| | Braintree Town, MA | Skokie, IL | United States |
| Population | 38,712 | 67,444 | 329,725,481 |
| Female Population | 50.6% | 52.1% | 50.5% |
| Male Population | 49.4% | 47.9% | 49.5% |
| Median Age | 40.5 | 43 | 38.4 |
| space3 | | | |
| Population - 2010 | 35,805 | 64,870 | 309,327,143 |
| Population - 2000 | 33,734 | 63,348 | 285,036,114 |
| Population - 1990 | 33,634 | 59,432 | 251,960,433 |
| Pop. 2000 to Now | 9.9% | -1.5% | 15.6% |
| Pop. 1990 to Now | 10.2% | 5.0% | 30.8% |
| space4 | | | |
| Population Density | 2,812.8 | 6,701.5 | 93.4 |
| Land Area | 13.8 | 10.1 | 3,531,905.4 |
| Water Area | 0.8 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Braintree Town, MA | Skokie, IL | United States |
| Age 0 to 4 | 4.2% | 6.9% | 5.9% |
| Age 5 to 9 | 5.6% | 6.6% | 6.1% |
| Age 10 to 14 | 7.1% | 5.9% | 6.6% |
| Age 15 to 17 | 4.5% | 3.8% | 3.9% |
| Age 18 to 20 | 3.6% | 3.1% | 4.0% |
| Age 21 to 24 | 4.4% | 3.7% | 5.2% |
| Age 25 to 34 | 12.7% | 9.8% | 13.8% |
| Age 35 to 44 | 14.1% | 12.8% | 12.9% |
| Age 45 to 54 | 14.0% | 12.7% | 12.6% |
| Age 55 to 59 | 7.5% | 7.3% | 6.7% |
| Age 60 to 64 | 6.0% | 7.3% | 6.3% |
| Age 65 to 74 | 9.1% | 12.9% | 9.6% |
| Age 75 to 84 | 4.9% | 5.0% | 4.5% |
| Age 85 and over | 2.4% | 2.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Braintree Town, MA | Skokie, IL | United States |
| White | 71.6% | 49.9% | 59.4% |
| Black | 3.1% | 8.4% | 12.2% |
| Asian | 19.7% | 25.7% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.6% | 0.7% | 0.4% |
| Two or More Races | 2.3% | 4.0% | 3.2% |
| Hispanic | 2.6% | 11.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Braintree Town, MA | Skokie, IL | United States |
| Married Population | 51.6% | 56.8% | 49.8% |
| Currently Married | 50.7% | 55.9% | 48.0% |
| Married but Separated | 0.9% | 0.8% | 1.8% |
| Single Population | 48.4% | 43.2% | 50.2% |
| Never Married | 34.8% | 30.0% | 33.8% |
| Divorced | 7.6% | 7.1% | 10.8% |
| Widowed | 6.0% | 6.1% | 5.6% |
| space5 | | | |
| Household Size | 2.65 | 2.77 | 2.60 |
| Households | 14,384 | 24,067 | 124,010,992 |
| Family Households | 9,671 | 17,333 | 80,755,759 |
| Married couple, w/children | 38.2% | 33.2% | 30.5% |
| Married couple, no children | 40.0% | 45.1% | 42.9% |
| Non Family Households | 4,713 | 6,734 | 43,255,233 |
| Single householder, w/children | 11.0% | 10.5% | 15.8% |
| Single householder, no children | 10.7% | 11.2% | 10.8% |