SLRC is the northeastern-most city in the state of Sonora, Mexico and approximately 45 miles east of Mexicali.  The current population is 178,000; nearly double that of Yuma, Arizona. 

SLRC is a hub for Mexican Medical Tourism in the region, and also the main Port of Entry from travelers from Puerto Penasco and other communities to the south. 

The percentage of Yuma retail sales attributable to Mexico would be much higher, were it not for the estimated 85,000 American retirees (Snow Birds) who annually make the Yuma area home for the winter.