What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Vandalia | Fayette County | Illinois | United States |
|---|---|---|---|---|
| Detached house | 75% | 80% | 58% | 61% |
| Attached house | Unreliable estimate | Unreliable estimate | 6% | 6% |
| Building of 2 to 4 | 12% | 4% | 12% | 8% |
| Apartments (5 or more) | Unreliable estimate | Unreliable estimate | 22% | 19% |
| Mobile home | Unreliable estimate | 12% | 2% | 6% |
| Boat, RV and other | Unreliable estimate | Unreliable estimate | 0% | 0% |
The detached house is still the most common home in Vandalia, but it weighs less than in Fayette County: 75% against 80%.
| Measure | Vandalia | Fayette County | Illinois | United States |
|---|---|---|---|---|
| Before 1960 | 58% | 38% | 38% | 26% |
| 1960–1979 | 23% | 25% | 26% | 24% |
| 1980–1999 | 16% | 22% | 20% | 25% |
| 2000–2009 | Unreliable estimate | 8% | 11% | 14% |
| 2010 or later | Unreliable estimate | 6% | 6% | 11% |
The typical home in Vandalia was built in 1955, 17 years before the typical one in Fayette County.