San Martin is located in California. San Martin, California has a population of 7,190. San Martin is less family-centric than the surrounding county with 27% households with children. The county percentage for households with children is 32%.
The median household income in San Martin, California is $114,128. The median household income for the surrounding county is $131,545 compared to the national median of $66,222. The median age of people living in San Martin is 40.6 years.
The average high temperature in July is 88.3 degrees, with an average low temperature in January of 39.4 degrees. The annual precipitation is 20.6.