The map below shows majority race by area in Ontario, as self-identified on the US census. Darker shades indicate a larger racial majority in that neighborhood. This page also contains data and maps on Ontario racial diversity and diversity scores. Click here to scroll to diversity data.
The majority race in Ontario overall is hispanic, making up 65.4% of residents. The next most-common racial group is white at 12.5%. There are more hispanic people in the central areas of the city. People who identify as white are most likely to be living in the northwest places. The data below shows how many people identify themselves as each of the following races, which most Americans base on their family's national origin:
Race in Ontario
Self-Identified Race |
Ontario, CA Population |
|---|---|
White |
12.5% |
Hispanic |
65.4% |
Black |
5.9% |
Asian |
12.5% |
Native American |
0.2% |
Other |
3.6% |
Diversity and Diversity Scores for Ontario, CA
The map below shows diversity in Ontario. Areas in green are more diverse, while areas in red are much less diverse. Diversity, in this case, means a mixture of people with different race and ethnicity living close to one another. For example, all-black and all-white areas in the city would both be considered lacking diversity.
Ontario Diversity Score
53.7
More diverse than 88% of US cities
Ontario has a diversity score of 53.7: the chance, in percent, that two residents picked at random belong to different racial or ethnic groups, from ACS race counts. A place where everyone shares one group scores 0, and an even mix of the six groups in the chart above scores the maximum, 83.3. Ontario is much more diverse than other US cities, more diverse than 88% of them. Within Ontario's proper boundaries, the most diverse area is southeast Ontario, and the least diverse areas are in central Ontario.
Source: BestNeighborhood calculations from the U.S. Census Bureau, American Community Survey (ACS) 2020-2024 5-year estimates (race and Hispanic origin); proprietary data mapping and analysis. Special thanks to the University of Virginia.