Ucon is a city in Bonneville County, Idaho, United States. It is part of the Idaho Falls, Idaho Metropolitan Statistical Area. The population was 1,108 at the 2010 census. Ucon was first settled in 1883.
Ucon is located at 43°35′35″N 111°57′35″W (43.593175, -111.959594).
According to the United States Census Bureau, the city has a total area of 0.79 square miles (2.05 km2), all of it land.
Ucon is served by the Bonneville Joint School District#93, with Ucon Elementary School within city limits. Students are bussed to Rocky Mountain Middle School, and Bonneville High School.
As of the census of 2010, there were 1,108 people, 336 households, 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.