| Index | Rock Island | Illinois | National |
| Median home price | $189,842 | $308,565 | $326,622 |
| Median rent asked | $1,085 | $1,374 | $1,444 |
| Avg. people per household | 2.2 | 2.6 | 2.6 |
| Owner occupied households | 61.4% | 66.0% | 63.6% |
| Renter occupied households | 38.6% | 34.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Rock Island Arsenal, IL | 366 | $0 | 100% |
| Oak Grove, IL | 445 | $17,729 | 95% |
| Carbon Cliff, IL | 1,998 | $170,428 | 48% |
| Stockton, IA | 166 | $173,203 | 47% |
| Cleveland, IL | 241 | $183,763 | 44% |
| Rock Island, IL | 38,640 | $189,842 | 42% |
| Population | Home Price | National Avg. | |
| Dover, DE | 38,633 | $332,880 | 2% |
| Rosenberg, TX | 38,648 | $314,537 | 4% |
| La Presa, CA | 38,679 | $792,075 | 143% |
| Monrovia, CA | 38,586 | $1,252,896 | 284% |
| Egypt Lake-Leto, FL | 38,732 | $333,052 | 2% |
| Rock Island, IL | 38,640 | $189,842 | 42% |