Lathrop is a city located in San Joaquin County, California. At the 2010 census Lathrop’s population was 18,023, and has a projected “build out” population of 70,000. The city is located in Northern California at the intersection of I-5 and 120 freeways.
Lathrop is located at 37°49′1″N 121°17′19″W / 37.81694°N 121.28861°W / 37.81694; -121.28861 (37.816904, -121.288633). The San Joaquin River is on the east side of Lathrop and has elevation of 20 feet (7 m).
Neighboring towns include Manteca, Ripon and Tracy.