| Index | Oak Grove | Illinois | National |
| Median home price | $9,999 | $174,800 | $184,700 |
| Median rent asked | $775 | $925 | $949 |
| Avg. people per household | 2.1 | 2.6 | 2.6 |
| Owner occupied households | 92.2% | 66.0% | 63.6% |
| Renter occupied households | 7.8% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Rock Island Arsenal, IL | 353 | $0 | 100% |
| Carbon Cliff, IL | 1,937 | $96,200 | 48% |
| Aledo, IL | 3,625 | $96,500 | 48% |
| Stockton, IA | 160 | $97,500 | 47% |
| Viola, IL | 1,040 | $98,400 | 47% |
| Oak Grove, IL | 427 | $9,999 | 95% |
| Population | Home Price | National Avg. | |
| Lockhart, SC | 427 | $46,100 | 75% |
| Spillville, IA | 427 | $123,600 | 33% |
| Glendale, UT | 427 | $138,500 | 25% |
| Westminster, VT | 427 | $236,400 | 28% |
| Kurten, TX | 427 | $155,700 | 16% |
| Oak Grove, IL | 427 | $9,999 | 95% |
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