The Chicago-Colorado Colony (1871–73) established the city of Longmont near the confluence of St. Vrain and Left Hand Creeks in 1871. Financed by wealthy Chicagoans and consisting mostly of immigrants from the Midwest, the colony was an agricultural…

The East and West Side Historic Districts in Longmont are located east and west of Main Street and south of Longs Peak Avenue. They contain many of the city’s earliest homes. The East Side Historic District includes 67 historic houses and was added to…