| | Vienna, ME | East Brookfield, MA | United States |
| Population | 602 | 2,040 | 329,725,481 |
| Female Population | 44.9% | 48.6% | 50.5% |
| Male Population | 55.2% | 51.4% | 49.5% |
| Median Age | 38.3 | 50.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 572 | 2,191 | 309,327,143 |
| Population - 2000 | 527 | 2,097 | 285,036,114 |
| Population - 1990 | 417 | 2,033 | 251,960,433 |
| Pop. 2000 to Now | 9.7% | 4.7% | 15.6% |
| Pop. 1990 to Now | 38.6% | 8.0% | 30.8% |
| space4 | | | |
| Population Density | 24.8 | 207.0 | 93.4 |
| Land Area | 24.3 | 9.9 | 3,531,905.4 |
| Water Area | 1.2 | 0.6 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Vienna, ME | East Brookfield, MA | United States |
| Age 0 to 4 | 8.5% | 6.0% | 5.9% |
| Age 5 to 9 | 10.1% | 5.7% | 6.1% |
| Age 10 to 14 | 8.1% | 2.3% | 6.6% |
| Age 15 to 17 | 0.5% | 2.3% | 3.9% |
| Age 18 to 20 | 3.3% | 1.7% | 4.0% |
| Age 21 to 24 | 4.2% | 3.7% | 5.2% |
| Age 25 to 34 | 10.8% | 12.5% | 13.8% |
| Age 35 to 44 | 11.6% | 10.3% | 12.9% |
| Age 45 to 54 | 14.6% | 11.5% | 12.6% |
| Age 55 to 59 | 3.0% | 5.9% | 6.7% |
| Age 60 to 64 | 8.8% | 14.7% | 6.3% |
| Age 65 to 74 | 9.5% | 14.4% | 9.6% |
| Age 75 to 84 | 4.0% | 6.8% | 4.5% |
| Age 85 and over | 3.0% | 2.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Vienna, ME | East Brookfield, MA | United States |
| White | 90.9% | 91.9% | 59.4% |
| Black | 0.0% | 1.3% | 12.2% |
| Asian | 1.2% | 0.9% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.7% | 1.6% | 3.2% |
| Hispanic | 6.3% | 4.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Vienna, ME | East Brookfield, MA | United States |
| Married Population | 66.4% | 59.0% | 49.8% |
| Currently Married | 66.4% | 58.4% | 48.0% |
| Married but Separated | 0.0% | 0.7% | 1.8% |
| Single Population | 33.6% | 41.0% | 50.2% |
| Never Married | 16.8% | 28.8% | 33.8% |
| Divorced | 10.2% | 6.5% | 10.8% |
| Widowed | 6.6% | 5.7% | 5.6% |
| space5 | | | |
| Household Size | 2.63 | 2.44 | 2.60 |
| Households | 229 | 835 | 124,010,992 |
| Family Households | 180 | 638 | 80,755,759 |
| Married couple, w/children | 50.0% | 18.7% | 30.5% |
| Married couple, no children | 32.8% | 54.7% | 42.9% |
| Non Family Households | 49 | 197 | 43,255,233 |
| Single householder, w/children | 5.6% | 9.9% | 15.8% |
| Single householder, no children | 11.7% | 16.8% | 10.8% |