San Diego is a city in Duval and Jim Wells counties in the U.S. state of Texas. The population was 4,488 at the2010 census. It is located primarily in Duval County, of which it is the county seat.
Location in the state of Texas
|Coordinates: 27°45′45″N 98°14′20″W|
San Diego is located at (27.762559, -98.238771).
According to the United States Census Bureau, the city has a total area of 1.6 square miles (4.2 km2), all of it land.
The City of San Diego is served by the San Diego Independent School District and home to the San Diego High School Vaqueros.