The map below shows majority race by area in O'fallon, 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 O'fallon racial diversity and diversity scores. Click here to scroll to diversity data.
The majority race in O'fallon overall is white, making up 80.5% of residents. The next most-common racial group is hispanic at 5.6%. There are more white people in the south areas of the city. People who identify as hispanic are most likely to be living in the north 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 O'fallon
Self-Identified Race |
O'fallon, MO Population |
|---|---|
White |
80.5% |
Hispanic |
5.6% |
Black |
4.4% |
Asian |
4.6% |
Native American |
0.1% |
Other |
4.9% |
Diversity and Diversity Scores for O'fallon, MO
The map below shows diversity in O'fallon. 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.
O'fallon Diversity Score
34.2
More diverse than 66% of US cities
O'fallon has a diversity score of 34.2: 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. O'fallon is more diverse than other US cities, more diverse than 66% of them. Within O'fallon's proper boundaries, the most diverse area is northwest O'fallon, and the least diverse areas are in south O'fallon.
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.
Nearby Cities
- Dardenne Prairie, MO: less diverse
- Cottleville, MO: more diverse
- Lake St. Louis, MO: less diverse
- St. Paul, MO: more diverse
- St. Peters, MO: less diverse
- Josephville, MO: less diverse
- Weldon Spring Heights, MO: less diverse
- Weldon Spring, MO: less diverse
- Peruque, MO: more diverse
- Wentzville, MO: less diverse