About Lathrop

The City of Lathrop is located in the Northern San Joaquin Valley, east and west of the San Joaquin River. Interstate 5, Interstate 205 and State Route 120 intersect within the City. Lathrop was incorporated in 1989, with its first General Plan adopted in 1991.

Lathrop is centrally located within a 30-minute commute of Tracy, Manteca, Stockton, Lodi, Modesto, Livermore and Pleasanton.  

FOR IMMEDIATE RELEASE - Lathrop, CA, May 6, 2026. The City of Lathrop ranked among California’s fastest-growing cities in new state population report. New California Department of Finance data shows Lathrop grew by 5.5% and now has more than 40,000 residents. 

The City of Lathrop has continued to make headlines in 2020, 2021, 2022, 2023, 2024, and 2025  as one of Northern California’s fastest growing communities, due to the change in growth. See additional stories here.