| | Milford, CT | Lititz, PA | United States |
| Population | 52,308 | 9,485 | 329,725,481 |
| Female Population | 50.9% | 52.4% | 50.5% |
| Male Population | 49.1% | 47.6% | 49.5% |
| Median Age | 46.2 | 37.9 | 38.4 |
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| Population - 2010 | 52,797 | 9,168 | 309,327,143 |
| Population - 2000 | 52,305 | 9,029 | 285,036,114 |
| Population - 1990 | 49,938 | 8,280 | 251,960,433 |
| Pop. 2000 to Now | 4.7% | 11.0% | 15.6% |
| Pop. 1990 to Now | 9.7% | 21.0% | 30.8% |
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| Population Density | 2,358.9 | 4,084.8 | 93.4 |
| Land Area | 22.2 | 2.3 | 3,531,905.4 |
| Water Area | 3.9 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Milford, CT | Lititz, PA | United States |
| Age 0 to 4 | 4.3% | 6.7% | 5.9% |
| Age 5 to 9 | 4.4% | 9.3% | 6.1% |
| Age 10 to 14 | 4.9% | 5.5% | 6.6% |
| Age 15 to 17 | 3.8% | 2.1% | 3.9% |
| Age 18 to 20 | 2.9% | 2.3% | 4.0% |
| Age 21 to 24 | 4.4% | 5.2% | 5.2% |
| Age 25 to 34 | 12.4% | 13.4% | 13.8% |
| Age 35 to 44 | 11.7% | 12.3% | 12.9% |
| Age 45 to 54 | 15.1% | 13.1% | 12.6% |
| Age 55 to 59 | 8.7% | 4.9% | 6.7% |
| Age 60 to 64 | 7.5% | 3.9% | 6.3% |
| Age 65 to 74 | 12.1% | 11.0% | 9.6% |
| Age 75 to 84 | 5.1% | 6.1% | 4.5% |
| Age 85 and over | 2.6% | 4.4% | 1.9% |
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| Race | | | |
| | Milford, CT | Lititz, PA | United States |
| White | 81.7% | 93.0% | 59.4% |
| Black | 2.0% | 0.0% | 12.2% |
| Asian | 6.0% | 0.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 2.1% | 1.0% | 3.2% |
| Hispanic | 7.7% | 5.4% | 18.4% |
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| Marriage & Family | | | |
| | Milford, CT | Lititz, PA | United States |
| Married Population | 53.1% | 58.0% | 49.8% |
| Currently Married | 52.5% | 57.7% | 48.0% |
| Married but Separated | 0.6% | 0.3% | 1.8% |
| Single Population | 46.9% | 42.0% | 50.2% |
| Never Married | 30.6% | 23.8% | 33.8% |
| Divorced | 10.1% | 9.1% | 10.8% |
| Widowed | 6.1% | 9.1% | 5.6% |
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| Household Size | 2.43 | 2.46 | 2.60 |
| Households | 21,310 | 3,728 | 124,010,992 |
| Family Households | 13,535 | 2,517 | 80,755,759 |
| Married couple, w/children | 30.2% | 35.4% | 30.5% |
| Married couple, no children | 51.9% | 47.7% | 42.9% |
| Non Family Households | 7,775 | 1,211 | 43,255,233 |
| Single householder, w/children | 6.5% | 10.8% | 15.8% |
| Single householder, no children | 11.4% | 6.0% | 10.8% |