Yuma is a city in and the county seat of Yuma County, Arizona, United States. The city's population was 93,064 at the 2010 census, up from the 2000 census population of 77,515.
Yuma is the principal city of the Yuma, Arizona, Metropolitan Statistical Area, which consists of Yuma County. According to the United States Census Bureau, the 2020 estimated population of the Yuma MSA is 203,247. More than 85,000 retirees make Yuma their winter residence.
Yuma is in the state's southwest corner, in the Sonoran Desert, Yuma Desert sub-region.