Colorado Population 1900-2020

Chart and table of population level and growth rate for the state of Colorado from 1900 to 2020.
  • The population of Colorado in 2020 was 5,807,719, a 0.85% increase from 2019.
  • The population of Colorado in 2019 was 5,758,486, a 1.08% increase from 2018.
  • The population of Colorado in 2018 was 5,697,155, a 1.42% increase from 2017.
  • The population of Colorado in 2017 was 5,617,421, a 1.33% increase from 2016.
Data Source: U.S. Census Bureau - Population Estimates

MLA Citation:
State Population Ranking
State Name Population
California 39,368,078
Texas 29,360,759
Florida 21,733,312
New York 19,336,776
Pennsylvania 12,783,254
Illinois 12,587,530
Ohio 11,693,217
Georgia 10,710,017
North Carolina 10,600,823
Michigan 9,966,555
New Jersey 8,882,371
Virginia 8,590,563
Washington 7,693,612
Arizona 7,421,401
Massachusetts 6,893,574
Tennessee 6,886,834
Indiana 6,754,953
Missouri 6,151,548
Maryland 6,055,802
Wisconsin 5,832,655
Colorado 5,807,719
Minnesota 5,657,342
South Carolina 5,218,040
Alabama 4,921,532
Louisiana 4,645,318
Kentucky 4,477,251
Oregon 4,241,507
Oklahoma 3,980,783
Connecticut 3,557,006
Utah 3,249,879
Iowa 3,163,561
Nevada 3,138,259
Arkansas 3,030,522
Mississippi 2,966,786
Kansas 2,913,805
New Mexico 2,106,319
Nebraska 1,937,552
Idaho 1,826,913
West Virginia 1,784,787
Hawaii 1,407,006
New Hampshire 1,366,275
Maine 1,350,141
Montana 1,080,577
Rhode Island 1,057,125
Delaware 986,809
North Dakota 765,309
Alaska 731,158
Wyoming 582,328
Colorado - Historical Population Data
Year Population Growth Rate
2020 5,807,719 0.85%
2019 5,758,486 1.08%
2018 5,697,155 1.42%
2017 5,617,421 1.33%
2016 5,543,844 1.64%
2015 5,454,328 1.90%
2014 5,352,637 1.55%
2013 5,270,774 1.48%
2012 5,193,660 1.40%
2011 5,121,900 1.47%
2010 5,047,539 1.52%
2009 4,972,195 1.69%
2008 4,889,730 1.79%
2007 4,803,868 1.77%
2006 4,720,423 1.91%
2005 4,631,888 1.24%
2004 4,575,013 1.02%
2003 4,528,732 0.85%
2002 4,490,406 1.46%
2001 4,425,687 2.28%
2000 4,326,921 6.68%
1999 4,056,133 2.20%
1998 3,968,967 2.00%
1997 3,891,293 2.06%
1996 3,812,716 2.00%
1995 3,738,061 2.30%
1994 3,653,910 2.61%
1993 3,560,884 2.92%
1992 3,459,995 2.74%
1991 3,367,567 1.93%
1990 3,303,862 0.86%
1989 3,275,818 0.41%
1988 3,262,281 0.06%
1987 3,260,480 0.71%
1986 3,237,450 0.90%
1985 3,208,723 1.22%
1984 3,169,992 1.16%
1983 3,133,630 2.35%
1982 3,061,564 2.81%
1981 2,977,898 2.38%
1980 2,908,803 2.09%
1979 2,849,234 2.98%
1978 2,766,748 2.62%
1977 2,696,140 2.43%
1976 2,632,306 1.78%
1975 2,586,192 1.76%
1974 2,541,406 1.82%
1973 2,495,868 3.79%
1972 2,404,619 4.39%
1971 2,303,524 4.25%
1970 2,209,596 2.01%
1969 2,166,000 2.17%
1968 2,120,000 3.26%
1967 2,053,000 2.29%
1966 2,007,000 1.11%
1965 1,985,000 0.76%
1964 1,970,000 1.76%
1963 1,936,000 1.95%
1962 1,899,000 2.98%
1961 1,844,000 4.24%
1960 1,769,000 3.45%
1959 1,710,000 2.58%
1958 1,667,000 0.18%
1957 1,664,000 2.40%
1956 1,625,000 5.11%
1955 1,546,000 3.55%
1954 1,493,000 4.33%
1953 1,431,000 4.84%
1952 1,365,000 2.94%
1951 1,326,000 0.08%
1950 1,325,000 2.32%
1949 1,295,000 2.53%
1948 1,263,000 2.10%
1947 1,237,000 2.83%
1946 1,203,000 7.80%
1945 1,116,000 -1.85%
1944 1,137,000 -1.39%
1943 1,153,000 3.59%
1942 1,113,000 -0.98%
1941 1,124,000 -0.53%
1940 1,130,000 0.89%
1939 1,120,000 0.72%
1938 1,112,000 0.72%
1937 1,104,000 1.28%
1936 1,090,000 1.11%
1935 1,078,000 0.28%
1934 1,075,000 0.37%
1933 1,071,000 0.47%
1932 1,066,000 0.95%
1931 1,056,000 1.54%
1930 1,040,000 3.17%
1929 1,008,000 -0.59%
1928 1,014,000 -1.36%
1927 1,028,000 1.18%
1926 1,016,000 -0.29%
1925 1,019,000 0.49%
1924 1,014,000 3.05%
1923 984,000 1.97%
1922 965,000 0.42%
1921 961,000 2.56%
1920 937,000 -0.11%
1919 938,000 3.53%
1918 906,000 -0.44%
1917 910,000 2.02%
1916 892,000 2.76%
1915 868,000 2.60%
1914 846,000 1.32%
1913 835,000 0.36%
1912 832,000 1.34%
1911 821,000 2.11%
1910 804,000 3.74%
1909 775,000 2.38%
1908 757,000 3.27%
1907 733,000 3.68%
1906 707,000 3.97%
1905 680,000 3.19%
1904 659,000 1.07%
1903 652,000 4.99%
1902 621,000 6.88%
1901 581,000 7.00%
1900 543,000 0.00%