| Index | Commack | New York | National |
| Median home price | $933,098 | $503,498 | $326,622 |
| Median rent asked | $2,847 | $1,761 | $1,444 |
| Avg. people per household | 2.6 | 2.6 | 2.6 |
| Owner occupied households | 93.1% | 53.6% | 63.6% |
| Renter occupied households | 6.9% | 46.4% | 36.4% |

| Population | Home Price | National Avg. | |
| Ocean Beach, NY | 32 | $0 | 100% |
| Stony Brook University, NY | 8,775 | $0 | 100% |
| Saltaire, NY | 26 | $0 | 100% |
| Wyandanch, NY | 11,925 | $532,585 | 63% |
| Central Islip, NY | 34,526 | $540,392 | 65% |
| Commack, NY | 38,358 | $933,098 | 186% |
| Population | Home Price | National Avg. | |
| Carpentersville, IL | 38,383 | $318,737 | 2% |
| Cottage Grove, MN | 38,398 | $468,138 | 43% |
| Muskegon, MI | 38,255 | $141,717 | 57% |
| Meridian, MS | 38,491 | $154,953 | 53% |
| Mechanicsville, VA | 38,496 | $428,499 | 31% |
| Commack, NY | 38,358 | $933,098 | 186% |