Demographics & People — St. Clair, Pennsylvania

Population Overview

Population (Census)	37
Estimated 2026	37
Median Age	31.2
Total Households	12
Family Households	10
Average Household Size	3.08
Diversity Index	N/A (N/A)

Race & Ethnicity

White	37
Black or African American	0
Asian	0
Hispanic or Latino	0

Heritage & Ancestry

Group	Count
Unclassified or not reported	44
American	4
Scottish	3
German	2

Language

English Only	37
Spanish	0
Population 5+	37

Veterans

Veterans	2
Population 18+	32

Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for St. Clair, Pennsylvania.