State Abbreviation CO
State Capital Denver
State Size Total (Land + Water): 104,094 sq miles; Land Only: 103,718 sq miles
Number of Counties 63
Time Zone Mountain Time Zone
Bordering States Arizona, Kansas, Nebraska, New Mexico, Oklahoma, Utah, Wyoming
Highest Point Mount Elber, 14,440 feet
National Parks Black Canyon of the Gunnison National Park
Great Sand Dunes National Park and Preserve
Mesa Verde National Park
Rocky Mountain National Park
State Population (2015) 5,456,574
State Population Density 52.6 people / square mile
Area Codes 303,719,720,970
Top 5 Cities (2010 population) Denver (600,158)
Colorado Springs (416,427)
Fort Collins (143,986)
State Amphibian Western tiger salamander
State Animal Rocky mountain bighorn sheep
State Bird Lark bunting
State Cactus Claret cup cactus
State Fish Greenback cutthroat trout
State Flower Rocky Mountain columbine
State Folk Dance Square dance
State Fossil Stegosaurus
State Gemstone Aquamarine
State Grass Blue grama grass
State Insect Colorado hairstreak butterfly
State Mineral Rhodochrosite
State Motto Nil sine numine (Nothing without the Deity)
State Nickname Centennial State
State Pet Dogs and cats that are adopted from Colorado animal shelters and rescues
State Reptile Western painted turtle
State Rock Yule marble
State Sport Pack burro racing
State Tree Colorado blue spruce
•The word 'Colorado' means 'colored' or 'colored red' in Spanish. The Colorado state was named after the Colorado River, which Spanish explorers named 'Río Colorado' (meaning 'colored river') for the red silt the river carried from the mountains.
•Colorado is one of the states that form the Four Corners, the only location in the United States where four states intersect at one point. The other three states are Arizona, New Mexico, and Utah.
•Colfax Avenue in Denver is the longest continuous street in America
•The world's first rodeo was held on July 4th, 1869 in Deer Trail.
•Colorado has the highest paved road in North America. The road to Mt. Evans climbs to 14,258 ft. above sea level.
•Denver is nicknamed "The Mile High City" because its official elevation is exactly one mile (5,280 feet) above sea level.
•The 13th step of the state capital building in Denver is exactly 1 mile high above sea level
•Dove Creek is the pinto bean capital of the world.
•The Pike's Peak Cog Railway in Manitou Springs is the highest railway in the United States, with a peak elevation of 14,111 feet above sea level.
•Colorado is the only state with an official State Cactus: Claret cup cactus.
•Royal Gorge Bridge in Caňon City, Colorado, is the highest bridge in the United States at 955 feet.
•In 2012, Colorado (along with Washington) became the first to legalize marijuana (weed) for recreational use.
•In Colorado, it is unlawful to mutilate a rock in a state park.
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