Jefferson County, Colorado

county in Colorado, United States

Jefferson County (Jeffco) is a county in the state of Colorado in the United States. As of the 2020 census, 582,910 people lived there,[1] making it the fourth-most populous county in Colorado. The county seat is Golden, and the most populous city is Lakewood.

References change

  1. "QuickFacts: Jefferson County, Colorado". United States Census Bureau. Retrieved August 8, 2023.