| Index | Mount Carroll | Illinois | National |
| Median home price | $83,000 | $174,800 | $184,700 |
| Median rent asked | $589 | $925 | $949 |
| Avg. people per household | 1.9 | 2.6 | 2.6 |
| Owner occupied households | 77.2% | 66.0% | 63.6% |
| Renter occupied households | 22.8% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Savanna, IL | 2,924 | $68,600 | 63% |
| Chadwick, IL | 529 | $72,800 | 61% |
| Milledgeville, IL | 987 | $77,000 | 58% |
| Lanark, IL | 1,453 | $83,000 | 55% |
| Andover, IA | 160 | $89,300 | 52% |
| Mount Carroll, IL | 1,503 | $83,000 | 55% |
| Population | Home Price | National Avg. | |
| Battle Creek, NE | 1,503 | $145,900 | 21% |
| Oakdale, PA | 1,503 | $147,000 | 20% |
| Erie, KS | 1,503 | $78,000 | 58% |
| Clear Lake, SD | 1,503 | $122,800 | 34% |
| Hudson, PA | 1,503 | $109,300 | 41% |
| Mount Carroll, IL | 1,503 | $83,000 | 55% |
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