St. Clair County, IL Hispanic or Latino Population By Origin in 2021 (ACS-5Yrs)

Updated on March 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 11.25K St. Clair County, IL hispanic or latino population, 7.02K had Mexican origin (62.40%), 1.34K had Puerto Rican origin (11.87%), and 831 had All Other Hispanic origin (7.39%).

The chart below shows the top 10 hispanic origins by percentage, and the table below shows both the population and percentages for many hispanic origins.

You can see similar information for other Illinois counties, and for Illinois.

Data Source: US Census Bureau.

St. Clair County, IL Percentage of Hispanic or Latino Population By Origin in 2021

Mexican

Puerto Rican

All Other Hispanic

Central American

Spaniard

Cuban

Honduran

Salvadoran

Spanish

Guatemalan

St. Clair County, IL Hispanic or Latino Population By Origin in 2021

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Hispanic Origin	Population	Percent of Hisp. Pop. (%)
Mexican	7019	62.40
Puerto Rican	1335	11.87
All Other Hispanic	831	7.39
Central American	750	6.67
Spaniard	630	5.60
Cuban	312	2.77
Honduran	235	2.09
Salvadoran	209	1.86
Spanish	164	1.46
Guatemalan	163	1.45
South American	137	1.22
Costa Rican	91	0.81
Dominican	70	0.62
Peruvian	54	0.48
Panamanian	52	0.46
Colombian	52	0.46
Bolivian	22	0.20
Venezuelan	9	0.08