The estimated population of Colorado by the year 2018 is 5, 684, 203. This estimation is calculated from the most recent Census of Colorado, there is an increase of 16.9% from the last official population count for Colorado. Thus, the yearly growth rate of Colorado is 1.85%, making it the second fast-growing state in the United States.

The State of Colorado has no secondary civil subdivisions, thus it is divided into 64 counties. Nonetheless, Colorado is the eighth state that has a large surface area, which allows its population to be scattered sparsely throughout the state. It has a surface area of 104, 094 square miles or 269, 837 square kilometers, which tells us that there are approximately 52 people in every square mile. This makes Colorado the 37th state that has the largest population density.

Up to 10% of the population of Colorado are immigrants, Colorado has the 5th largest population of the Mexican-American population. In the state, Denver Metropolitan is the most racially diverse.

Colorado has a progressive economy, the participation rate of the labor force is around 70%, with an unemployment rate of only 4.7%. It is a federal government, that has a state constitution that is provided by the legislative, executive, and judicial branches of the government.

English is the primary language of Colorado, and the second-most spoken word in Colorado is Spanish. The State housed national parks, national museums, national historic sites, national historic trails, national conservation areas, and other recreational, historic, and scenic locations.

NOTE: The index can approximately determine the demographic information by geographic level. There may be some inconsistency with the estimation being claimed each year, due to the possibility that there may be some issues before the estimates have been updated. Some of the estimates may provide differences between geographies.