| | Clear Lake Shores, TX | Bayou Vista, TX | United States |
| Population | 1,156 | 1,884 | 329,725,481 |
| Female Population | 47.5% | 51.1% | 50.5% |
| Male Population | 52.5% | 48.9% | 49.5% |
| Median Age | 54.6 | 59 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,053 | 1,538 | 309,327,143 |
| Population - 2000 | 1,205 | 1,644 | 285,036,114 |
| Population - 1990 | 1,096 | 1,320 | 251,960,433 |
| Pop. 2000 to Now | 0.3% | -0.4% | 15.6% |
| Pop. 1990 to Now | 10.3% | 24.0% | 30.8% |
| space4 | | | |
| Population Density | 2,645.3 | 5,887.5 | 93.4 |
| Land Area | 0.4 | 0.3 | 3,531,905.4 |
| Water Area | 0.3 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Clear Lake Shores, TX | Bayou Vista, TX | United States |
| Age 0 to 4 | 2.9% | 1.9% | 5.9% |
| Age 5 to 9 | 2.3% | 1.5% | 6.1% |
| Age 10 to 14 | 6.0% | 1.8% | 6.6% |
| Age 15 to 17 | 4.3% | 0.9% | 3.9% |
| Age 18 to 20 | 2.0% | 1.0% | 4.0% |
| Age 21 to 24 | 2.2% | 4.3% | 5.2% |
| Age 25 to 34 | 4.2% | 6.3% | 13.8% |
| Age 35 to 44 | 6.7% | 5.2% | 12.9% |
| Age 45 to 54 | 20.2% | 18.4% | 12.6% |
| Age 55 to 59 | 10.0% | 10.5% | 6.7% |
| Age 60 to 64 | 12.6% | 17.8% | 6.3% |
| Age 65 to 74 | 16.0% | 22.3% | 9.6% |
| Age 75 to 84 | 8.1% | 5.6% | 4.5% |
| Age 85 and over | 2.4% | 2.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Clear Lake Shores, TX | Bayou Vista, TX | United States |
| White | 80.5% | 87.2% | 59.4% |
| Black | 1.2% | 1.3% | 12.2% |
| Asian | 0.3% | 1.5% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 4.0% | 1.9% | 3.2% |
| Hispanic | 13.8% | 8.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Clear Lake Shores, TX | Bayou Vista, TX | United States |
| Married Population | 55.6% | 67.1% | 49.8% |
| Currently Married | 53.8% | 65.0% | 48.0% |
| Married but Separated | 1.8% | 2.2% | 1.8% |
| Single Population | 44.4% | 32.9% | 50.2% |
| Never Married | 18.7% | 15.3% | 33.8% |
| Divorced | 17.6% | 13.3% | 10.8% |
| Widowed | 8.1% | 4.3% | 5.6% |
| space5 | | | |
| Household Size | 2.16 | 1.89 | 2.60 |
| Households | 535 | 995 | 124,010,992 |
| Family Households | 304 | 606 | 80,755,759 |
| Married couple, w/children | 21.7% | 17.8% | 30.5% |
| Married couple, no children | 65.5% | 75.7% | 42.9% |
| Non Family Households | 231 | 389 | 43,255,233 |
| Single householder, w/children | 9.5% | 2.6% | 15.8% |
| Single householder, no children | 3.3% | 3.8% | 10.8% |