Monongahela, PA Demographics

A map of Monongahela's Population by Race

Monongahela, Pennsylvania has an estimated population of 4,109, a slight decrease from the 4,159 recorded in the 2020 Census. The population is 93.7% White, 3.5% Multiracial, 2.6% Hispanic, 0.1% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Monongahela, with one dot drawn for each person counted by the Census, color-coded by race.

Monongahela 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 Monongahela, that probability was 23.7% in 2020 and 11.9% in the most recent ACS estimates.

Monongahela is ranked the 352nd 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). Monongahela was ranked the 342nd most populous place in the 2020 Census.

Monongahela's White Population

3,852 residents of Monongahela, or 93.7% of the population, identify as White. The share of White residents in Monongahela is significantly higher than in Pennsylvania overall, where 73% of the population is White. Monongahela ranks 1283rd statewide in terms of White residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Monongahela's White population has grown by an estimated 6.4%. White residents' share of Monongahela's population has increased from 87.0% to 93.7%.

Monongahela is more White than neighboring New Eagle (92.8% White), Baidland (87.7% White), and North Charleroi (88.8% White). Monongahela is less White than neighboring Wickerham Manor-Fisher (97.4% White), and Elrama (100% White).

Monongahela's Black Population

5 residents of Monongahela, or 0.1% of the population, identify as Black. The share of Black residents in Monongahela is considerably lower than in Pennsylvania overall, where 10.3% of the population is Black. Monongahela ranks 455th statewide in terms of Black residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Monongahela's Black population has declined by an estimated 96.2%. Black residents' share of Monongahela's population has decreased from 3.2% to 0.1%.

Monongahela is more Black than neighboring Elrama (0% Black). Monongahela is less Black than neighboring Wickerham Manor-Fisher (0.4% Black), New Eagle (2.5% Black), Baidland (1.5% Black), and North Charleroi (3.6% Black).

Monongahela's Asian Population

0 residents of Monongahela, or 0.0% of the population, identify as Asian. The share of Asian residents in Monongahela is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Monongahela ranks 1176th statewide in terms of Asian residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Monongahela's Asian population has declined by an estimated 100.0%. Asian residents' share of Monongahela's population has remained roughly unchanged at 0.0%.

Monongahela is less Asian than neighboring New Eagle (0.2% Asian), Baidland (2.1% Asian), and North Charleroi (0.5% Asian).

Monongahela's Hispanic Population

108 residents of Monongahela, or 2.6% of the population, identify as Hispanic. The share of Hispanic residents in Monongahela is lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Monongahela ranks 806th statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Monongahela's Hispanic population has declined by an estimated 6.9%. Hispanic residents' share of Monongahela's population has remained roughly unchanged at 2.6%.

Monongahela is more Hispanic than neighboring Wickerham Manor-Fisher (1.8% Hispanic), New Eagle (1.2% Hispanic), North Charleroi (1.6% Hispanic), and Elrama (0% Hispanic). Monongahela is less Hispanic than neighboring Baidland (5% Hispanic).

Monongahela's Native American/Other Population

0 residents of Monongahela, 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 Monongahela is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Monongahela ranks 562nd statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Monongahela's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Monongahela's population has decreased from 0.6% to 0.0%.

Monongahela is less Native American/Other than neighboring North Charleroi (0.1% Native American/Other).

Monongahela's Multiracial Population

144 residents of Monongahela, or 3.5% of the population, identify as Multiracial. The share of Multiracial residents in Monongahela is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Monongahela ranks 142nd statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Monongahela's Multiracial population has declined by an estimated 43.3%. Multiracial residents' share of Monongahela's population has decreased from 6.1% to 3.5%.

Monongahela is more Multiracial than neighboring Wickerham Manor-Fisher (0.4% Multiracial), New Eagle (3.2% Multiracial), and Elrama (0% Multiracial). Monongahela is less Multiracial than neighboring Baidland (3.6% Multiracial), and North Charleroi (5.5% 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.