In-N-Out Burger Locations in California: 334 as of 2023

As of January 2023, In-N-Out Burger operates 334 locations in California, its home state and largest market. The chain's total U.S. footprint is 388 restaurants, with the remainder in Arizona, Nevada, Utah, Texas, Oregon, and Colorado.

California locations are concentrated in Southern California (Los Angeles, San Diego, Inland Empire) and the Bay Area, with steady expansion northward and into the Central Valley.