Demographics & People — Ontario, California

Population Overview

Population (Census)178,347
Estimated 2026~185,800
Median Age33.5
Total Households52,664
Family Households41,136
Average Household Size3.37
Diversity Index0.5556 (moderately diverse)

Race & Ethnicity

White52,436
Black or African American11,462
Asian15,250
Hispanic or Latino121,756

Heritage & Ancestry

GroupCount
Other groups127,791
Hispanic: Hispanic or Latino123,804
Hispanic: Mexican106,372
Unclassified or not reported29,054
Hispanic: Central American8,073
German5,857
Irish4,181
Hispanic: Salvadoran3,805
Hispanic: Other Hispanic or Latino3,753
English3,747

Language

English Only76,907
Spanish77,037
Population 5+166,532

Veterans

Veterans3,869
Population 18+132,412

Commuting

Mean Commute Time31.5 minutes
Work from Home9.1%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Ontario, California.