Colorado: state flag, capital and facts

State flag of Colorado

Colorado is a US state in the West region. Its capital is Denver, and its postal abbreviation is CO. Known as the Centennial State, it joined the Union on August 1, 1876 as the 38th state. Denver is also its largest city.

The Colorado state flag shows blue, white and blue stripes with a red "C" wrapped around a gold disc.

Colorado at a glance

Capital
Denver
Largest city
Denver
Nickname
The Centennial State
Statehood
August 1, 1876 (38th state)
Region
West
Postal abbreviation
CO

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States bordering Colorado

More states in the West

Frequently asked questions

The capital of Colorado is Denver.

Colorado is in the West region of the United States.

The postal abbreviation for Colorado is CO.

Colorado is known as the Centennial State.

Colorado became the 38th state on August 1, 1876.

Colorado shares a land border with Kansas, Nebraska, New Mexico, Oklahoma, Utah and Wyoming.

The flag of Colorado shows blue, white and blue stripes with a red "C" wrapped around a gold disc.