Title: Resident Population in Colorado Series ID: COPOP Source: US. Bureau of the Census Release: Annual Estimates of the Population for the U.S. and States, and for Puerto Rico (Not a Press Release) Seasonal Adjustment: Not Seasonally Adjusted Frequency: Annual Units: Thousands of Persons Date Range: 1900-01-01 to 2015-01-01 Last Updated: 2015-12-23 12:36 PM CST Notes: Data for "Resident Population" from 1900 to present are estimates as of July 1 DATE VALUE 1900-01-01 543.000 1901-01-01 581.000 1902-01-01 621.000 1903-01-01 652.000 1904-01-01 659.000 1905-01-01 680.000 1906-01-01 707.000 1907-01-01 733.000 1908-01-01 757.000 1909-01-01 775.000 1910-01-01 804.000 1911-01-01 821.000 1912-01-01 832.000 1913-01-01 835.000 1914-01-01 846.000 1915-01-01 868.000 1916-01-01 892.000 1917-01-01 910.000 1918-01-01 906.000 1919-01-01 938.000 1920-01-01 937.000 1921-01-01 961.000 1922-01-01 965.000 1923-01-01 984.000 1924-01-01 1014.000 1925-01-01 1019.000 1926-01-01 1016.000 1927-01-01 1028.000 1928-01-01 1014.000 1929-01-01 1008.000 1930-01-01 1040.000 1931-01-01 1056.000 1932-01-01 1066.000 1933-01-01 1071.000 1934-01-01 1075.000 1935-01-01 1078.000 1936-01-01 1090.000 1937-01-01 1104.000 1938-01-01 1112.000 1939-01-01 1120.000 1940-01-01 1130.000 1941-01-01 1124.000 1942-01-01 1113.000 1943-01-01 1153.000 1944-01-01 1137.000 1945-01-01 1116.000 1946-01-01 1203.000 1947-01-01 1237.000 1948-01-01 1263.000 1949-01-01 1295.000 1950-01-01 1325.000 1951-01-01 1326.000 1952-01-01 1365.000 1953-01-01 1431.000 1954-01-01 1493.000 1955-01-01 1546.000 1956-01-01 1625.000 1957-01-01 1664.000 1958-01-01 1667.000 1959-01-01 1710.000 1960-01-01 1769.000 1961-01-01 1844.000 1962-01-01 1899.000 1963-01-01 1936.000 1964-01-01 1970.000 1965-01-01 1985.000 1966-01-01 2007.000 1967-01-01 2053.000 1968-01-01 2120.000 1969-01-01 2166.000 1970-01-01 2209.596 1971-01-01 2303.524 1972-01-01 2404.619 1973-01-01 2495.868 1974-01-01 2541.406 1975-01-01 2586.192 1976-01-01 2632.306 1977-01-01 2696.140 1978-01-01 2766.748 1979-01-01 2849.234 1980-01-01 2908.803 1981-01-01 2977.898 1982-01-01 3061.564 1983-01-01 3133.630 1984-01-01 3169.992 1985-01-01 3208.723 1986-01-01 3237.450 1987-01-01 3260.480 1988-01-01 3262.281 1989-01-01 3275.818 1990-01-01 3303.862 1991-01-01 3367.567 1992-01-01 3459.995 1993-01-01 3560.884 1994-01-01 3653.910 1995-01-01 3738.061 1996-01-01 3812.716 1997-01-01 3891.293 1998-01-01 3968.967 1999-01-01 4056.133 2000-01-01 4326.921 2001-01-01 4425.687 2002-01-01 4490.406 2003-01-01 4528.732 2004-01-01 4575.013 2005-01-01 4631.888 2006-01-01 4720.423 2007-01-01 4803.868 2008-01-01 4889.730 2009-01-01 4972.195 2010-01-01 5048.575 2011-01-01 5119.661 2012-01-01 5191.709 2013-01-01 5272.086 2014-01-01 5355.866 2015-01-01 5456.574