Dacono is a home rule municipality located in southwestern Weld County, Colorado, United States. The city population was 6,297 at the 2020 United States Census, an increase of +51.66% since the 2010 United States Census. Dacono is a part of the Greeley, CO Metropolitan Statistical Area and the Front Range Urban Corridor.

Weld County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 328,981. The county seat is Greeley.