West Mifflin, PA Demographics
A map of West Mifflin's Population by Race
West Mifflin, Pennsylvania has an estimated population of 19,190, a slight decrease from the 19,589 recorded in the 2020 Census. The population is 83.8% White, 7.3% Black, 4.8% Multiracial, 3.1% Hispanic, 0.9% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of West Mifflin, with one dot drawn for each person counted by the Census, color-coded by race.
West Mifflin has become considerably less racially diverse since the 2020 Census. It is considerably less 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 West Mifflin, that probability was 35.2% in 2020 and 28.9% in the most recent ACS estimates.
West Mifflin is ranked the 35th 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). West Mifflin was ranked the 33rd most populous place in the 2020 Census.
West Mifflin's White Population
16,084 residents of West Mifflin, or 83.8% of the population, identify as White. The share of White residents in West Mifflin is considerably higher than in Pennsylvania overall, where 73% of the population is White. West Mifflin ranks 1577th statewide in terms of White residents as a share of the population, out of 2,002 places.
Since the 2020 Census, West Mifflin's White population has grown by an estimated 3.5%. White residents' share of West Mifflin's population has increased from 79.4% to 83.8%.
West Mifflin is more White than neighboring Munhall (82.6% White), Port Vue (77.3% White), and West Homestead (71.8% White). West Mifflin is less White than neighboring Dravosburg (92.7% White), and Glassport (87.3% White).
West Mifflin's Black Population
1,404 residents of West Mifflin, or 7.3% of the population, identify as Black. The share of Black residents in West Mifflin is slightly lower than in Pennsylvania overall, where 10.3% of the population is Black. West Mifflin ranks 125th statewide in terms of Black residents as a share of the population, out of 2,002 places.
Since the 2020 Census, West Mifflin's Black population has declined by an estimated 42.1%. Black residents' share of West Mifflin's population has decreased from 12.4% to 7.3%.
West Mifflin is more Black than neighboring Dravosburg (6.2% Black), Glassport (3.9% Black), and Port Vue (6.4% Black). West Mifflin is less Black than neighboring Munhall (13.4% Black), and West Homestead (11.4% Black).
West Mifflin's Asian Population
176 residents of West Mifflin, or 0.9% of the population, identify as Asian. The share of Asian residents in West Mifflin is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. West Mifflin ranks 631st statewide in terms of Asian residents as a share of the population, out of 2,002 places.
Since the 2020 Census, West Mifflin's Asian population has declined by an estimated 4.9%. Asian residents' share of West Mifflin's population has remained roughly unchanged at 0.9%.
West Mifflin is more Asian than neighboring Dravosburg (0% Asian), Munhall (0.3% Asian), Glassport (0.5% Asian), Port Vue (0% Asian), and West Homestead (0% Asian).
West Mifflin's Hispanic Population
603 residents of West Mifflin, or 3.1% of the population, identify as Hispanic. The share of Hispanic residents in West Mifflin is lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. West Mifflin ranks 929th statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.
Since the 2020 Census, West Mifflin's Hispanic population has grown by an estimated 33.1%. Hispanic residents' share of West Mifflin's population has increased from 2.3% to 3.1%.
West Mifflin is more Hispanic than neighboring Dravosburg (0.7% Hispanic), and Munhall (0.6% Hispanic). West Mifflin is less Hispanic than neighboring Glassport (4.6% Hispanic), Port Vue (3.4% Hispanic), and West Homestead (9.6% Hispanic).
West Mifflin's Native American/Other Population
5 residents of West Mifflin, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in West Mifflin is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. West Mifflin ranks 627th statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.
Since the 2020 Census, West Mifflin's Native American/Other population has declined by an estimated 95.2%. Native American/Other residents' share of West Mifflin's population has decreased from 0.5% to 0.0%.
West Mifflin is less Native American/Other than neighboring Dravosburg (0.3% Native American/Other), Glassport (0.3% Native American/Other), and Port Vue (2% Native American/Other).
West Mifflin's Multiracial Population
918 residents of West Mifflin, or 4.8% of the population, identify as Multiracial. The share of Multiracial residents in West Mifflin is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. West Mifflin ranks 439th statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.
Since the 2020 Census, West Mifflin's Multiracial population has grown by an estimated 4.7%. Multiracial residents' share of West Mifflin's population has remained roughly unchanged at 4.8%.
West Mifflin is more Multiracial than neighboring Dravosburg (0.1% Multiracial), Munhall (3.1% Multiracial), and Glassport (3.4% Multiracial). West Mifflin is less Multiracial than neighboring Port Vue (10.9% Multiracial), and West Homestead (7.2% 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.