| Index | Twin Grove | Illinois | National |
| Median home price | $242,700 | $174,800 | $184,700 |
| Median rent asked | $0 | $925 | $949 |
| Avg. people per household | 2.2 | 2.6 | 2.6 |
| Owner occupied households | 93.2% | 66.0% | 63.6% |
| Renter occupied households | 6.8% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Armington, IL | 415 | $86,400 | 53% |
| Stanford, IL | 695 | $87,600 | 53% |
| Atlanta, IL | 2,156 | $94,400 | 49% |
| McLean, IL | 808 | $109,600 | 41% |
| Minier, IL | 1,090 | $115,700 | 37% |
| Twin Grove, IL | 1,243 | $242,700 | 31% |
| Population | Home Price | National Avg. | |
| Granville South, OH | 1,243 | $255,000 | 38% |
| Haverford College, PA | 1,243 | $0 | 100% |
| Coldstream, KY | 1,243 | $176,300 | 5% |
| Arapahoe, NE | 1,242 | $79,600 | 57% |
| Trafalgar, IN | 1,244 | $146,800 | 21% |
| Twin Grove, IL | 1,243 | $242,700 | 31% |
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