Delaware County Demographics

A map of Delaware County's Population by Race

Delaware County, Pennsylvania had a population of 576,830 in 2020. It was 63.0% White, 22.0% Black, 6.3% Asian, 4.6% Hispanic, 0.6% Native American/Other, and 3.5% Multiracial. This map presents the population of Delaware County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Delaware County is the 5th most populous county of the 67 counties in Pennsylvania.

Delaware County's White Population

363,249 residents of Delaware County identify as White, or 63.0%. This makes the White share of the population of Delaware County slightly less than the White share of the population of Pennsylvania (73.5% White). Of the 67 counties in Pennsylvania, Delaware County is ranked #63 in terms of White residents as a share of the population.

Delaware County is more White than neighboring Philadelphia County (34.3% White). Delaware County is less White than neighboring Montgomery County (72.2% White), Gloucester County (74.5% White), Salem County (69.8% White), and Chester County (75.9% White).

Delaware County's Black Population

127,055 residents of Delaware County identify as Black, or 22.0%. This makes the Black share of the population of Delaware County slightly larger than the Black share of the population of Pennsylvania (10.5% Black). Of the 67 counties in Pennsylvania, Delaware County is ranked #2 in terms of Black residents as a share of the population.

Delaware County is more Black than neighboring Montgomery County (9.3% Black), Gloucester County (10.4% Black), Salem County (14% Black), and Chester County (5.3% Black). Delaware County is less Black than neighboring Philadelphia County (38.3% Black).

Delaware County's Asian Population

36,317 residents of Delaware County identify as Asian, or 6.3%. This makes the Asian share of the population of Delaware County roughly similar to the Asian share of the population of Pennsylvania (3.9% Asian). Of the 67 counties in Pennsylvania, Delaware County is ranked #5 in terms of Asian residents as a share of the population.

Delaware County is more Asian than neighboring Gloucester County (3.1% Asian), and Salem County (1% Asian). Delaware County is less Asian than neighboring Philadelphia County (8.3% Asian), Montgomery County (7.9% Asian), and Chester County (6.6% Asian).

Delaware County's Hispanic Population

26,772 residents of Delaware County identify as Hispanic, or 4.6%. This makes the Hispanic share of the population of Delaware County roughly similar to the Hispanic share of the population of Pennsylvania (8.1% Hispanic). Of the 67 counties in Pennsylvania, Delaware County is ranked #21 in terms of Hispanic residents as a share of the population.

Delaware County is less Hispanic than neighboring Philadelphia County (14.9% Hispanic), Montgomery County (6.4% Hispanic), Gloucester County (7.3% Hispanic), Salem County (10.1% Hispanic), and Chester County (8.1% Hispanic).

Delaware County's Native American/Other Population

3,405 residents of Delaware 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 Delaware 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, Delaware County is ranked #8 in terms of Native American/Other residents as a share of the population.

Delaware County is more Native American/Other than neighboring Gloucester County (0.5% Native American/Other), and Chester County (0.5% Native American/Other). Delaware County is less Native American/Other than neighboring Philadelphia County (0.9% Native American/Other), and Salem County (0.7% Native American/Other).

Delaware County's Multiracial Population

20,032 residents of Delaware County identify as Multiracial, or 3.5%. This makes the Multiracial share of the population of Delaware County roughly similar to the Multiracial share of the population of Pennsylvania (3.5% Multiracial). Of the 67 counties in Pennsylvania, Delaware County is ranked #26 in terms of Multiracial residents as a share of the population.

Delaware County is more Multiracial than neighboring Philadelphia County (3.4% Multiracial). Delaware County is less Multiracial than neighboring Montgomery County (3.7% Multiracial), Gloucester County (4.1% Multiracial), and Salem County (4.4% Multiracial).

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