| | Horseshoe Bay, TX | Kingsland, TX | United States |
| Population | 4,472 | 6,917 | 329,725,481 |
| Female Population | 51.6% | 54.3% | 50.5% |
| Male Population | 48.4% | 45.7% | 49.5% |
| Median Age | 65.6 | 53.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 3,513 | 5,521 | 309,327,143 |
| Population - 2000 | 3,337 | 4,584 | 285,036,114 |
| Population - 1990 | 1,546 | 2,725 | 251,960,433 |
| Pop. 2000 to Now | 24.5% | 62.7% | 15.6% |
| Pop. 1990 to Now | 168.8% | 173.6% | 30.8% |
| space4 | | | |
| Population Density | 314.9 | 764.9 | 93.4 |
| Land Area | 14.2 | 9.0 | 3,531,905.4 |
| Water Area | 2.3 | 0.8 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Horseshoe Bay, TX | Kingsland, TX | United States |
| Age 0 to 4 | 2.8% | 1.3% | 5.9% |
| Age 5 to 9 | 0.8% | 4.2% | 6.1% |
| Age 10 to 14 | 2.1% | 7.9% | 6.6% |
| Age 15 to 17 | 2.8% | 4.4% | 3.9% |
| Age 18 to 20 | 0.3% | 2.2% | 4.0% |
| Age 21 to 24 | 1.8% | 3.1% | 5.2% |
| Age 25 to 34 | 4.5% | 12.1% | 13.8% |
| Age 35 to 44 | 8.7% | 7.0% | 12.9% |
| Age 45 to 54 | 10.8% | 12.3% | 12.6% |
| Age 55 to 59 | 3.7% | 9.0% | 6.7% |
| Age 60 to 64 | 9.7% | 7.5% | 6.3% |
| Age 65 to 74 | 25.9% | 17.0% | 9.6% |
| Age 75 to 84 | 20.4% | 10.1% | 4.5% |
| Age 85 and over | 5.8% | 2.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Horseshoe Bay, TX | Kingsland, TX | United States |
| White | 77.8% | 80.4% | 59.4% |
| Black | 0.4% | 1.2% | 12.2% |
| Asian | 0.0% | 0.3% | 5.6% |
| Native American | 0.0% | 0.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 4.6% | 2.8% | 3.2% |
| Hispanic | 16.7% | 14.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Horseshoe Bay, TX | Kingsland, TX | United States |
| Married Population | 64.7% | 55.3% | 49.8% |
| Currently Married | 64.3% | 51.4% | 48.0% |
| Married but Separated | 0.5% | 4.0% | 1.8% |
| Single Population | 35.3% | 44.7% | 50.2% |
| Never Married | 10.9% | 18.2% | 33.8% |
| Divorced | 15.4% | 13.3% | 10.8% |
| Widowed | 9.1% | 13.2% | 5.6% |
| space5 | | | |
| Household Size | 1.95 | 2.42 | 2.60 |
| Households | 2,297 | 2,826 | 124,010,992 |
| Family Households | 1,426 | 1,802 | 80,755,759 |
| Married couple, w/children | 9.4% | 16.1% | 30.5% |
| Married couple, no children | 78.3% | 53.7% | 42.9% |
| Non Family Households | 871 | 1,024 | 43,255,233 |
| Single householder, w/children | 8.7% | 12.5% | 15.8% |
| Single householder, no children | 3.6% | 17.6% | 10.8% |