| Index | Harbor Isle | New York | National |
| Median home price | $840,951 | $503,498 | $326,622 |
| Median rent asked | $0 | $1,761 | $1,444 |
| Avg. people per household | 1.5 | 2.6 | 2.6 |
| Owner occupied households | 100.0% | 53.6% | 63.6% |
| Renter occupied households | 0.0% | 46.4% | 36.4% |

| Population | Home Price | National Avg. | |
| Roosevelt, NY | 17,011 | $585,157 | 79% |
| Roslyn, NY | 2,998 | $594,028 | 82% |
| North Amityville, NY | 19,627 | $612,962 | 88% |
| North Lindenhurst, NY | 11,096 | $613,077 | 88% |
| Hempstead, NY | 56,908 | $616,558 | 89% |
| Harbor Isle, NY | 1,029 | $840,951 | 157% |
| Population | Home Price | National Avg. | |
| Clayton, IN | 1,029 | $278,652 | 15% |
| Mansfield, IL | 1,029 | $224,440 | 31% |
| Bloomville, OH | 1,029 | $122,842 | 62% |
| Neffs, OH | 1,028 | $134,901 | 59% |
| Ponderosa Pine, NM | 1,030 | $497,034 | 52% |
| Harbor Isle, NY | 1,029 | $840,951 | 157% |