Colorado Population 2018


Our 2018 estimate for Colorado's population is 5.68 million. This estimate is calculated from projecting the most recent Census estimates. The last official population count for Colorado was taken during the 2010 Census. At that time, it was found that the population was 5,029,196.

The 2010 Census numbers represented a rise of 16.9% from the 2000 census survey, when 4,301,262 residents were shown to be living in Colorado. Updated estimates arrive on a yearly basis, and in 2015, it was reported that the numbers in Colorado had increased to 5,456,574.

The 2015 estimate reflects an 8.5% increase since the last census. With a yearly growth rate of 1.85% in 2016, Colorado is second fastest-growing state in the US.

Colorado Population Density

With a large surface area of 104,094 square miles (269,837 square kilometers) Colorado is the eighth largest state in the USA, but it is relatively sparsely populated. Some of the terrain is harsh, and the vast Rocky Mountain range accounts for a significant proportion of the state’s land mass.

As a result, there are 52 people per square mile (19.9 per square kilometer) and that makes Colorado only the 37th biggest state in terms of population density.

Colorado Population History

Although part of Colorado was acquired as early as the Louisiana Purchase of 1803, it had no organized government until 1850, when parts of the present State were included in New Mexico and Utah Territories. Colorado was established as a territory in 1861 with its present boundaries, from parts of Kansas, Nebraska, New Mexico, and Utah Territories. The 1860 population is the total enumerated within the 1861 boundaries. Colorado was admitted as a State on August 1, 1876. Present-day Colorado had no census coverage in 1850, and none in 1860 for the portion taken from Utah Territory.

Colorado Population Chart

Colorado’s Population History

Historically, Colorado’s location in the middle of the USA made it a popular route for those traveling through the new world. Many liked the state so much that they chose to settle there, and the evidence of that is clear from the earliest censuses.

Back in 1860, the Colorado population was declared at 34,277 and ten years later, there had been just a modest rise of 16.3% to 39,864. However, by 1880 that figure had almost quadrupled and the census from that year reveals a total population of 194,327 -- an increase of 387.5% from the 1870 numbers.

Although that was by far the biggest increase in decade on decade terms, further significant rises followed, and by the beginning of the 20th century, Colorado’s numbers had grown to 539,700. In the latter half of the 1900s, increases in the region of 30% from census to census took the population of Colorado past the 5 million mark in 2012.

Colorado Population Projections

Many states in the US have shown growth at every census, but Colorado's population is actually growing faster now than it did during the 20s, 30s, and 40s. The current growth is already causing housing shortages and increased traffic as Denver and Colorado Springs try to address the increased immigration.

Like most states across the US, the population of Colorado is growing, but the growth has been significant in past years. Increases between censuses of 30% are not uncommon, and if that trend continues, the numbers could comfortably exceed 6 million at the next census in 2020. Some estimates have placed the 2040 population as high as 7.8 million.

Population Data via US Census

Colorado Growth Rate

Colorado Population Rank

Year Pop % Change

Colorado Facts

Colorado Population in 2018Source: Matt Wright

  • Colorado lies completely above 1,000 meters elevation. It is the only state that can make this claim.
  • Over one-third of the land in the state is owned by the US federal government.
  • Colorado has the largest city park system in the nation, boasting 205 parks within the city limits, and 20,000 acres of park space within the mountains.
  • The nation's highest suspension bridge is located near Canon City and is built over the Royal Gorge.
  • The view from Pikes Peak was the inspiration for the song, "America the Beautiful."
  • Colorado is the only place where four states -- Colorado, New Mexico, Utah and Arizona -- meet.
  • The first license plate was issued in Denver in 1908.
  • Leadville, Colorado, is the highest unincorporated town in the country at over 10,000 feet.
  • Lieutenant Zebulon Montgomery Pike explored the Louisiana Territory in 1806 and published a report that drew interest to the area.

