| | Tower Lakes, IL | Lake Barrington, IL | United States |
| Population | 1,340 | 5,557 | 329,725,481 |
| Female Population | 48.1% | 50.7% | 50.5% |
| Male Population | 51.9% | 49.3% | 49.5% |
| Median Age | 46.1 | 55.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,282 | 4,959 | 309,327,143 |
| Population - 2000 | 1,310 | 4,757 | 285,036,114 |
| Population - 1990 | 1,333 | 3,855 | 251,960,433 |
| Pop. 2000 to Now | -7.0% | 1.7% | 15.6% |
| Pop. 1990 to Now | -8.6% | 25.6% | 30.8% |
| space4 | | | |
| Population Density | 1,464.5 | 968.8 | 93.4 |
| Land Area | 0.9 | 5.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Tower Lakes, IL | Lake Barrington, IL | United States |
| Age 0 to 4 | 3.3% | 3.1% | 5.9% |
| Age 5 to 9 | 9.1% | 4.6% | 6.1% |
| Age 10 to 14 | 7.8% | 6.2% | 6.6% |
| Age 15 to 17 | 3.8% | 3.3% | 3.9% |
| Age 18 to 20 | 3.1% | 3.7% | 4.0% |
| Age 21 to 24 | 6.3% | 3.7% | 5.2% |
| Age 25 to 34 | 6.5% | 5.9% | 13.8% |
| Age 35 to 44 | 8.5% | 6.6% | 12.9% |
| Age 45 to 54 | 15.5% | 12.2% | 12.6% |
| Age 55 to 59 | 6.1% | 10.0% | 6.7% |
| Age 60 to 64 | 9.0% | 8.0% | 6.3% |
| Age 65 to 74 | 12.5% | 15.1% | 9.6% |
| Age 75 to 84 | 7.5% | 7.8% | 4.5% |
| Age 85 and over | 0.9% | 9.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Tower Lakes, IL | Lake Barrington, IL | United States |
| White | 93.9% | 91.0% | 59.4% |
| Black | 0.7% | 0.2% | 12.2% |
| Asian | 1.6% | 2.8% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.8% | 0.4% |
| Two or More Races | 1.3% | 3.2% | 3.2% |
| Hispanic | 2.4% | 2.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Tower Lakes, IL | Lake Barrington, IL | United States |
| Married Population | 65.5% | 57.3% | 49.8% |
| Currently Married | 64.9% | 57.1% | 48.0% |
| Married but Separated | 0.6% | 0.2% | 1.8% |
| Single Population | 34.5% | 42.7% | 50.2% |
| Never Married | 26.1% | 18.7% | 33.8% |
| Divorced | 5.5% | 14.4% | 10.8% |
| Widowed | 2.9% | 9.5% | 5.6% |
| space5 | | | |
| Household Size | 2.93 | 2.25 | 2.60 |
| Households | 457 | 2,459 | 124,010,992 |
| Family Households | 402 | 1,507 | 80,755,759 |
| Married couple, w/children | 30.3% | 27.2% | 30.5% |
| Married couple, no children | 50.7% | 61.6% | 42.9% |
| Non Family Households | 55 | 952 | 43,255,233 |
| Single householder, w/children | 9.5% | 7.7% | 15.8% |
| Single householder, no children | 9.5% | 3.5% | 10.8% |