New Castle, PA Demographics

A map of New Castle's Population by Race

New Castle, Pennsylvania has an estimated population of 21,579, a slight decrease from the 21,926 recorded in the 2020 Census. The population is 75.7% White, 10.8% Black, 8.6% Multiracial, 4.2% Hispanic, 0.7% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of New Castle, with one dot drawn for each person counted by the Census, color-coded by race.

New Castle has become less racially diverse since the 2020 Census. It is 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 New Castle, that probability was 42.3% in 2020 and 40.6% in the most recent ACS estimates.

New Castle is ranked the 30th 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). New Castle was ranked the 27th most populous place in the 2020 Census.

New Castle's White Population

16,344 residents of New Castle, or 75.7% of the population, identify as White. The share of White residents in New Castle is slightly higher than in Pennsylvania overall, where 73% of the population is White. New Castle ranks 1671st statewide in terms of White residents as a share of the population, out of 2,002 places.

Since the 2020 Census, New Castle's White population has remained roughly the same. White residents' share of New Castle's population has increased from 74.3% to 75.7%.

New Castle is less White than neighboring South New Castle (91.6% White), Oakland CDP (Lawrence County) (85.6% White), New Castle Northwest (97.8% White), Oakwood (87.3% White), and West Pittsburg (97.7% White).

New Castle's Black Population

2,324 residents of New Castle, or 10.8% of the population, identify as Black. The share of Black residents in New Castle is comparable to the share in Pennsylvania overall, where 10.3% of the population is Black. New Castle ranks 116th statewide in terms of Black residents as a share of the population, out of 2,002 places.

Since the 2020 Census, New Castle's Black population has declined by an estimated 18.8%. Black residents' share of New Castle's population has decreased from 13.0% to 10.8%.

New Castle is more Black than neighboring South New Castle (1% Black), Oakland CDP (Lawrence County) (2.9% Black), New Castle Northwest (0.1% Black), Oakwood (4.6% Black), and West Pittsburg (0% Black).

New Castle's Asian Population

0 residents of New Castle, or 0.0% of the population, identify as Asian. The share of Asian residents in New Castle is slightly lower than in Pennsylvania overall, where 3.8% of the population is Asian. New Castle ranks 1162nd statewide in terms of Asian residents as a share of the population, out of 2,002 places.

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

New Castle is less Asian than neighboring Oakwood (0.9% Asian).

New Castle's Hispanic Population

897 residents of New Castle, or 4.2% of the population, identify as Hispanic. The share of Hispanic residents in New Castle is slightly lower than in Pennsylvania overall, where 8.7% of the population is Hispanic. New Castle ranks 596th statewide in terms of Hispanic residents as a share of the population, out of 2,002 places.

Since the 2020 Census, New Castle's Hispanic population has grown by an estimated 5.9%. Hispanic residents' share of New Castle's population has remained roughly unchanged at 4.2%.

New Castle is more Hispanic than neighboring South New Castle (1.3% Hispanic), Oakland CDP (Lawrence County) (2.8% Hispanic), New Castle Northwest (2.1% Hispanic), Oakwood (3.6% Hispanic), and West Pittsburg (0.3% Hispanic).

New Castle's Native American/Other Population

153 residents of New Castle, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in New Castle is comparable to the share in Pennsylvania overall, where 0.6% of the population is Native American/Other. New Castle ranks 419th statewide in terms of Native American/Other residents as a share of the population, out of 2,002 places.

Since the 2020 Census, New Castle's Native American/Other population has grown by an estimated 2.0%. Native American/Other residents' share of New Castle's population has remained roughly unchanged at 0.7%.

New Castle is more Native American/Other than neighboring South New Castle (0% Native American/Other), Oakland CDP (Lawrence County) (0% Native American/Other), New Castle Northwest (0% Native American/Other), Oakwood (0% Native American/Other), and West Pittsburg (0.4% Native American/Other).

New Castle's Multiracial Population

1,861 residents of New Castle, or 8.6% of the population, identify as Multiracial. The share of Multiracial residents in New Castle is slightly higher than in Pennsylvania overall, where 3.6% of the population is Multiracial. New Castle ranks 48th statewide in terms of Multiracial residents as a share of the population, out of 2,002 places.

Since the 2020 Census, New Castle's Multiracial population has grown by an estimated 8.6%. Multiracial residents' share of New Castle's population has increased from 7.8% to 8.6%.

New Castle is more Multiracial than neighboring South New Castle (6.2% Multiracial), New Castle Northwest (0% Multiracial), Oakwood (3.6% Multiracial), and West Pittsburg (1.5% Multiracial). New Castle is less Multiracial than neighboring Oakland CDP (Lawrence County) (8.7% 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.