Capital city Denver Population 5.773.714 (2020) Surface 269.837 kmĀ² Governor Jared Polis (D) Member of the US since 1876 Colorado is one of the fifty states of the United States. The state is located in the center of the country. Colorado’s abbreviation is CO. Its nickname is ‘The Centennial State’. With 5,116,796 inhabitants, Colorado is…