residents as a share of the population.

Montgomery County is more Black than neighboring Falls Church County (3.8% Black), Arlington County (8.5% Black), and Fairfax County (4.4% Black). Montgomery County is less Black than neighboring Howard County (19.3% Black), and District of Columbia County (40.9% Black).

Montgomery County's Asian Population

162,472 residents of Montgomery County identify as Asian, or 15.3%. This makes the Asian share of the population of Montgomery County slightly larger than the Asian share of the population of Maryland (6.8% Asian). Of the 24 counties in Maryland, Montgomery County is ranked #2 in terms of Asian residents as a share of the population.

Montgomery County is more Asian than neighboring Falls Church County (10.2% Asian), Arlington County (11.4% Asian), and District of Columbia County (4.8% Asian). Montgomery County is less Asian than neighboring Howard County (19.9% Asian), and Fairfax County (18.7% Asian).

Montgomery County's Hispanic Population

217,409 residents of Montgomery County identify as Hispanic, or 20.5%. This makes the Hispanic share of the population of Montgomery County slightly larger than the Hispanic share of the population of Maryland (11.8% Hispanic). Of the 24 counties in Maryland, Montgomery County is ranked #2 in terms of Hispanic residents as a share of the population.

Montgomery County is more Hispanic than neighboring Falls Church County (10.4% Hispanic), Arlington County (15.7% Hispanic), Howard County (8.2% Hispanic), District of Columbia County (11.3% Hispanic), and Fairfax County (17.7% Hispanic).

Montgomery County's Native American/Other Population

10,406 residents of Montgomery County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.0%. This makes the Native American/Other share of the population of Montgomery County roughly similar to the Native American/Other share of the population of Maryland (0.8% Native American/Other). Of the 24 counties in Maryland, Montgomery County is ranked #2 in terms of Native American/Other residents as a share of the population.

Montgomery County is more Native American/Other than neighboring Falls Church County (0.9% Native American/Other), Arlington County (0.8% Native American/Other), Howard County (0.8% Native American/Other), and District of Columbia County (0.8% Native American/Other). Montgomery County is less Native American/Other than neighboring Fairfax County (1.1% Native American/Other).

Montgomery County's Multiracial Population

48,080 residents of Montgomery County identify as Multiracial, or 4.5%. This makes the Multiracial share of the population of Montgomery County roughly similar to the Multiracial share of the population of Maryland (4.4% Multiracial). Of the 24 counties in Maryland, Montgomery County is ranked #11 in terms of Multiracial residents as a share of the population.

Montgomery County is more Multiracial than neighboring District of Columbia County (4.3% Multiracial). Montgomery County is less Multiracial than neighboring Falls Church County (6.7% Multiracial), Arlington County (5.1% Multiracial), Howard County (5.1% Multiracial), and Fairfax County (4.7% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.