O'Fallon city, 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 1.41K O'Fallon city, IL hispanic or latino population, 896 had Mexican origin (63.37%), 240 had Puerto Rican origin (16.97%), and 118 had Spaniard origin (8.35%).

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

You can also see similar information for other Illinois cities and places, and for Illinois.

Data Source: US Census Bureau.

O'Fallon city, IL Percentage of Hispanic or Latino Population By Origin in 2021

Mexican

Puerto Rican

Spaniard

Spanish

South American

Peruvian

Central American

Salvadoran

Honduran

Venezuelan

O'Fallon city, IL Hispanic or Latino Population By Origin in 2021

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Hispanic Origin	Population	Percent of Hisp. Pop. (%)
Mexican	896	63.37
Puerto Rican	240	16.97
Spaniard	118	8.35
Spanish	90	6.37
South American	44	3.11
Peruvian	40	2.83
Central American	26	1.84
Salvadoran	16	1.13
Honduran	10	0.71
Venezuelan	4	0.28