St Clair Borough, Pennsylvania Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 2.75K population of St Clair Borough, PA residents comprised of 98 residents who identified as Hispanic or Latino (3.57%), and 2.65K residents who identified as Non-Hispanic (96.43%).

Race: The White Alone population was the largest racial group in St Clair Borough, PA, with a population of 2.54K (92.42%). The Two Or More Races population was the second largest racial group in St Clair Borough, PA, with a population of 119 (4.34%). The Black or African American Alone population was the third largest racial group in St Clair Borough, PA, with a population of 40 (1.46%). The smallest racial group in St Clair Borough, PA was Native Hawaiian And Pacific Islander Alone with a population of 0 (0.00%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in St Clair Borough, PA, with a population of 2.50K (91.04%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in St Clair Borough, PA, with a population of 93 (3.39%). The Hispanic - White Alone population was the third largest ethnic group in St Clair Borough, PA, with a population of 38 (1.38%). The smallest ethnic group in St Clair Borough, PA was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in St Clair Borough, Pennsylvania from the 2020 decennial census.

You can see similar information for other cities and places in Pennsylvania and also for the state of Pennsylvania.

St Clair Borough, PA Hispanics and Non Hispanics Population in Census 2020
Total Population:
St Clair Borough, PA Racial Groups in Census 2020
Total Population:
St Clair Borough, PA Ethnicity Groups in Census 2020
Total Population:
St Clair Borough, PA Population of Racial Groups in Census 2020
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Race Population % of City or Place Population
Black or African American Alone 40 1.46
White Alone 2537 92.42
American Indian and Alaska Native Alone 4 0.15
Asian Alone 23 0.84
Native Hawaiian And Pacific Islander Alone 0 0.00
Some Other Race Alone 22 0.80
Two Or More Races 119 4.34
St Clair Borough, PA Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of City or Place Population
Non-Hispanic - White Alone 2499 91.04
Non-Hispanic - Two or More Races 93 3.39
Hispanic - White Alone 38 1.38
Non-Hispanic - Black Alone 30 1.09
Hispanic - Two or More Races 26 0.95
Non-Hispanic - Asian Alone 22 0.80
Hispanic - Some Other Race Alone 19 0.69
Hispanic - Black Alone 10 0.36
Hispanic - American Indian & Alaska Native 4 0.15
Non-Hispanic - Some Other Race Alone 3 0.11
Hispanic - Asian Alone 1 0.04
Non-Hispanic - American Indian & Alaska Native 0 0.00
Non-Hispanic - Native Hawaiian & Pac. Islander 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00