| | Ogdensburg, NY | Westminster, MD | United States |
| Population | 10,153 | 19,783 | 329,725,481 |
| Female Population | 44.1% | 51.3% | 50.5% |
| Male Population | 55.9% | 48.7% | 49.5% |
| Median Age | 41.3 | 37.1 | 38.4 |
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| Population - 2010 | 11,106 | 18,524 | 309,327,143 |
| Population - 2000 | 12,364 | 16,731 | 285,036,114 |
| Population - 1990 | 13,521 | 13,068 | 251,960,433 |
| Pop. 2000 to Now | -16.0% | 11.8% | 15.6% |
| Pop. 1990 to Now | -23.2% | 43.2% | 30.8% |
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| Population Density | 2,048.6 | 2,973.6 | 93.4 |
| Land Area | 5.0 | 6.7 | 3,531,905.4 |
| Water Area | 3.2 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ogdensburg, NY | Westminster, MD | United States |
| Age 0 to 4 | 3.9% | 5.0% | 5.9% |
| Age 5 to 9 | 6.9% | 5.1% | 6.1% |
| Age 10 to 14 | 5.5% | 5.1% | 6.6% |
| Age 15 to 17 | 2.5% | 3.4% | 3.9% |
| Age 18 to 20 | 1.7% | 8.4% | 4.0% |
| Age 21 to 24 | 4.8% | 7.7% | 5.2% |
| Age 25 to 34 | 16.3% | 12.8% | 13.8% |
| Age 35 to 44 | 13.4% | 11.5% | 12.9% |
| Age 45 to 54 | 13.6% | 13.6% | 12.6% |
| Age 55 to 59 | 9.9% | 4.4% | 6.7% |
| Age 60 to 64 | 5.4% | 6.0% | 6.3% |
| Age 65 to 74 | 8.2% | 8.3% | 9.6% |
| Age 75 to 84 | 5.6% | 5.1% | 4.5% |
| Age 85 and over | 2.4% | 3.7% | 1.9% |
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| Race | | | |
| | Ogdensburg, NY | Westminster, MD | United States |
| White | 83.2% | 77.9% | 59.4% |
| Black | 9.3% | 7.8% | 12.2% |
| Asian | 1.1% | 2.5% | 5.6% |
| Native American | 1.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.3% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 1.4% | 4.5% | 3.2% |
| Hispanic | 3.6% | 7.0% | 18.4% |
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| Marriage & Family | | | |
| | Ogdensburg, NY | Westminster, MD | United States |
| Married Population | 37.0% | 44.6% | 49.8% |
| Currently Married | 33.8% | 43.8% | 48.0% |
| Married but Separated | 3.2% | 0.9% | 1.8% |
| Single Population | 63.0% | 55.4% | 50.2% |
| Never Married | 40.3% | 37.6% | 33.8% |
| Divorced | 14.5% | 10.1% | 10.8% |
| Widowed | 8.2% | 7.6% | 5.6% |
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| Household Size | 2.15 | 2.31 | 2.60 |
| Households | 3,851 | 7,736 | 124,010,992 |
| Family Households | 2,396 | 4,769 | 80,755,759 |
| Married couple, w/children | 18.9% | 29.7% | 30.5% |
| Married couple, no children | 37.6% | 44.5% | 42.9% |
| Non Family Households | 1,455 | 2,967 | 43,255,233 |
| Single householder, w/children | 29.0% | 15.0% | 15.8% |
| Single householder, no children | 14.5% | 10.9% | 10.8% |