Somerton was established in 1898 and incorporated in 1918. Located in the fertile Yuma Valley in southwestern Yuma County, Somerton is about 12 miles south of Yuma and 180 miles east of San Diego, at an elevation of 103 feet. It is equidistant from the California and Mexican borders.
Somerton is the native region of the Cocopah Nation with seven different entertainment, lodging and cultural attractions. It is also, primarily a well-planned city of good neighborhoods with a great sense of community that has received both regional and national attention as a "Green City", introducing one of the region's first citywide recycling programs.
Additionally, the City of Somerton installed 606kW of solar power at 4 sites throughout the city. The solar installations include the Water, Wastewater, Public Safety, and Senior facilities.