Petrolia, PA Demographics
A map of Petrolia's Population by Race
Petrolia, Pennsylvania has an estimated population of 186, an increase from the 179 recorded in the 2020 Census. The population is 87.1% White, 12.4% Multiracial, 0.5% Hispanic, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Petrolia, with one dot drawn for each person counted by the Census, color-coded by race.
Petrolia has become considerably more 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 Petrolia, that probability was 12.7% in 2020 and 22.6% in the most recent ACS estimates.
Petrolia is ranked the 1743rd 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). Petrolia was ranked the 1695th most populous place in the 2020 Census.
Petrolia's White Population
162 residents of Petrolia, or 87.1% of the population, identify as White. The share of White residents in Petrolia is considerably higher than in Pennsylvania overall, where 73% of the population is White. Petrolia ranks 659th statewide in terms of White residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Petrolia's White population has declined by an estimated 3.0%. White residents' share of Petrolia's population has decreased from 93.3% to 87.1%.
Petrolia is more White than neighboring Chicora (86.2% White). Petrolia is less White than neighboring Karns City (97.9% White), Fairview (91.1% White), Bruin (97.7% White), and Parker (95.4% White).
Petrolia's Black Population
0 residents of Petrolia, or 0.0% of the population, identify as Black. The share of Black residents in Petrolia is considerably lower than in Pennsylvania overall, where 10.3% of the population is Black. Petrolia ranks 1527th statewide in terms of Black residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Petrolia's Black population has grown from 0 to an estimated 0. Black residents' share of Petrolia's population has remained roughly unchanged at 0.0%.
Petrolia is less Black than neighboring Fairview (3.4% Black), Chicora (1.8% Black), and Parker (3.3% Black).
Petrolia's Asian Population
0 residents of Petrolia, or 0.0% of the population, identify as Asian. The share of Asian residents in Petrolia is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Petrolia ranks 1426th statewide in terms of Asian residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Petrolia's Asian population has grown from 0 to an estimated 0. Asian residents' share of Petrolia's population has remained roughly unchanged at 0.0%.
Petrolia is less Asian than neighboring Fairview (3.9% Asian).
Petrolia's Hispanic Population
1 residents of Petrolia, or 0.5% of the population, identify as Hispanic. The share of Hispanic residents in Petrolia is lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Petrolia ranks 1433rd statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Petrolia's Hispanic population has declined by an estimated 50.0%. Hispanic residents' share of Petrolia's population has decreased from 1.1% to 0.5%.
Petrolia is more Hispanic than neighboring Karns City (0% Hispanic), Fairview (0% Hispanic), and Bruin (0% Hispanic). Petrolia is less Hispanic than neighboring Chicora (8.8% Hispanic).
Petrolia's Native American/Other Population
0 residents of Petrolia, 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 Petrolia is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Petrolia ranks 595th statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Petrolia's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Petrolia's population has decreased from 0.6% to 0.0%.
Petrolia is less Native American/Other than neighboring Parker (0.2% Native American/Other).
Petrolia's Multiracial Population
23 residents of Petrolia, or 12.4% of the population, identify as Multiracial. The share of Multiracial residents in Petrolia is higher than in Pennsylvania overall, where 3.6% of the population is Multiracial. Petrolia ranks 281st statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.
Since the 2020 Census, Petrolia's Multiracial population has grown by an estimated 155.6%. Multiracial residents' share of Petrolia's population has increased from 5.0% to 12.4%.
Petrolia is more Multiracial than neighboring Karns City (2.1% Multiracial), Fairview (1.7% Multiracial), Bruin (2.3% Multiracial), Chicora (3.2% Multiracial), and Parker (0.6% 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.