| Index | Harristown | Illinois | National |
| Median home price | $178,623 | $308,565 | $326,622 |
| Median rent asked | $938 | $1,374 | $1,444 |
| Avg. people per household | 2.0 | 2.6 | 2.6 |
| Owner occupied households | 85.8% | 66.0% | 63.6% |
| Renter occupied households | 14.2% | 34.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Chestnut, IL | 39 | $0 | 100% |
| Mount Auburn, IL | 662 | $136,754 | 58% |
| Decatur, IL | 74,163 | $152,582 | 53% |
| Boody, IL | 460 | $152,934 | 53% |
| Niantic, IL | 680 | $152,944 | 53% |
| Harristown, IL | 1,343 | $178,623 | 45% |
| Population | Home Price | National Avg. | |
| Larimore, ND | 1,343 | $242,511 | 26% |
| Dooms, VA | 1,343 | $347,722 | 6% |
| Melcher-Dallas, IA | 1,343 | $127,312 | 61% |
| Fulda, MN | 1,343 | $201,630 | 38% |
| Winthrop, MN | 1,343 | $207,316 | 37% |
| Harristown, IL | 1,343 | $178,623 | 45% |