Aurora is Colorado's third largest city with a diverse population of more than 398,000. The "Gateway to the Rockies" is a bioscience, transportation and aerospace hub with award-winning parks, open space and cultural amenities.

Aurora is the third-most-populous city in the State of Colorado and the 52nd-most-populous city in the United States. Aurora is a principal city of the Denver–Aurora–Lakewood Metropolitan Statistical Area (MSA) and a major city of the Front Range Urban Corridor.

Once a budding frontier town of farmers and ranchers just east of the state's capital, Aurora is Colorado's third largest city with a diverse population of more than 404,000. From agricultural outpost to military bastion, Aurora established its foundation as a driving force in the west.

Come explore things to do in Aurora: shopping, events, landmarks, and the premier locations for meetings & conventions. Learn from Visit Aurora today!

Aurora is filled with unique attractions, activities, and must-sees. Explore the beauty of Colorado’s outdoors at one of the parks, trails, golf courses, or gorgeous reservoirs—not to mention the thousands of acres of open space.

Jan 8, 2025 · Aurora, city, Adams, Arapahoe, and Douglas counties, north-central Colorado, U.S. An eastern suburb of Denver, Aurora was the third most populous city in Colorado at the start of the 21st century. It was founded during the silver boom of 1891 and named Fletcher after its Canadian-born founder,

More than 386,000 residents choose to live in Aurora, making it the third largest city in Colorado and the 54th largest in the United States. The city covers nearly 160 square miles, and is located within three counties, Arapahoe, Adams, and Douglas.