| | East Haven, VT | Florence, MT | United States |
| Population | 298 | 1,000 | 329,725,481 |
| Female Population | 46.3% | 54.3% | 50.5% |
| Male Population | 53.7% | 45.7% | 49.5% |
| Median Age | 47.3 | 41.9 | 38.4 |
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| Population - 2010 | 291 | 931 | 309,327,143 |
| Population - 2000 | 301 | 901 | 285,036,114 |
| Population - 1990 | 269 | 464 | 251,960,433 |
| Pop. 2000 to Now | -2.3% | -28.3% | 15.6% |
| Pop. 1990 to Now | 9.3% | 39.2% | 30.8% |
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| Population Density | 8.0 | 1,302.1 | 93.4 |
| Land Area | 37.4 | 0.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | East Haven, VT | Florence, MT | United States |
| Age 0 to 4 | 6.4% | 3.9% | 5.9% |
| Age 5 to 9 | 5.0% | 6.6% | 6.1% |
| Age 10 to 14 | 4.4% | 5.3% | 6.6% |
| Age 15 to 17 | 7.4% | 3.8% | 3.9% |
| Age 18 to 20 | 0.7% | 6.0% | 4.0% |
| Age 21 to 24 | 2.3% | 4.1% | 5.2% |
| Age 25 to 34 | 11.1% | 16.3% | 13.8% |
| Age 35 to 44 | 10.4% | 4.6% | 12.9% |
| Age 45 to 54 | 14.8% | 5.5% | 12.6% |
| Age 55 to 59 | 6.7% | 4.5% | 6.7% |
| Age 60 to 64 | 3.0% | 12.7% | 6.3% |
| Age 65 to 74 | 20.8% | 18.4% | 9.6% |
| Age 75 to 84 | 6.4% | 7.5% | 4.5% |
| Age 85 and over | 0.7% | 0.8% | 1.9% |
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| Race | | | |
| | East Haven, VT | Florence, MT | United States |
| White | 83.6% | 77.1% | 59.4% |
| Black | 2.3% | 0.0% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 3.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 14.1% | 9.4% | 3.2% |
| Hispanic | 0.0% | 9.6% | 18.4% |
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| Marriage & Family | | | |
| | East Haven, VT | Florence, MT | United States |
| Married Population | 46.6% | 53.4% | 49.8% |
| Currently Married | 39.8% | 51.5% | 48.0% |
| Married but Separated | 6.8% | 1.9% | 1.8% |
| Single Population | 53.4% | 46.6% | 50.2% |
| Never Married | 30.3% | 24.3% | 33.8% |
| Divorced | 16.7% | 12.6% | 10.8% |
| Widowed | 6.4% | 9.6% | 5.6% |
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| Household Size | 2.26 | 2.05 | 2.60 |
| Households | 132 | 487 | 124,010,992 |
| Family Households | 88 | 256 | 80,755,759 |
| Married couple, w/children | 10.2% | 32.0% | 30.5% |
| Married couple, no children | 45.5% | 44.5% | 42.9% |
| Non Family Households | 44 | 231 | 43,255,233 |
| Single householder, w/children | 37.5% | 23.4% | 15.8% |
| Single householder, no children | 6.8% | 0.0% | 10.8% |