| Index | Old Greenwich | Connecticut | National |
| Median home price | $2,969,922 | $489,569 | $326,622 |
| Median rent asked | $3,133 | $1,623 | $1,444 |
| Avg. people per household | 3.1 | 2.5 | 2.6 |
| Owner occupied households | 85.1% | 66.5% | 63.6% |
| Renter occupied households | 14.9% | 33.5% | 36.4% |

| Population | Home Price | National Avg. | |
| Cannondale, CT | 456 | $0 | 100% |
| Greenville CDP (Greene County), NY | 616 | $289,158 | 11% |
| Hartsdale, NY | 3,308 | $589,376 | 80% |
| Mount Vernon, NY | 69,130 | $673,852 | 106% |
| Huntington Station, NY | 34,661 | $706,282 | 116% |
| Old Greenwich, CT | 7,189 | $2,969,922 | 809% |
| Population | Home Price | National Avg. | |
| Oakdale, NY | 7,188 | $796,555 | 144% |
| Pelham, NY | 7,190 | $1,235,867 | 278% |
| Souderton, PA | 7,184 | $425,240 | 30% |
| Pinehurst, MA | 7,184 | $761,909 | 133% |
| Huntingdon, PA | 7,182 | $241,030 | 26% |
| Old Greenwich, CT | 7,189 | $2,969,922 | 809% |