| | Otisfield, ME | Brownfield, ME | United States |
| Population | 2,037 | 1,658 | 329,725,481 |
| Female Population | 47.5% | 51.7% | 50.5% |
| Male Population | 52.5% | 48.3% | 49.5% |
| Median Age | 52.3 | 41.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,771 | 1,596 | 309,327,143 |
| Population - 2000 | 1,560 | 1,251 | 285,036,114 |
| Population - 1990 | 1,136 | 1,034 | 251,960,433 |
| Pop. 2000 to Now | 16.6% | 32.1% | 15.6% |
| Pop. 1990 to Now | 60.1% | 59.9% | 30.8% |
| space4 | | | |
| Population Density | 51.0 | 37.3 | 93.4 |
| Land Area | 39.9 | 44.5 | 3,531,905.4 |
| Water Area | 4.3 | 1.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Otisfield, ME | Brownfield, ME | United States |
| Age 0 to 4 | 6.0% | 12.7% | 5.9% |
| Age 5 to 9 | 3.1% | 4.6% | 6.1% |
| Age 10 to 14 | 5.9% | 1.5% | 6.6% |
| Age 15 to 17 | 2.9% | 8.2% | 3.9% |
| Age 18 to 20 | 1.2% | 1.4% | 4.0% |
| Age 21 to 24 | 3.8% | 7.1% | 5.2% |
| Age 25 to 34 | 7.4% | 11.0% | 13.8% |
| Age 35 to 44 | 12.3% | 6.8% | 12.9% |
| Age 45 to 54 | 10.7% | 13.5% | 12.6% |
| Age 55 to 59 | 10.8% | 6.6% | 6.7% |
| Age 60 to 64 | 14.9% | 9.2% | 6.3% |
| Age 65 to 74 | 12.1% | 12.5% | 9.6% |
| Age 75 to 84 | 6.6% | 3.4% | 4.5% |
| Age 85 and over | 2.2% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Otisfield, ME | Brownfield, ME | United States |
| White | 98.5% | 94.8% | 59.4% |
| Black | 0.1% | 0.0% | 12.2% |
| Asian | 0.0% | 1.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 1.0% | 3.4% | 3.2% |
| Hispanic | 0.3% | 0.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Otisfield, ME | Brownfield, ME | United States |
| Married Population | 61.2% | 50.6% | 49.8% |
| Currently Married | 60.7% | 49.5% | 48.0% |
| Married but Separated | 0.5% | 1.1% | 1.8% |
| Single Population | 38.8% | 49.4% | 50.2% |
| Never Married | 22.4% | 31.3% | 33.8% |
| Divorced | 11.5% | 13.6% | 10.8% |
| Widowed | 4.9% | 4.5% | 5.6% |
| space5 | | | |
| Household Size | 2.73 | 2.70 | 2.60 |
| Households | 742 | 613 | 124,010,992 |
| Family Households | 539 | 411 | 80,755,759 |
| Married couple, w/children | 30.4% | 26.0% | 30.5% |
| Married couple, no children | 60.5% | 53.0% | 42.9% |
| Non Family Households | 203 | 202 | 43,255,233 |
| Single householder, w/children | 4.6% | 11.9% | 15.8% |
| Single householder, no children | 4.5% | 9.0% | 10.8% |