Montgomery County Demographics

A map of Montgomery County's Population by Race

Montgomery County, Pennsylvania had a population of 856,553 in 2020. It was 72.2% White, 9.3% Black, 7.9% Asian, 6.4% Hispanic, 0.6% Native American/Other, and 3.7% 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 3rd most populous county of the 67 counties in Pennsylvania.

Montgomery County's White Population

618,244 residents of Montgomery County identify as White, or 72.2%. This makes the White share of the population of Montgomery County roughly similar to the White share of the population of Pennsylvania (73.5% White). Of the 67 counties in Pennsylvania, Montgomery County is ranked #61 in terms of White residents as a share of the population.

Montgomery County is more White than neighboring Delaware County (63% White), Philadelphia County (34.3% White), and Lehigh County (60.9% White). Montgomery County is less White than neighboring Bucks County (80.7% White), and Chester County (75.9% White).

Montgomery County's Black Population

79,510 residents of Montgomery County identify as Black, or 9.3%. This makes the Black share of the population of Montgomery County roughly similar to the Black share of the population of Pennsylvania (10.5% Black). Of the 67 counties in Pennsylvania, Montgomery County is ranked #7 in terms of Black residents as a share of the population.

Montgomery County is more Black than neighboring Bucks County (3.9% Black), Chester County (5.3% Black), and Lehigh County (6.1% Black). Montgomery County is less Black than neighboring Delaware County (22% Black), and Philadelphia County (38.3% Black).

Montgomery County's Asian Population

67,761 residents of Montgomery County identify as Asian, or 7.9%. This makes the Asian share of the population of Montgomery County roughly similar to the Asian share of the population of Pennsylvania (3.9% Asian). Of the 67 counties in Pennsylvania, Montgomery County is ranked #2 in terms of Asian residents as a share of the population.

Montgomery County is more Asian than neighboring Bucks County (5.4% Asian), Delaware County (6.3% Asian), Chester County (6.6% Asian), and Lehigh County (3.7% Asian). Montgomery County is less Asian than neighboring Philadelphia County (8.3% Asian).

Montgomery County's Hispanic Population

54,512 residents of Montgomery County identify as Hispanic, or 6.4%. This makes the Hispanic share of the population of Montgomery County roughly similar to the Hispanic share of the population of Pennsylvania (8.1% Hispanic). Of the 67 counties in Pennsylvania, Montgomery County is ranked #16 in terms of Hispanic residents as a share of the population.

Montgomery County is more Hispanic than neighboring Bucks County (6.2% Hispanic), and Delaware County (4.6% Hispanic). Montgomery County is less Hispanic than neighboring Philadelphia County (14.9% Hispanic), Chester County (8.1% Hispanic), and Lehigh County (25.9% Hispanic).

Montgomery County's Native American/Other Population

4,794 residents of Montgomery County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.6%. 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 Pennsylvania (0.6% Native American/Other). Of the 67 counties in Pennsylvania, Montgomery County is ranked #11 in terms of Native American/Other residents as a share of the population.

Montgomery County is more Native American/Other than neighboring Bucks County (0.5% Native American/Other), and Chester County (0.5% Native American/Other). Montgomery County is less Native American/Other than neighboring Philadelphia County (0.9% Native American/Other).

Montgomery County's Multiracial Population

31,732 residents of Montgomery County identify as Multiracial, or 3.7%. This makes the Multiracial share of the population of Montgomery County roughly similar to the Multiracial share of the population of Pennsylvania (3.5% Multiracial). Of the 67 counties in Pennsylvania, Montgomery County is ranked #17 in terms of Multiracial residents as a share of the population.

Montgomery County is more Multiracial than neighboring Bucks County (3.4% Multiracial), Delaware County (3.5% Multiracial), Philadelphia County (3.4% Multiracial), Chester County (3.5% Multiracial), and Lehigh County (2.9% Multiracial).

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