| Index | Clay City | Illinois | National |
| Median home price | $116,867 | $308,565 | $326,622 |
| Median rent asked | $663 | $1,374 | $1,444 |
| Avg. people per household | 2.5 | 2.6 | 2.6 |
| Owner occupied households | 69.7% | 66.0% | 63.6% |
| Renter occupied households | 30.3% | 34.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Johnsonville, IL | 51 | $0 | 100% |
| Sailor Springs, IL | 117 | $0 | 100% |
| Noble, IL | 673 | $88,525 | 73% |
| Cisne, IL | 516 | $114,126 | 65% |
| Louisville, IL | 1,143 | $114,319 | 65% |
| Clay City, IL | 917 | $116,867 | 64% |
| Population | Home Price | National Avg. | |
| Arbon Valley, ID | 917 | $234,899 | 28% |
| Carolina, RI | 917 | $533,172 | 63% |
| Hopland, CA | 917 | $865,892 | 165% |
| Buras, LA | 917 | $79,506 | 76% |
| Carthage, IN | 917 | $143,210 | 56% |
| Clay City, IL | 917 | $116,867 | 64% |