| | Jackson, NJ | Annapolis, MD | United States |
| Population | 58,101 | 40,581 | 329,725,481 |
| Female Population | 51.0% | 50.2% | 50.5% |
| Male Population | 49.0% | 49.8% | 49.5% |
| Median Age | 41.1 | 37.5 | 38.4 |
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| Population - 2010 | 55,053 | 38,408 | 309,327,143 |
| Population - 2000 | 42,816 | 35,838 | 285,036,114 |
| Population - 1990 | 33,233 | 33,187 | 251,960,433 |
| Pop. 2000 to Now | 36.3% | 10.3% | 15.6% |
| Pop. 1990 to Now | 75.6% | 19.1% | 30.8% |
| space4 | | | |
| Population Density | 585.4 | 5,630.0 | 93.4 |
| Land Area | 99.2 | 7.2 | 3,531,905.4 |
| Water Area | 1.4 | 0.9 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Jackson, NJ | Annapolis, MD | United States |
| Age 0 to 4 | 7.1% | 7.2% | 5.9% |
| Age 5 to 9 | 6.0% | 5.8% | 6.1% |
| Age 10 to 14 | 6.2% | 6.4% | 6.6% |
| Age 15 to 17 | 4.4% | 3.6% | 3.9% |
| Age 18 to 20 | 3.4% | 2.8% | 4.0% |
| Age 21 to 24 | 4.9% | 5.0% | 5.2% |
| Age 25 to 34 | 11.3% | 15.2% | 13.8% |
| Age 35 to 44 | 10.8% | 12.2% | 12.9% |
| Age 45 to 54 | 13.9% | 10.9% | 12.6% |
| Age 55 to 59 | 7.2% | 7.1% | 6.7% |
| Age 60 to 64 | 7.7% | 6.5% | 6.3% |
| Age 65 to 74 | 10.6% | 10.7% | 9.6% |
| Age 75 to 84 | 4.8% | 4.5% | 4.5% |
| Age 85 and over | 1.8% | 2.0% | 1.9% |
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| Race | | | |
| | Jackson, NJ | Annapolis, MD | United States |
| White | 78.2% | 54.4% | 59.4% |
| Black | 3.8% | 21.9% | 12.2% |
| Asian | 3.5% | 2.4% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.4% | 0.4% |
| Two or More Races | 1.9% | 2.9% | 3.2% |
| Hispanic | 12.5% | 17.9% | 18.4% |
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| Marriage & Family | | | |
| | Jackson, NJ | Annapolis, MD | United States |
| Married Population | 57.8% | 47.8% | 49.8% |
| Currently Married | 56.6% | 45.8% | 48.0% |
| Married but Separated | 1.2% | 2.0% | 1.8% |
| Single Population | 42.2% | 52.2% | 50.2% |
| Never Married | 27.8% | 34.4% | 33.8% |
| Divorced | 8.7% | 13.3% | 10.8% |
| Widowed | 5.7% | 4.5% | 5.6% |
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| Household Size | 2.78 | 2.38 | 2.60 |
| Households | 20,815 | 16,813 | 124,010,992 |
| Family Households | 15,504 | 9,461 | 80,755,759 |
| Married couple, w/children | 37.9% | 27.8% | 30.5% |
| Married couple, no children | 44.6% | 45.2% | 42.9% |
| Non Family Households | 5,311 | 7,352 | 43,255,233 |
| Single householder, w/children | 7.7% | 17.1% | 15.8% |
| Single householder, no children | 9.8% | 10.0% | 10.8% |