- The official elevation of City and County of Denver is precisely one mile (5,280 feet = 1,609.344 m) above sea level. When the United States National Geodetic Survey determined that Denver was actually 36.10 inches (917 mm) higher than previously thought, the city merely lowered its elevation reference point on the west steps of the Colorado State Capitol by the difference to remain the Mile-High City. Most of Denver is actually more than one mile above sea level.
- The point where the Arikaree River flows out of the state at 3,317 feet (1,011 m) elevation is the lowest point in Colorado, and the highest low point of any U.S. state.
- The Town of Holly with a town center elevation of 3,392 feet (1,034 m) is the lowest municipality in Colorado.
- The City of Wray with a city center elevation of 3,566 feet (1,087 m) is the lowest incorporated city in Colorado.
- Denver is only the third highest U.S. state capital after Santa Fe, New Mexico, and Cheyenne, Wyoming.
- Denver is the highest U.S. city with a population of at least 600,000.
- Colorado Springs is the highest U.S. city with a population of at least 100,000.
- The mean elevation of Colorado is 6,800 feet (2,070 m), highest of all 50 U.S. states.
- The City of Leadville with a city center elevation of 10,152 feet (3,094 m) is the highest incorporated city in the United States.
- The Town of Alma with a town center elevation of 10,578 feet (3,224 m) is the highest incorporated town in the United States.