Colorado map and facts
Colorado, “the Centennial State”, is a West state in the Mountain division. Its capital is Denver.
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Colorado in context
With 5,773,714 people counted in the 2020 Census, Colorado holds about 1.7% of the US population. Its 104,094 square miles make it the 8th-largest state by area, and with 55.5 people per square mile it ranks 37th for population density.
Colorado shares borders with Kansas, Nebraska, New Mexico, Oklahoma, Utah, Wyoming. Want to see how it measures up? Compare Colorado with Kansas.
Colorado FAQ
What is the capital of Colorado?
The capital of Colorado is Denver. Denver is also the state's largest city.
What is the population of Colorado?
Colorado had 5,773,714 residents in the 2020 Census, ranking 21st of the 50 states.
How big is Colorado?
Colorado covers 104,094 square miles (269,602 km²) including water, making it the 8th-largest state.
When did Colorado become a state?
Colorado became the 38th state on August 1, 1876.
What time zone is Colorado in?
Colorado is in the Mountain time zone.
What states border Colorado?
Colorado borders 6 states: Kansas, Nebraska, New Mexico, Oklahoma, Utah, Wyoming.