| | West Hartford, CT | Longmeadow, MA | United States |
| Population | 64,034 | 15,863 | 329,725,481 |
| Female Population | 52.4% | 53.6% | 50.5% |
| Male Population | 47.6% | 46.4% | 49.5% |
| Median Age | 39.9 | 44.5 | 38.4 |
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| Population - 2010 | 62,898 | 15,810 | 309,327,143 |
| Population - 2000 | 63,589 | 15,633 | 285,036,114 |
| Population - 1990 | 60,110 | 15,467 | 251,960,433 |
| Pop. 2000 to Now | -1.2% | -0.1% | 15.6% |
| Pop. 1990 to Now | 4.5% | 1.0% | 30.8% |
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| Population Density | 2,932.2 | 1,739.6 | 93.4 |
| Land Area | 21.8 | 9.1 | 3,531,905.4 |
| Water Area | 0.4 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | West Hartford, CT | Longmeadow, MA | United States |
| Age 0 to 4 | 5.3% | 5.6% | 5.9% |
| Age 5 to 9 | 5.6% | 6.2% | 6.1% |
| Age 10 to 14 | 6.8% | 8.8% | 6.6% |
| Age 15 to 17 | 4.6% | 4.3% | 3.9% |
| Age 18 to 20 | 3.7% | 3.4% | 4.0% |
| Age 21 to 24 | 4.4% | 3.0% | 5.2% |
| Age 25 to 34 | 13.3% | 7.7% | 13.8% |
| Age 35 to 44 | 12.1% | 11.4% | 12.9% |
| Age 45 to 54 | 11.9% | 14.0% | 12.6% |
| Age 55 to 59 | 6.4% | 6.8% | 6.7% |
| Age 60 to 64 | 7.4% | 6.5% | 6.3% |
| Age 65 to 74 | 9.5% | 12.8% | 9.6% |
| Age 75 to 84 | 5.2% | 5.6% | 4.5% |
| Age 85 and over | 3.7% | 3.9% | 1.9% |
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| Race | | | |
| | West Hartford, CT | Longmeadow, MA | United States |
| White | 69.4% | 85.0% | 59.4% |
| Black | 6.7% | 1.5% | 12.2% |
| Asian | 7.6% | 6.4% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 2.5% | 1.8% | 3.2% |
| Hispanic | 13.1% | 5.3% | 18.4% |
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| Marriage & Family | | | |
| | West Hartford, CT | Longmeadow, MA | United States |
| Married Population | 50.7% | 62.3% | 49.8% |
| Currently Married | 49.5% | 61.8% | 48.0% |
| Married but Separated | 1.1% | 0.5% | 1.8% |
| Single Population | 49.3% | 37.7% | 50.2% |
| Never Married | 34.3% | 21.7% | 33.8% |
| Divorced | 9.3% | 8.3% | 10.8% |
| Widowed | 5.8% | 7.8% | 5.6% |
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| Household Size | 2.43 | 2.63 | 2.60 |
| Households | 25,805 | 5,821 | 124,010,992 |
| Family Households | 16,161 | 4,266 | 80,755,759 |
| Married couple, w/children | 34.1% | 41.3% | 30.5% |
| Married couple, no children | 43.0% | 47.6% | 42.9% |
| Non Family Households | 9,644 | 1,555 | 43,255,233 |
| Single householder, w/children | 13.2% | 6.0% | 15.8% |
| Single householder, no children | 9.7% | 5.1% | 10.8% |