Lago Vista is a city in Travis County, Texas, United States. Located About 20 miles from Austin and 45 minutes away, the population was 7,741 at the 2020 census. Lago Vista is located on the north shore of Lake Travis, 20 miles (32 km) northwest of Austin. According to the United States Census Bureau, the city has a total area of 15.2 square miles (39.4 km2), of which, 14.6 square miles (37.8 km2) of it is land and 0.6 square miles (1.6 km2) of it (3.95%) is water.
As of the census of 2000, there were 4,507 people, 1,944 households, and 1,364 families residing in the city. The population density was 517.3 people per square mile (199.8/km2). There were 2,155 housing units at an average density of 247.4/sq mi (95.5/km2). The racial makeup of the city was 94.01% White, 0.84% African American, 0.27% Native American, 0.67% Asian, 0.09% Pacific Islander, 2.44% from other races, and 1.69% from two or more races. Hispanic or Latino of any race were 7.88% of the population.
There were 1,944 households, out of which 25.5% had children under the age of 18 living with them, 61.6% were married couples living together, 5.9% had a female householder with no husband present, and 29.8% were non-families. 24.3% of all households were made up of individuals, and 12.5% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.73.
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