| Index | Old Greenwich | Connecticut | National |
| Median home price | $1,615,300 | $269,300 | $184,700 |
| Median rent asked | $2,089 | $1,094 | $949 |
| 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 | 440 | $0 | 100% |
| Greenville CDP (Greene County), NY | 604 | $164,600 | 11% |
| Hartsdale, NY | 3,205 | $325,600 | 76% |
| Mount Vernon, NY | 67,623 | $367,200 | 99% |
| Huntington Station, NY | 33,612 | $403,400 | 118% |
| Old Greenwich, CT | 6,980 | $1,615,300 | 775% |
| Population | Home Price | National Avg. | |
| King, NC | 6,980 | $163,800 | 11% |
| Great Neck Plaza, NY | 6,980 | $380,400 | 106% |
| Oak Ridge, NC | 6,979 | $395,100 | 114% |
| Clinton, IL | 6,982 | $81,600 | 56% |
| Benton, IL | 6,977 | $75,700 | 59% |
| Old Greenwich, CT | 6,980 | $1,615,300 | 775% |
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