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is a Statutory Town in Boulder and Weld counties in the U.S. state of Colorado. The population was 6,291 at the 2000 census.
Erie is located west of I-25 35 minutes from Denver International Airport, 25 minutes north of Denver and 15 minutes from Boulder.
According to the United States Census Bureau, the town has a total area of 9.5 square miles (24.7 km²), of which, 9.5 square miles (24.5 km²) of it is land and 0.1 square miles (0.2 km²) of it (0.84%) is water.