We have reviews of the best places to see in Yuma. Cultural facilities, community events and outdoor activities, extensive retail and hospitality venues, all combine to make Yuma a popular spot. The population of Yuma doubles in the winter because of the snowbirds who flock here - some 90,000 of them and many from Ontario! Select City of Yuma, AZ Demographics, 2020 Population in Years % Ethnicity % Ed. Full demographic report of Yuma, AZ population including education levels, household income, job market, ethnic makeup, and languages. The Yuma valley has some of the most fertile soils in the world, having received silt and mineral deposits from the Colorado and Gila River floods until the rivers were tamed by an intricate series of dams and canals. Yuma is the principal city of the Yuma, AZ Metropolitan Statistical Area, which consists of Yuma County. There are numerous RV parks as well as hundreds of acres of BLM LTVAs (Long Term Visitor It is located in the southwestern corner of the state, and the population of the city was 93,064 at the 2010 census, up from the 2000 census population of 77,515. Snowbirds are flocking to Yuma! Population in households in Yuma Total Population: 87,936 Male Population: 42,766 Under 5 years: 3,786 5 to 9 years: 3,567 10 to 14 years: 3,688 15 to 17 years: 2,311 18 and 19 years: 1,348 20 years: 694 21 years: 650 22 to 24 Supplemental health insurance was recently provided for Canadian's worried about catching the virus in the United States. Attainment % 9 years or less 13.1 Hispanic 56.9