History of Aurora, Colorado
City of Aurora is the Colorado municipalities by population and is the third most populous city in the State of Colorado and the list of United States cities by population and is the 60th most populous city in the United States. The municipality is split between Arapahoe County and Adams County, with a small portion lying in Douglas County. The city and its western neighbor are the principal cities of the Denver-Aurora Metropolitan Area. The United States Census Bureau estimates the population of the city was 297,235 in 2005, a 7.54% increase since 2000. In 2005, the estimated population of the Denver-Aurora Metropolitan Statistical Area was 2,359,994 (United States metropolitan area|22nd most populous MSA), the estimated population of the Denver-Aurora-Boulder Combined Statistical Area was 2,869,377 (Combined Statistical Area|15th most populous CSA) and the estimated population of the Front Range Urban Corridor was 4,013,055.
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