[2] Fort Lupton is a part of the Greeley, Colorado Metropolitan Statistical Area and the Front Range Urban Corridor.

The city was named for Lieutenant Lancaster Lupton, who built a trading post on Adobe Creek in 1838.

[3][4] The trading post, Fort Lupton, has been reconstructed near the site of the original fort using some of the original adobe bricks at the South Platte Valley Historical Park, which was established by the South Platte Valley Historical Society northwest of the city of Fort Lupton.

16.9% of all households were made up of individuals, and 6.4% had someone living alone who was 65 years of age or older.

[11] A controversy arose at the high school in September 2013 when a group of parents sought to remove the novel Looking for Alaska, the 2006 Michael L. Printz Award winner by John Green from the school's curriculum.