| Index | Dahlgren | Illinois | National |
| Median home price | $61,500 | $174,800 | $184,700 |
| Median rent asked | $572 | $925 | $949 |
| Avg. people per household | 2.5 | 2.6 | 2.6 |
| Owner occupied households | 80.2% | 66.0% | 63.6% |
| Renter occupied households | 19.8% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Keenes, IL | 53 | $0 | 100% |
| Sims, IL | 167 | $42,000 | 77% |
| Opdyke, IL | 303 | $54,700 | 70% |
| West City, IL | 615 | $59,300 | 68% |
| Bonnie, IL | 440 | $65,400 | 65% |
| Dahlgren, IL | 699 | $61,500 | 67% |
| Population | Home Price | National Avg. | |
| Millerstown, PA | 699 | $168,200 | 9% |
| Junction City, LA | 699 | $61,000 | 67% |
| Miller, MO | 699 | $75,300 | 59% |
| Indian Springs, TX | 699 | $74,800 | 60% |
| Antwerp, NY | 698 | $108,300 | 41% |
| Dahlgren, IL | 699 | $61,500 | 67% |
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