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Colorado

Colorado (/ˌkɒləˈræd, -ˈrɑːd/ KOL-ə-RAD-oh, -⁠RAH-doh,[8][9] other variants[10]) is a landlocked state in the Mountain West subregion of the Western United States. Colorado borders Wyoming to the north, Nebraska to the northeast, Kansas to the east, Oklahoma to the southeast, New Mexico to the south, Utah to the west, and meets Arizona to the southwest at the Four Corners. Colorado is noted for its landscape of mountains, forests, high plains, mesas, canyons, plateaus, rivers, and desert lands. Colorado is one of the Mountain States and is often considered to be part of the southwestern United States. The high plains of Colorado may be considered a part of the midwestern United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains. Colorado is the eighth most extensive and 21st most populous U.S. state. The United States Census Bureau estimated the population of Colorado at 5,877,610 as of July 1, 2023, a 1.80% increase since the 2020 United States census.[11]

For the river, see Colorado River. For the physiographic region, see Colorado Plateau. For other uses, see Colorado (disambiguation).

Colorado

August 1, 1876 (1876-08-01)[3] (38th)

104,094[4] sq mi (269,601 km2)

103,718 sq mi (268,875 km2)

376 sq mi (962 km2)  0.36%

8th

280 mi (451 km)

380 mi (612 km)

6,800 ft (2,070 m)

14,440 ft (4,401.2 m)

3,317 ft (1,011 m)

5,877,610

56.25/sq mi (21.72/km2)

9th

Coloradan

37°N to 41°N

102.0467°W to 109.0467°W

Western tiger salamander
Ambystoma mavortium

Lark bunting
Calamospiza melanocoryus

Claret cup cactus
Echinocereus triglochidiatus

Greenback cutthroat trout
Oncorhynchus clarki somias

Rocky Mountain columbine
Aquilegia coerulea

Blue grama grass
Bouteloua gracilis

Colorado Hairstreak
Hypaurotis crysalus

Colorado shelter pets
Canis lupus familiaris
and Felis catus

Western painted turtle
Chrysemys picta bellii

Colorado blue spruce
Picea pungens

Square dance
Chorea quadra

Stegosaurus
Stegosaurus armatus

The region has been inhabited by Native Americans and their ancestors for at least 13,500 years and possibly much longer. The eastern edge of the Rocky Mountains was a major migration route for early peoples who spread throughout the Americas. In 1848, much of the Nuevo México region was annexed to the United States with the Treaty of Guadalupe Hidalgo. The Pike's Peak Gold Rush of 1858–1862 created an influx of settlers. On February 28, 1861, U.S. President James Buchanan signed an act creating the Territory of Colorado,[2] and on August 1, 1876, President Ulysses S. Grant signed Proclamation 230 admitting Colorado to the Union as the 38th state.[3] The Spanish adjective "colorado" means "colored red" or "ruddy". Colorado is nicknamed the "Centennial State" because it became a state one century (and four weeks) after the signing of the United States Declaration of Independence.


Denver is the capital, the most populous city, and the center of the Front Range Urban Corridor. Colorado Springs is the second most populous city. Residents of the state are known as Coloradans, although the antiquated "Coloradoan" is occasionally used.[12][13] Major parts of the economy include government and defense, mining, agriculture, tourism, and increasingly other kinds of manufacturing. With increasing temperatures and decreasing water availability, Colorado's agriculture, forestry, and tourism economies are expected to be heavily affected by climate change.[14]

The (RTD), which affects the counties of Denver, Boulder, Jefferson, and portions of Adams, Arapahoe, Broomfield, and Douglas Counties

Regional Transportation District

The Football Stadium District (FD or FTBL), approved by the voters to pay for and help build the ' stadium Empower Field at Mile High.

Denver Broncos

Local Improvement Districts (LID) within designated areas of Jefferson and Broomfield counties.

The Metropolitan Major League Baseball Stadium District, approved by voters to pay for and help build the ' stadium Coors Field.

Colorado Rockies

Regional Transportation Authority (RTA) taxes at varying rates in Basalt, Carbondale, Glenwood Springs, and Gunnison County.

Since 2016, data for births of origin are not collected, but included in one Hispanic group; persons of Hispanic origin may be of any race.

White Hispanic

List of museums in Colorado

List of theaters in Colorado

Music of Colorado

Buckley Space Force Base

Air Reserve Personnel Center

Fort Carson

Piñon Canyon Maneuver Site

Peterson Space Force Base

Cheyenne Mountain Space Force Station

(U.S. Army 1942–)

Pueblo Chemical Depot

(1983–)

Schriever Space Force Base

(1954–)

United States Air Force Academy

The major military installations in Colorado include:


Former military posts in Colorado include:

John Hickenlooper (Democratic), since 2021

Class 2

Michael Bennet (Democratic), since 2009

Class 3

Bibliography of Colorado

Geography of Colorado

History of Colorado

Index of Colorado-related articles

List of Colorado-related lists

List of ships named the USS Colorado

Outline of Colorado

State of Colorado

Colorado Tourism Office