| Index | Mount Carroll | Illinois | National |
| Median home price | $149,208 | $308,565 | $326,622 |
| Median rent asked | $880 | $1,374 | $1,444 |
| 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 | 3,028 | $124,103 | 62% |
| Chadwick, IL | 544 | $128,000 | 61% |
| Milledgeville, IL | 1,014 | $137,771 | 58% |
| Lanark, IL | 1,510 | $150,351 | 54% |
| Andover, IA | 166 | $157,253 | 52% |
| Mount Carroll, IL | 1,557 | $149,208 | 54% |
| Population | Home Price | National Avg. | |
| East Carbon-Sunnyside, UT | 1,557 | $93,108 | 71% |
| Seeley Lake, MT | 1,557 | $398,010 | 22% |
| Oblong, IL | 1,557 | $101,264 | 69% |
| Newton, AL | 1,558 | $149,259 | 54% |
| Baidland, PA | 1,556 | $279,440 | 14% |
| Mount Carroll, IL | 1,557 | $149,208 | 54% |