| Index | Marengo | Illinois | National |
| Median home price | $157,000 | $174,800 | $184,700 |
| Median rent asked | $901 | $925 | $949 |
| Avg. people per household | 2.6 | 2.6 | 2.6 |
| Owner occupied households | 63.2% | 66.0% | 63.6% |
| Renter occupied households | 36.8% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Garden Prairie, IL | 265 | $85,000 | 54% |
| Belvidere, IL | 24,932 | $114,600 | 38% |
| Capron, IL | 1,656 | $117,700 | 36% |
| Harvard, IL | 9,203 | $128,000 | 31% |
| Caledonia, IL | 195 | $135,400 | 27% |
| Marengo, IL | 7,871 | $157,000 | 15% |
| Population | Home Price | National Avg. | |
| Lake Geneva, WI | 7,872 | $214,600 | 16% |
| Woodlawn CDP (Prince George's County), MD | 7,873 | $194,100 | 5% |
| West Livingston, TX | 7,873 | $84,800 | 54% |
| Lampasas, TX | 7,869 | $129,000 | 30% |
| Santa Clara, UT | 7,868 | $340,000 | 84% |
| Marengo, IL | 7,871 | $157,000 | 15% |
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