O'Fallon | |
|---|---|
.jpg) Houses in O'Fallon, January 2013 | |
 Location (red) of O'Fallon within St. Louis | |
| Country | United States |
| State | Missouri |
| City | St. Louis |
| Wards | 21 |
| Government | |
| • Aldermen | John Collins-Muhammad, II |
| Area | |
• Total | 0.59 sq mi (1.5 km2) |
| Population (2020)[1] | |
• Total | 4,342 |
| • Density | 7,400/sq mi (2,800/km2) |
| ZIP code(s) | Parts of 63107, 63115 |
| Area code(s) | 314 |
| Website | stlouis-mo.gov |
O'Fallon is a neighborhood of St. Louis, Missouri. The neighborhood is located on the north side of the City of St. Louis, nestled between O'Fallon Park and Fairground Park. It is bounded by West Florissant, Harris Avenue, Algernon Street and Adelaide on the north, Pope Avenue on the northwest, Kossuth and Natural Bridge Avenues on the south via Fair Avenue, Warne on the east, and Newstead on the west. The O'Fallon neighborhood is located in the 21st Ward which is currently represented by Alderman John Collins-Muhammad.