What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | Rock Island | Rock Island County | Illinois | United States |
|---|---|---|---|---|
| Detached house | 68% | 70% | 58% | 61% |
| Attached house | 4% | 4% | 6% | 6% |
| Building of 2 to 4 | 7% | 7% | 12% | 8% |
| Apartments (5 or more) | 20% | 16% | 22% | 19% |
| Mobile home | 1% | 3% | 2% | 6% |
| Boat, RV and other | Unreliable estimate | Unreliable estimate | 0% | 0% |
In Rock Island, 7 in 10 homes are single-family detached houses, about the same as in Rock Island County.
| Measure | Rock Island | Rock Island County | Illinois | United States |
|---|---|---|---|---|
| Before 1960 | 60% | 46% | 38% | 26% |
| 1960–1979 | 24% | 30% | 26% | 24% |
| 1980–1999 | 8% | 13% | 20% | 25% |
| 2000–2009 | 5% | 6% | 11% | 14% |
| 2010 or later | 2% | 4% | 6% | 11% |
In Rock Island, half of the homes were built before 1954; in Rock Island County, before 1962.
In Rock Island, 17% of homes have 1 bedroom or none (studios); 50% have 3 bedrooms or more, against 56% in Rock Island County.