| Index | Irwin | Illinois | National |
| Median home price | $146,900 | $174,800 | $184,700 |
| Median rent asked | $0 | $925 | $949 |
| Avg. people per household | 1.9 | 2.6 | 2.6 |
| Owner occupied households | 90.5% | 66.0% | 63.6% |
| Renter occupied households | 9.5% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Kempton, IL | 317 | $52,300 | 72% |
| Union Hill, IL | 69 | $69,300 | 62% |
| Cabery, IL | 260 | $76,200 | 59% |
| Cullom, IL | 501 | $77,900 | 58% |
| Papineau, IL | 128 | $86,300 | 53% |
| Irwin, IL | 39 | $146,900 | 20% |
| Population | Home Price | National Avg. | |
| Stony River, AK | 39 | $0 | 100% |
| Camp Crook, SD | 39 | $55,000 | 70% |
| Guernsey, IA | 39 | $74,300 | 60% |
| Mona, IA | 39 | $0 | 100% |
| Evergreen, TX | 39 | $0 | 100% |
| Irwin, IL | 39 | $146,900 | 20% |
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