San Marcos 78666 Real Estate
San Marcos is located in Texas. San Marcos, Texas 78666has a population of 57,775. San Marcos 78666 is less family-centric than the surrounding county with 19% of the households containing married families with children. The county average for households married with children is 31%.
The median household income in San Marcos, Texas 78666 is $45,590. The median household income for the surrounding county is $75,051 compared to the national median of $66,222. The median age of people living in San Marcos 78666 is 25.2 years.
San Marcos Weather
The average high temperature in July is 95.1 degrees, with an average low temperature in January of 38.6 degrees. The average rainfall is approximately 37.19 inches per year, with inches of snow per year.