Greeley is the home rule municipality that is the county seat and the most populous municipality of Weld County, Colorado, United States. Greeley is in northern Colorado and is situated 49 miles (79 km) north-northeast of the Colorado State Capitol in Denver. According to a July 2019 estimate by the U.S. Census Bureau, the population of the city is 108,649, and a 2019 population estimate made Greeley the 12th-most-populous city in Colorado. Greeley is a major city of the Front Range Urban Corridor.
The town was named after Horace Greeley, a politician and editor of the New-York Tribune, who came to Colorado in the 1859 Pike's Peak Gold Rush. It was founded as the Union Colony in 1869, an experimental utopian society, but the name was later changed in honor of Greeley. Governor Benjamin Harrison Eaton declared Greeley an official city on April 6, 1886.
Greeley was built on farming and agriculture, but kept up with most modern technologies as they grew. Telephones were in town by 1883 with electric lights downtown by 1886. Automobiles were on the roads alongside horse drawn buggies by 1910. KFKA became one of the first radio stations to broadcast in the US in 1922 and the Greeley Municipal Airport was built in 1928.