St. Bonaventure is a CDP located in Cattaraugus County, New York. St. Bonaventure has a 2026 population of 1,942. St. Bonaventure is currently declining at a rate of -0.31% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in St. Bonaventure is 20.5 years: 20.7 years for males, and 20.3 years for females. For every 100 females there are 77.5 males.
Data after 2023 is projected based on recent change
Overall: 20.5 years
Female: 20.3 years
Male: 20.7 years
There are 1,955 adults, (197 of whom are seniors) in St. Bonaventure.
Female: 1,113 (56.3%)
Male: 863 (43.7%)
The racial composition of St. Bonaventure includes 85.37% White, 5.67% other race, 3.59% Black or African American, and smaller percentages for Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,687 | 85.37% |
| Other race | 112 | 5.67% |
| Black or African American | 71 | 3.59% |
| Two or more races | 69 | 3.49% |
| Asian | 37 | 1.87% |