Oil City, PA Demographics

A map of Oil City's Population by Race

Oil City, Pennsylvania has an estimated population of 9,468, a slight decrease from the 9,613 recorded in the 2020 Census. The population is 93.5% White, 3.4% Multiracial, 1.4% Hispanic, 0.9% Asian, 0.7% Black, and 0.1% Native American/Other. This demographic dot map shows the population of Oil City, with one dot drawn for each person counted by the Census, color-coded by race.

Oil City has become 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 Oil City, that probability was 16.7% in 2020 and 12.4% in the most recent ACS estimates.

Oil City is ranked the 99th 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). Oil City was ranked the 95th most populous place in the 2020 Census.

Oil City's White Population

8,856 residents of Oil City, or 93.5% of the population, identify as White. The share of White residents in Oil City is significantly higher than in Pennsylvania overall, where 73% of the population is White. Oil City ranks 948th statewide in terms of White residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Oil City's White population has grown by an estimated 1.1%. White residents' share of Oil City's population has increased from 91.1% to 93.5%.

Oil City is more White than neighboring Woodland Heights (91.2% White), Hasson Heights (83% White), and Seneca (90.2% White). Oil City is less White than neighboring Rouseville (95% White), and Sugarcreek (94.8% White).

Oil City's Black Population

68 residents of Oil City, or 0.7% of the population, identify as Black. The share of Black residents in Oil City is lower than in Pennsylvania overall, where 10.3% of the population is Black. Oil City ranks 706th statewide in terms of Black residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Oil City's Black population has declined by an estimated 58.8%. Black residents' share of Oil City's population has decreased from 1.7% to 0.7%.

Oil City is more Black than neighboring Rouseville (0% Black). Oil City is less Black than neighboring Woodland Heights (1.5% Black), Hasson Heights (3.6% Black), Seneca (0.8% Black), and Sugarcreek (0.9% Black).

Oil City's Asian Population

83 residents of Oil City, or 0.9% of the population, identify as Asian. The share of Asian residents in Oil City is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. Oil City ranks 1292nd statewide in terms of Asian residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Oil City's Asian population has grown by an estimated 336.8%. Asian residents' share of Oil City's population has increased from 0.2% to 0.9%.

Oil City is more Asian than neighboring Woodland Heights (0% Asian), Hasson Heights (0.4% Asian), Rouseville (0% Asian), and Sugarcreek (0% Asian). Oil City is less Asian than neighboring Seneca (1% Asian).

Oil City's Hispanic Population

130 residents of Oil City, or 1.4% of the population, identify as Hispanic. The share of Hispanic residents in Oil City is lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. Oil City ranks 1003rd statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Oil City's Hispanic population has declined by an estimated 35.6%. Hispanic residents' share of Oil City's population has decreased from 2.1% to 1.4%.

Oil City is more Hispanic than neighboring Woodland Heights (0% Hispanic), Hasson Heights (0.5% Hispanic), Rouseville (0% Hispanic), and Seneca (0% Hispanic).

Oil City's Native American/Other Population

12 residents of Oil City, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Oil City is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. Oil City ranks 1003rd statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Oil City's Native American/Other population has declined by an estimated 62.5%. Native American/Other residents' share of Oil City's population has remained roughly unchanged at 0.1%.

Oil City is more Native American/Other than neighboring Woodland Heights (0% Native American/Other). Oil City is less Native American/Other than neighboring Hasson Heights (0.5% Native American/Other), Rouseville (1.5% Native American/Other), Seneca (5.6% Native American/Other), and Sugarcreek (0.9% Native American/Other).

Oil City's Multiracial Population

319 residents of Oil City, or 3.4% of the population, identify as Multiracial. The share of Multiracial residents in Oil City is comparable to the share in Pennsylvania overall, where 3.6% of the population is Multiracial. Oil City ranks 427th statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.

Since the 2020 Census, Oil City's Multiracial population has declined by an estimated 26.7%. Multiracial residents' share of Oil City's population has decreased from 4.5% to 3.4%.

Oil City is more Multiracial than neighboring Seneca (2.4% Multiracial), and Sugarcreek (2% Multiracial). Oil City is less Multiracial than neighboring Woodland Heights (7.3% Multiracial), Hasson Heights (11.8% Multiracial), and Rouseville (3.5% 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.