The population in Riverton was 38,753 in 2010, ranking it 18 among 326 places. This represents an increase of 13,742 from 25,011 in 2000. The largest minority group in 2010 in Riverton was Hispanic/Latino, which accounted for 5.7 percent of the total population. The fastest-growing minority group in Riverton was non-Hispanic Pacific Islander, with an increase of 335.6 percent from 2000 to 2010. Households with children under 18 made up 59 percent of all households in 2010, a decrease from 68.3 percent in 2000. Owner-occupied housing units accounted for 86.3 percent of all households in 2010, a decrease from 2000 when 94 percent of all housing units were owner-occupied.