Mount Oliver, PA Demographics
A map of Mount Oliver's Population by Race
Mount Oliver, Pennsylvania has an estimated population of 3,319, a slight decrease from the 3,394 recorded in the 2020 Census. The population is 48.1% White, 38.8% Black, 5.8% Multiracial, 3.8% Hispanic, 2.7% Native American/Other, and 0.7% Asian. This demographic dot map shows the population of Mount Oliver, with one dot drawn for each person counted by the Census, color-coded by race.
Mount Oliver has become less racially diverse since the 2020 Census. It is considerably more diverse than Pennsylvania overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Mount Oliver, that probability was 64.2% in 2020 and 61.2% in the most recent ACS estimates.
Mount Oliver is ranked the 430th most populous place in Pennsylvania, out of 2,002 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Mount Oliver was ranked the 414th most populous place in the 2020 Census.
Mount Oliver's White Population
1,596 residents of Mount Oliver, or 48.1% of the population, identify as White. The share of White residents in Mount Oliver is significantly lower than in Pennsylvania overall, where 73% of the population is White. Mount Oliver ranks 1843rd statewide in terms of White residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Mount Oliver's White population has grown by an estimated 1.9%. White residents' share of Mount Oliver's population has increased from 46.2% to 48.1%.
Mount Oliver is less White than neighboring Pittsburgh (61.9% White), Brentwood (78.8% White), Baldwin (80.5% White), Whitehall (77.7% White), and Dormont (86.5% White).
Mount Oliver's Black Population
1,289 residents of Mount Oliver, or 38.8% of the population, identify as Black. The share of Black residents in Mount Oliver is significantly higher than in Pennsylvania overall, where 10.3% of the population is Black. Mount Oliver ranks 32nd statewide in terms of Black residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Mount Oliver's Black population has grown by an estimated 3.2%. Black residents' share of Mount Oliver's population has increased from 36.8% to 38.8%.
Mount Oliver is more Black than neighboring Pittsburgh (22.1% Black), Brentwood (11.9% Black), Baldwin (3.4% Black), Whitehall (4.3% Black), and Dormont (5.6% Black).
Mount Oliver's Asian Population
23 residents of Mount Oliver, or 0.7% of the population, identify as Asian. The share of Asian residents in Mount Oliver is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Mount Oliver ranks 138th statewide in terms of Asian residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Mount Oliver's Asian population has declined by an estimated 83.1%. Asian residents' share of Mount Oliver's population has decreased from 4.0% to 0.7%.
Mount Oliver is more Asian than neighboring Dormont (0.3% Asian). Mount Oliver is less Asian than neighboring Pittsburgh (6.1% Asian), Brentwood (2.1% Asian), Baldwin (8.4% Asian), and Whitehall (14.4% Asian).
Mount Oliver's Hispanic Population
127 residents of Mount Oliver, or 3.8% of the population, identify as Hispanic. The share of Hispanic residents in Mount Oliver is slightly lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Mount Oliver ranks 421st statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Mount Oliver's Hispanic population has declined by an estimated 31.0%. Hispanic residents' share of Mount Oliver's population has decreased from 5.4% to 3.8%.
Mount Oliver is more Hispanic than neighboring Brentwood (0.1% Hispanic), Baldwin (2.3% Hispanic), and Whitehall (1.8% Hispanic). Mount Oliver is less Hispanic than neighboring Pittsburgh (4.5% Hispanic), and Dormont (4% Hispanic).
Mount Oliver's Native American/Other Population
91 residents of Mount Oliver, or 2.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mount Oliver is slightly higher than in Pennsylvania overall, where 0.6% of the population is Native American/Other. Mount Oliver ranks 306th statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Mount Oliver's Native American/Other population has grown by an estimated 237.0%. Native American/Other residents' share of Mount Oliver's population has increased from 0.8% to 2.7%.
Mount Oliver is more Native American/Other than neighboring Pittsburgh (0.7% Native American/Other), Brentwood (0% Native American/Other), Baldwin (2.5% Native American/Other), Whitehall (0.3% Native American/Other), and Dormont (1% Native American/Other).
Mount Oliver's Multiracial Population
193 residents of Mount Oliver, or 5.8% of the population, identify as Multiracial. The share of Multiracial residents in Mount Oliver is slightly higher than in Pennsylvania overall, where 3.6% of the population is Multiracial. Mount Oliver ranks 95th statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Mount Oliver's Multiracial population has declined by an estimated 16.5%. Multiracial residents' share of Mount Oliver's population has decreased from 6.8% to 5.8%.
Mount Oliver is more Multiracial than neighboring Pittsburgh (4.8% Multiracial), Baldwin (2.9% Multiracial), Whitehall (1.5% Multiracial), and Dormont (2.6% Multiracial). Mount Oliver is less Multiracial than neighboring Brentwood (7.1% Multiracial).
Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.