| | Otsego, MI | Accokeek, MD | United States |
| Population | 4,083 | 12,241 | 329,725,481 |
| Female Population | 57.7% | 51.3% | 50.5% |
| Male Population | 42.3% | 48.7% | 49.5% |
| Median Age | 41.1 | 44.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,966 | 10,513 | 309,327,143 |
| Population - 2000 | 3,933 | 7,349 | 285,036,114 |
| Population - 1990 | 3,937 | 4,477 | 251,960,433 |
| Pop. 2000 to Now | 1.4% | 57.6% | 15.6% |
| Pop. 1990 to Now | 1.3% | 158.7% | 30.8% |
| space4 | | | |
| Population Density | 2,033.4 | 446.3 | 93.4 |
| Land Area | 2.0 | 27.4 | 3,531,905.4 |
| Water Area | 0.1 | 1.4 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Otsego, MI | Accokeek, MD | United States |
| Age 0 to 4 | 4.1% | 6.9% | 5.9% |
| Age 5 to 9 | 7.3% | 4.6% | 6.1% |
| Age 10 to 14 | 7.6% | 8.0% | 6.6% |
| Age 15 to 17 | 0.9% | 2.5% | 3.9% |
| Age 18 to 20 | 4.2% | 2.4% | 4.0% |
| Age 21 to 24 | 2.1% | 4.9% | 5.2% |
| Age 25 to 34 | 11.4% | 8.6% | 13.8% |
| Age 35 to 44 | 17.0% | 12.4% | 12.9% |
| Age 45 to 54 | 9.2% | 18.8% | 12.6% |
| Age 55 to 59 | 14.0% | 10.4% | 6.7% |
| Age 60 to 64 | 9.7% | 8.5% | 6.3% |
| Age 65 to 74 | 4.2% | 7.0% | 9.6% |
| Age 75 to 84 | 6.6% | 3.7% | 4.5% |
| Age 85 and over | 1.7% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Otsego, MI | Accokeek, MD | United States |
| White | 74.4% | 24.2% | 59.4% |
| Black | 0.2% | 60.0% | 12.2% |
| Asian | 0.8% | 5.4% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 8.4% | 0.2% | 0.4% |
| Two or More Races | 10.0% | 6.7% | 3.2% |
| Hispanic | 6.2% | 3.5% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Otsego, MI | Accokeek, MD | United States |
| Married Population | 57.4% | 53.2% | 49.8% |
| Currently Married | 54.0% | 51.7% | 48.0% |
| Married but Separated | 3.3% | 1.5% | 1.8% |
| Single Population | 42.6% | 46.8% | 50.2% |
| Never Married | 19.5% | 28.2% | 33.8% |
| Divorced | 15.7% | 13.9% | 10.8% |
| Widowed | 7.4% | 4.7% | 5.6% |
| space5 | | | |
| Household Size | 2.38 | 2.85 | 2.60 |
| Households | 1,711 | 4,285 | 124,010,992 |
| Family Households | 1,199 | 3,038 | 80,755,759 |
| Married couple, w/children | 36.5% | 31.3% | 30.5% |
| Married couple, no children | 41.1% | 44.7% | 42.9% |
| Non Family Households | 512 | 1,247 | 43,255,233 |
| Single householder, w/children | 12.8% | 10.1% | 15.8% |
| Single householder, no children | 9.6% | 13.9% | 10.8% |