Cocopah Indian Reservation

Cocopah Tribe of Arizona
Xawiłł Kwñchawaay (Cocopah)
Yuma County with Cocopah Reservation highlighted
Federally recognized1917
SeatSomerton, Arizona
Government
 • ChairwomanSherry Cordova
Area
 • Total
6,600 acres (2,700 ha)
DemonymCocopah
Time zoneUTC−07:00 (MST)
Area code(s)928
Websitecocopah.com

The Cocopah Tribe of Arizona is a federally recognized tribe of Cocopah people which governs the Cocopah Indian Reservation, a reservation in Arizona. Their autonym is Xawiłł Kwñchawaay, and they speak the Cocopah language, a Yuman–Cochimí language.

As of the 2000 census, 1,025 people lived on the 25.948 km2 (10.019 sq mi) Cocopah Indian Reservation, which is composed of three non-contiguous sections in Yuma County, Arizona, lying northwest, southwest and south of the city of Yuma, Arizona. The larger section, bordering the Colorado River, lies west of the Yuma suburb of Somerton, while the other section lies just east of Somerton.