| | Farmington, CT | White Plains, NY | United States |
| Population | 26,559 | 59,452 | 329,725,481 |
| Female Population | 52.5% | 51.6% | 50.5% |
| Male Population | 47.5% | 48.4% | 49.5% |
| Median Age | 43.8 | 41.4 | 38.4 |
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| Population - 2010 | 25,361 | 56,903 | 309,327,143 |
| Population - 2000 | 23,641 | 53,077 | 285,036,114 |
| Population - 1990 | 20,608 | 48,718 | 251,960,433 |
| Pop. 2000 to Now | 7.9% | 9.8% | 15.6% |
| Pop. 1990 to Now | 23.7% | 19.6% | 30.8% |
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| Population Density | 946.6 | 6,071.5 | 93.4 |
| Land Area | 28.1 | 9.8 | 3,531,905.4 |
| Water Area | 0.8 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Farmington, CT | White Plains, NY | United States |
| Age 0 to 4 | 4.1% | 5.2% | 5.9% |
| Age 5 to 9 | 5.5% | 5.2% | 6.1% |
| Age 10 to 14 | 6.2% | 4.8% | 6.6% |
| Age 15 to 17 | 3.6% | 3.1% | 3.9% |
| Age 18 to 20 | 2.5% | 3.3% | 4.0% |
| Age 21 to 24 | 4.7% | 5.7% | 5.2% |
| Age 25 to 34 | 12.0% | 14.8% | 13.8% |
| Age 35 to 44 | 13.2% | 12.3% | 12.9% |
| Age 45 to 54 | 12.2% | 12.6% | 12.6% |
| Age 55 to 59 | 8.3% | 7.3% | 6.7% |
| Age 60 to 64 | 7.4% | 6.9% | 6.3% |
| Age 65 to 74 | 10.0% | 10.5% | 9.6% |
| Age 75 to 84 | 7.0% | 5.1% | 4.5% |
| Age 85 and over | 3.1% | 3.1% | 1.9% |
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| Race | | | |
| | Farmington, CT | White Plains, NY | United States |
| White | 70.7% | 46.4% | 59.4% |
| Black | 3.2% | 11.9% | 12.2% |
| Asian | 16.4% | 7.6% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 1.2% | 0.4% |
| Two or More Races | 2.2% | 2.1% | 3.2% |
| Hispanic | 6.9% | 30.8% | 18.4% |
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| Marriage & Family | | | |
| | Farmington, CT | White Plains, NY | United States |
| Married Population | 57.4% | 50.1% | 49.8% |
| Currently Married | 56.8% | 47.7% | 48.0% |
| Married but Separated | 0.6% | 2.4% | 1.8% |
| Single Population | 42.6% | 49.9% | 50.2% |
| Never Married | 27.3% | 36.8% | 33.8% |
| Divorced | 9.8% | 8.0% | 10.8% |
| Widowed | 5.5% | 5.1% | 5.6% |
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| Household Size | 2.38 | 2.46 | 2.60 |
| Households | 10,986 | 23,709 | 124,010,992 |
| Family Households | 7,338 | 14,382 | 80,755,759 |
| Married couple, w/children | 33.6% | 32.2% | 30.5% |
| Married couple, no children | 51.0% | 44.2% | 42.9% |
| Non Family Households | 3,648 | 9,327 | 43,255,233 |
| Single householder, w/children | 6.4% | 11.0% | 15.8% |
| Single householder, no children | 8.9% | 12.6% | 10.8% |