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% households with children.
The county percentage for households 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 annual precipitation is
37.19.