| Index | Fairfield | Illinois | National |
| Median home price | $77,600 | $174,800 | $184,700 |
| Median rent asked | $500 | $925 | $949 |
| Avg. people per household | 2.0 | 2.6 | 2.6 |
| Owner occupied households | 63.1% | 66.0% | 63.6% |
| Renter occupied households | 36.9% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Keenes, IL | 53 | $0 | 100% |
| Johnsonville, IL | 50 | $0 | 100% |
| Sims, IL | 167 | $42,000 | 77% |
| Golden Gate, IL | 121 | $42,300 | 77% |
| Jeffersonville, IL | 333 | $42,500 | 77% |
| Fairfield, IL | 4,912 | $77,600 | 58% |
| Population | Home Price | National Avg. | |
| Falmouth, VA | 4,911 | $342,900 | 86% |
| Pascoag, RI | 4,911 | $236,000 | 28% |
| Demarest, NJ | 4,911 | $716,100 | 288% |
| Northvale, NJ | 4,911 | $455,100 | 146% |
| Oak Park Heights, MN | 4,914 | $261,300 | 41% |
| Fairfield, IL | 4,912 | $77,600 | 58% |
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