| Index | Rock Island | Illinois | National |
| Median home price | $106,300 | $174,800 | $184,700 |
| Median rent asked | $714 | $925 | $949 |
| 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 | 353 | $0 | 100% |
| Oak Grove, IL | 427 | $9,999 | 95% |
| Carbon Cliff, IL | 1,937 | $96,200 | 48% |
| Stockton, IA | 160 | $97,500 | 47% |
| Cleveland, IL | 232 | $100,000 | 46% |
| Rock Island, IL | 37,651 | $106,300 | 42% |
| Population | Home Price | National Avg. | |
| Monrovia, CA | 37,636 | $694,700 | 276% |
| Carpentersville, IL | 37,618 | $176,800 | 4% |
| Menomonee Falls, WI | 37,611 | $264,800 | 43% |
| Clinton, MD | 37,765 | $321,500 | 74% |
| Egypt Lake-Leto, FL | 37,775 | $186,700 | 1% |
| Rock Island, IL | 37,651 | $106,300 | 42% |
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