| Index | Lake Grove | New York | National |
| Median home price | $427,000 | $286,300 | $184,700 |
| Median rent asked | $2,028 | $1,159 | $949 |
| Avg. people per household | 2.6 | 2.6 | 2.6 |
| Owner occupied households | 83.7% | 53.6% | 63.6% |
| Renter occupied households | 16.3% | 46.4% | 36.4% |
| Population | Home Price | National Avg. | |
| Stony Brook University, NY | 8,574 | $0 | 100% |
| Ocean Beach, NY | 31 | $0 | 100% |
| Mastic Beach, NY | 15,610 | $242,100 | 31% |
| Mastic, NY | 15,068 | $267,600 | 45% |
| Middle Island, NY | 11,030 | $274,700 | 49% |
| Lake Grove, NY | 11,083 | $427,000 | 131% |
| Population | Home Price | National Avg. | |
| Sonoma, CA | 11,082 | $825,600 | 347% |
| Big Lake, MN | 11,085 | $209,900 | 14% |
| New Albany, OH | 11,085 | $515,100 | 179% |
| Westwood Lakes, FL | 11,086 | $350,100 | 90% |
| Two Rivers, WI | 11,079 | $93,400 | 49% |
| Lake Grove, NY | 11,083 | $427,000 | 131% |
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