What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Putnam County | Illinois | United States |
|---|---|---|---|
| Detached house | 91% | 58% | 61% |
| Attached house | Unreliable estimate | 6% | 6% |
| Building of 2 to 4 | 6% | 12% | 8% |
| Apartments (5 or more) | Unreliable estimate | 22% | 19% |
| Mobile home | Unreliable estimate | 2% | 6% |
| Boat, RV and other | Unreliable estimate | 0% | 0% |
The detached house rules in Putnam County: 91% of homes, more than in Illinois (58%).
| Measure | Putnam County | Illinois | United States |
|---|---|---|---|
| Before 1960 | 35% | 38% | 26% |
| 1960–1979 | 23% | 26% | 24% |
| 1980–1999 | 20% | 20% | 25% |
| 2000–2009 | 16% | 11% | 14% |
| 2010 or later | 5% | 6% | 11% |
The typical home in Putnam County was built in 1975, 4 years after the typical one in Illinois.