| Index | Old Brookville | New York | National |
| Median home price | $1,821,400 | $286,300 | $184,700 |
| Median rent asked | $1,849 | $1,159 | $949 |
| Avg. people per household | 2.8 | 2.6 | 2.6 |
| Owner occupied households | 82.5% | 53.6% | 63.6% |
| Renter occupied households | 17.5% | 46.4% | 36.4% |
| Population | Home Price | National Avg. | |
| Greenville CDP (Greene County), NY | 604 | $164,600 | 11% |
| Wyandanch, NY | 11,632 | $294,200 | 59% |
| Hartsdale, NY | 3,205 | $325,600 | 76% |
| Roosevelt, NY | 16,522 | $326,900 | 77% |
| Roslyn, NY | 2,888 | $333,000 | 80% |
| Old Brookville, NY | 1,791 | $1,821,400 | 886% |
| Population | Home Price | National Avg. | |
| Richland, PA | 1,791 | $166,900 | 10% |
| King, WI | 1,790 | $142,900 | 23% |
| Montpelier, IN | 1,790 | $56,200 | 70% |
| Epworth, IA | 1,792 | $175,100 | 5% |
| Cottonport, LA | 1,792 | $93,100 | 50% |
| Old Brookville, NY | 1,791 | $1,821,400 | 886% |
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