The Town of Erie is a statutory town located in Weld and Boulder counties, Colorado, United States. The town population was 30,038 at the 2020 United States census, a +65.64% increase since the 2010 United States census. At the 2020 census, 17,387 (58%) Erie residents lived in Weld County and 12,651 (42%) lived in Boulder County. Erie is a part of the Denver-Aurora-Greeley, CO Combined Statistical Area and the Front Range Urban Corridor. Erie is the most populous statutory town in Colorado.

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