| Index | Gardner | Illinois | National |
| Median home price | $145,400 | $174,800 | $184,700 |
| Median rent asked | $815 | $925 | $949 |
| Avg. people per household | 2.3 | 2.6 | 2.6 |
| Owner occupied households | 81.5% | 66.0% | 63.6% |
| Renter occupied households | 18.5% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Wilmington village, IL | 144 | $55,000 | 70% |
| Union Hill, IL | 69 | $69,300 | 62% |
| Cabery, IL | 260 | $76,200 | 59% |
| Verona, IL | 259 | $96,100 | 48% |
| Odell, IL | 869 | $98,500 | 47% |
| Gardner, IL | 1,429 | $145,400 | 21% |
| Population | Home Price | National Avg. | |
| Summerdale, AL | 1,429 | $179,400 | 3% |
| Allendale, CA | 1,429 | $671,700 | 264% |
| Brookside Village, TX | 1,429 | $193,800 | 5% |
| Elkhart, TX | 1,428 | $83,000 | 55% |
| Wellman, IA | 1,428 | $131,800 | 29% |
| Gardner, IL | 1,429 | $145,400 | 21% |
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