Ucon is a city in Bonneville County, Idaho, and is part of the Idaho Falls, Idaho Metropolitan Statistical Area, and as of the census of 2010, there were 1,108 people, 336 households, of which 50.3% had children under the age of 18 living with them, and 277 families residing in the city. The population density was 1,402.5 inhabitants per square mile (541.5/km2). There were 368 housing units at an average density of 465.8 per square mile (179.8/km2). The racial makeup of the city was 95.9% White, 0.1% Asian, 0.3% Pacific Islander, 2.3% from other races, and 1.4% from two or more races. Hispanic or Latino of any race were 6.0% of the population.