| Index | Port Jefferson | New York | National |
| Median home price | $975,605 | $503,498 | $326,622 |
| Median rent asked | $2,922 | $1,761 | $1,444 |
| Avg. people per household | 2.4 | 2.6 | 2.6 |
| Owner occupied households | 72.8% | 53.6% | 63.6% |
| Renter occupied households | 27.2% | 46.4% | 36.4% |

| Population | Home Price | National Avg. | |
| Stony Brook University, NY | 8,775 | $0 | 100% |
| Calverton, NY | 5,399 | $332,650 | 2% |
| Mastic Beach, NY | 16,076 | $442,556 | 35% |
| Mastic, NY | 15,624 | $485,233 | 49% |
| Middle Island, NY | 11,454 | $488,301 | 50% |
| Port Jefferson, NY | 8,248 | $975,605 | 199% |
| Population | Home Price | National Avg. | |
| Groesbeck, OH | 8,249 | $273,851 | 16% |
| Conshohocken, PA | 8,252 | $603,867 | 85% |
| Chestnut Ridge, NY | 8,254 | $964,450 | 195% |
| Mansfield Center, MA | 8,240 | $641,964 | 97% |
| Jefferson, WI | 8,237 | $294,481 | 10% |
| Port Jefferson, NY | 8,248 | $975,605 | 199% |