Colorado Population Density by County

Denver County

  • Population694,777
  • Density4531.10 per sq km
  • Growth Since 201015.18%
  • State Rank1
  • % of State12.56%

Colorado Population Growth Rate by County

From the time of the 2010 Census until 2015 when the US Census Bureau took population estimates, several counties in the state posted significant growth rates. The counties with the highest growth are all neighboring, beginning with Larimer County and Weld County along the northern border, and ending with El Paso County. With a growth rate of 13.14%, Denver County had the highest recorded population growth during the 5-year period.

Just as some Colorado counties saw growth, others posted declining populations during the same time period. The southwestern county of Bent had the highest decline of 10.43%. while neighboring Las Animas County has the second largest decline of 8.68%. Other counties that saw decreases in population include Moffatt County, Hinsdale County, and Kit Carson County.

Colorado Population Pyramid 2018

0k10k20k30k40kColorado Male Population0k10k20k30k40kColorado Female Population80757065605550454035302520151050

To compare Colorado to other states, click here.

Population by Race

Race Population
Black or African American234,142
Some Other Race228,102
Two or More Races184,361
American Indian and Alaska Native54,743
Native Hawaiian and Other Pacific Islander8,325

Approximately 10% of the population of Colorado is made up of immigrants. These immigrants, according to data from 2011, make up over 11% of workers for the state of Colorado.

Estimates also show that 34.9% of the Latino population is under the age of 18, ountumbering African Americans (25%), Asian Americans (23%), and non-Hispanic Whites (19.3%) in the under-18 age bracket. There are higher proportions of Hispanics located in Colorado Springs, Metro Denver, Pueblo, and Greeley, with a large percentage of descendents of early Mexican settlers. The state has the fifth largest Mexican-American population in the nation, as well as the sixth highest percentage of Mexican-Americans.

Colorado also has large communities of African American residents located in Denverand Colorado Springs. Asian-Americans are also found throughout the state, particularly in the south and southeast areas of Denver. This includes Mongolians, Koreans, Filipinos, and Chinese residents. The Denver metropolitan area is considered to be one of the most racially diverse in the state.

Race Data via US Census (2016 ACS 1-Year Survey)

Languages Spoken in Colorado

Language Population Percentage
Kru, Ibo, Yoruba3,7150.08%

This chart shows the top 10 languages that are spoken at home in Colorado. The data comes from the most recent release of the American Community Survey (ACS).

Colorado Economy

High school graduate or higher 90.4%
Bachelor's degree or higher 37.5%
With a Disability 7.2%
Persons Without Health Insurance 11.6%
In Civilian Labor Force 67.9%
In Civilian Labor Force (Female) 62.9%
Food Services Sales $13,617,654
Health Care Revenue $29,488,161,000
Manufacturers Shipments $50,447,098,000
Merchant Wholesaler Sales $77,034,971,000
Total Retail Sales $67,815,200,000
Total Retail Sales per Capita $13,073
Mean Travel Time to Work 24.6 minutes
Median Household Income $59,448
Per Capita Income (past 12 months) $31,674
Persons in Poverty 12%

This chart shows the employment and labor force participation rates in Colorado for residents over 16 years of age. The 2015 unemployment rate is 4.7% and the labor force participation rate is 68.4%.

Colorado Business

Total Nonemployer Establishments 468,729
All firms 547,352
Men-owned Firms 284,554
Women-owned Firms 194,508
Minority-owned Firms 85,849
Nonminority-owned Firms 442,365
Veternan-owned Firms 51,722
Nonveteran-owned Firms 469,524

Colorado Housing

Housing Units 2,212,898
Owner Occupied Housing Rate 64.8%
Median Value Owner Occupied Housing Units $239,400
Median Monthly Owner Costs (w/Mortgage) $1,608
Median Monthly Owner Costs (no mortgage) $417
Median Gross Rent $969
Building Permits 31,871
Households 1,998,314
Persons per Household 2.54 persons
Living in Same House 1 Year Ago 80.6%
Language Other than English Spoken at Home 16.9%
Data Sources
  1. Colorado State Demography Office
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)