O'Fallon city, Illinois
Official LSAD Designation: O'Fallon city • Census GEOID: 1755249
• St. Clair County
Housing & Real Estate Profile
Housing and occupancy for O'Fallon city.
| Housing Indicator | Estimate | Margin of Error |
|---|---|---|
| Total Housing Units | 13,530 | ±485 |
| Occupied Housing Units | 12,816 | ±422 |
| Vacant Housing Units | 714 | ±302 |
| Median Home Value | $295,700 | ±$13,884 |
| Median Gross Rent | $1,332 | ±$114 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).