| Index | Island Lake | Illinois | National |
| Median home price | $184,900 | $174,800 | $184,700 |
| Median rent asked | $1,576 | $925 | $949 |
| Avg. people per household | 2.7 | 2.6 | 2.6 |
| Owner occupied households | 78.7% | 66.0% | 63.6% |
| Renter occupied households | 21.3% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Round Lake Park, IL | 7,744 | $120,100 | 35% |
| McCullom Lake, IL | 1,193 | $138,800 | 25% |
| Round Lake Beach, IL | 27,313 | $149,000 | 19% |
| Long Lake, IL | 3,065 | $151,900 | 18% |
| Holiday Hills, IL | 653 | $156,100 | 15% |
| Island Lake, IL | 8,112 | $184,900 | 0% |
| Population | Home Price | National Avg. | |
| North Bay Village, FL | 8,108 | $325,000 | 76% |
| Irondale, GA | 8,107 | $97,300 | 47% |
| Oak Island, NC | 8,118 | $259,500 | 40% |
| Eden Isle, LA | 8,103 | $285,200 | 54% |
| Croton-on-Hudson, NY | 8,121 | $584,300 | 216% |
| Island Lake, IL | 8,112 | $184,900 | 0% |
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