| Index | Wonder Lake | Illinois | National |
| Median home price | $186,900 | $174,800 | $184,700 |
| Median rent asked | $726 | $925 | $949 |
| Avg. people per household | 2.3 | 2.6 | 2.6 |
| Owner occupied households | 87.0% | 66.0% | 63.6% |
| Renter occupied households | 13.0% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Round Lake Park, IL | 7,744 | $120,100 | 35% |
| Harvard, IL | 9,203 | $128,000 | 31% |
| McCullom Lake, IL | 1,193 | $138,800 | 25% |
| Lake Ivanhoe, WI | 398 | $145,200 | 21% |
| Round Lake Beach, IL | 27,313 | $149,000 | 19% |
| Wonder Lake, IL | 3,955 | $186,900 | 1% |
| Population | Home Price | National Avg. | |
| Mills, WY | 3,955 | $126,200 | 32% |
| Weaverville, NC | 3,956 | $320,300 | 73% |
| Ashland, MO | 3,956 | $196,900 | 7% |
| Level Green, PA | 3,957 | $168,400 | 9% |
| Grand Mound, WA | 3,957 | $239,000 | 29% |
| Wonder Lake, IL | 3,955 | $186,900 | 1% |
Here are the best places to live in Illinois
Top 10 cities in Illinois with the best education system
Check out the 10 safest cities in Illinois
These are the 10 most affordable cities in Illinois