| | Easton, MA | Lancaster, PA | United States |
| Population | 24,962 | 58,034 | 329,725,481 |
| Female Population | 52.4% | 52.3% | 50.5% |
| Male Population | 47.7% | 47.7% | 49.5% |
| Median Age | 41.9 | 32.3 | 38.4 |
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| Population - 2010 | 23,345 | 59,277 | 309,327,143 |
| Population - 2000 | 22,299 | 56,348 | 285,036,114 |
| Population - 1990 | 19,807 | 55,551 | 251,960,433 |
| Pop. 2000 to Now | 12.6% | 4.7% | 15.6% |
| Pop. 1990 to Now | 26.8% | 6.2% | 30.8% |
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| Population Density | 868.0 | 8,030.2 | 93.4 |
| Land Area | 28.8 | 7.2 | 3,531,905.4 |
| Water Area | 0.5 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Easton, MA | Lancaster, PA | United States |
| Age 0 to 4 | 3.1% | 6.4% | 5.9% |
| Age 5 to 9 | 5.5% | 5.8% | 6.1% |
| Age 10 to 14 | 8.0% | 6.7% | 6.6% |
| Age 15 to 17 | 3.6% | 3.9% | 3.9% |
| Age 18 to 20 | 8.4% | 7.2% | 4.0% |
| Age 21 to 24 | 4.8% | 6.5% | 5.2% |
| Age 25 to 34 | 9.8% | 18.4% | 13.8% |
| Age 35 to 44 | 11.4% | 14.2% | 12.9% |
| Age 45 to 54 | 15.2% | 11.1% | 12.6% |
| Age 55 to 59 | 6.6% | 5.7% | 6.7% |
| Age 60 to 64 | 5.3% | 5.1% | 6.3% |
| Age 65 to 74 | 10.9% | 5.9% | 9.6% |
| Age 75 to 84 | 5.4% | 2.3% | 4.5% |
| Age 85 and over | 1.9% | 0.8% | 1.9% |
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| Race | | | |
| | Easton, MA | Lancaster, PA | United States |
| White | 82.2% | 38.8% | 59.4% |
| Black | 5.0% | 13.0% | 12.2% |
| Asian | 3.0% | 3.2% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 1.3% | 0.1% | 0.4% |
| Two or More Races | 3.2% | 4.4% | 3.2% |
| Hispanic | 5.1% | 40.4% | 18.4% |
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| Marriage & Family | | | |
| | Easton, MA | Lancaster, PA | United States |
| Married Population | 52.5% | 36.5% | 49.8% |
| Currently Married | 50.9% | 34.3% | 48.0% |
| Married but Separated | 1.6% | 2.1% | 1.8% |
| Single Population | 47.5% | 63.5% | 50.2% |
| Never Married | 32.1% | 50.2% | 33.8% |
| Divorced | 9.9% | 10.4% | 10.8% |
| Widowed | 5.5% | 2.9% | 5.6% |
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| Household Size | 2.55 | 2.56 | 2.60 |
| Households | 8,993 | 21,266 | 124,010,992 |
| Family Households | 6,375 | 12,371 | 80,755,759 |
| Married couple, w/children | 33.3% | 23.4% | 30.5% |
| Married couple, no children | 45.7% | 33.0% | 42.9% |
| Non Family Households | 2,618 | 8,895 | 43,255,233 |
| Single householder, w/children | 10.8% | 27.7% | 15.8% |
| Single householder, no children | 10.1% | 15.9% | 10.8% |