| | Westminster, MD | Fort Wayne, IN | United States |
| Population | 19,783 | 262,676 | 329,725,481 |
| Female Population | 51.3% | 51.2% | 50.5% |
| Male Population | 48.7% | 48.8% | 49.5% |
| Median Age | 37.1 | 35.1 | 38.4 |
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| Population - 2010 | 18,524 | 254,134 | 309,327,143 |
| Population - 2000 | 16,731 | 205,727 | 285,036,114 |
| Population - 1990 | 13,068 | 173,072 | 251,960,433 |
| Pop. 2000 to Now | 11.8% | 32.4% | 15.6% |
| Pop. 1990 to Now | 43.2% | 57.4% | 30.8% |
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| Population Density | 2,973.6 | 2,374.5 | 93.4 |
| Land Area | 6.7 | 110.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Westminster, MD | Fort Wayne, IN | United States |
| Age 0 to 4 | 5.0% | 7.0% | 5.9% |
| Age 5 to 9 | 5.1% | 6.8% | 6.1% |
| Age 10 to 14 | 5.1% | 6.7% | 6.6% |
| Age 15 to 17 | 3.4% | 4.1% | 3.9% |
| Age 18 to 20 | 8.4% | 4.0% | 4.0% |
| Age 21 to 24 | 7.7% | 6.2% | 5.2% |
| Age 25 to 34 | 12.8% | 15.1% | 13.8% |
| Age 35 to 44 | 11.5% | 12.2% | 12.9% |
| Age 45 to 54 | 13.6% | 11.7% | 12.6% |
| Age 55 to 59 | 4.4% | 6.4% | 6.7% |
| Age 60 to 64 | 6.0% | 5.7% | 6.3% |
| Age 65 to 74 | 8.3% | 8.4% | 9.6% |
| Age 75 to 84 | 5.1% | 3.7% | 4.5% |
| Age 85 and over | 3.7% | 1.9% | 1.9% |
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| Race | | | |
| | Westminster, MD | Fort Wayne, IN | United States |
| White | 77.9% | 65.3% | 59.4% |
| Black | 7.8% | 15.0% | 12.2% |
| Asian | 2.5% | 5.5% | 5.6% |
| Native American | 0.2% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 4.5% | 4.3% | 3.2% |
| Hispanic | 7.0% | 9.5% | 18.4% |
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| Marriage & Family | | | |
| | Westminster, MD | Fort Wayne, IN | United States |
| Married Population | 44.6% | 45.7% | 49.8% |
| Currently Married | 43.8% | 44.2% | 48.0% |
| Married but Separated | 0.9% | 1.5% | 1.8% |
| Single Population | 55.4% | 54.3% | 50.2% |
| Never Married | 37.6% | 36.1% | 33.8% |
| Divorced | 10.1% | 12.3% | 10.8% |
| Widowed | 7.6% | 5.9% | 5.6% |
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| Household Size | 2.31 | 2.42 | 2.60 |
| Households | 7,736 | 106,669 | 124,010,992 |
| Family Households | 4,769 | 63,566 | 80,755,759 |
| Married couple, w/children | 29.7% | 28.4% | 30.5% |
| Married couple, no children | 44.5% | 39.7% | 42.9% |
| Non Family Households | 2,967 | 43,103 | 43,255,233 |
| Single householder, w/children | 15.0% | 22.2% | 15.8% |
| Single householder, no children | 10.9% | 9.8% | 10.8% |