Colorado (CO)

Colorado sign

Quick Facts

Capital City: Denver

Abbreviation: CO

Population (2019): 5,268,367; Rank: 22 of 50 | Population Quick Facts

Region:  West 

Admission to Statehood: August 1, 1876 (38th State)

State Motto: Nil sine Numine

State Nickname: Centennial State

Origin of State Name: Taken from the Spanish for the color red, referring to the banks of the Colorado river.

Area Codes: 303, 719, 720, 970

Zip Codes: Colorado Zip Codes


State Symbols

Bird: Lark Bunting

Flag: The Colorado flag consists of three alternate stripes of equal width and at right angles to the staff, the two outer stripes to be blue of the same color as in the blue field of the national flag and the middle stripe to be white, the proportion of the flag being a width of two-thirds of its length. At a distance from the staff end of the flag of one fifth of the total length of the flag there is a circular red C, of the same color as the red in the national flag of the United States. The diameter of the letter is two-thirds of the width of the flag. The inner line of the opening of the letter C is three-fourths of the width of its body or bar, and the outer line of the opening is double the length of the inner line thereof. Completely filling the open space inside the letter C is a golden disk, attached to the flag is a cord of gold and silver, intertwined, with tassels, one of gold and one of silver. Flag adopted 1911.

Flower: Rocky Mountain Columbine (Aquilegia caerules ‘Glauca’)

Soil: Seitz

Song: “Where the Columbines Grow” | Words by: A.J. Flynn | Music by: A.J. Flynn

Tree: Colorado Blue Spruce (Picea pugens)

Quarter: Reverse features the Rocky Mountains — which cross through Colorado — and a “Colorful Colorado” banner. Obverse features the image of George Washington.



Colorado on a US map


Area: 104,100 sq.mi (269,618, 8th
Land: 103,730 sq.mi. (268,660, 8th
Water: 371 sq.mi. (961, 46th


Largest Cities: Denver | Colorado Springs | Aurora | Fort Collins | Lakewood | Pueblo | Arvada | Westminster | Centennial

Border States: Arizona | Kansas | Nebraska | New Mexico | Oklahoma | Utah | Wyoming

Highest Point: Mt. Elbert ; 14,433 feet, (4,399 m), 3rd tallest

Lowest Point: Colorado; 3317 feet, 50th lowest where the Arikaree River flows out of the state.

Geographic Center: Park, 30 miles northwest of Pike’s Peak

National Parks: Rocky Mountain, Mesa Verde, Great Sand Dunes and Black Canyon of the Gunnison


Location: Absolute Center: 38°59.9’N / 105°38.5’W
Relative Center: Park, 30 miles northwest of Pikes Peak


State Government

Governor: Jared Polis (D) since 2019

Senators: Michael Bennet (D) 2019, John Hickenlooper (D) 2021

Colorado House: Members
Colorado Senate: Members

Constitution: Colorado’s Constitution , 38th State

Electoral College Votes: 9 Votes



Agriculture: Cattle, wheat, dairy products, corn, hay.

Industry: Scientific instruments, food processing, transportation equipment, machinery, chemical products, gold and other mining, tourism.


Community and Technical Colleges:

Nursing Schools:

School Directory: