San Diego is located in Texas. San Diego, Texas has a population of 4,212. San Diego is more family-centric than the surrounding county with 27.68% of the households containing married families with children. The county average for households married with children is 26.07%.
The median household income in San Diego, Texas is $22,367. The median household income for the surrounding county is $35,443 compared to the national median of $57,652. The median age of people living in San Diego is 31.7 years.
The average high temperature in July is 97 degrees, with an average low temperature in January of 43.1 degrees. The average rainfall is approximately 26.5 inches per year, with 0.1 inches of snow per year.
