Population Growth In Iowa By alighzee Period: Sep 16, 1800 to Sep 16, 2014 History of Iowa Apr 30, 1803 Joins USA Lousiana purchase Jan 1, 1836 population:10,531 Jan 1, 1838 population: 22,859 Jul 4, 1838 Became a Territory Iowa becomes a Territory Jan 1, 1840 population: 43,112 Dec 28, 1846 Becomes a State Date of Statehood Jan 1, 1850 population: 192,214 Jan 1, 1856 First interstate railroad Railroad crosses the mississippi Jan 1, 1860 population: 674,913 Period: Apr 12, 1861 to May 9, 1865 Civil War Apr 9, 1865 Civil War Ends Civil War ends Jan 1, 1870 population:1,194,020 Jan 1, 1880 population:1,624,615 Jan 1, 1890 population:1,912,297 Jan 1, 1900 population: 2,231,853 Jan 1, 1900 population:2,231,853 Jan 1, 1910 population:2,224,771 Period: Apr 7, 1917 to Nov 11, 1918 World War I Nov 11, 1918 WWI ends world war 1 ends Jan 1, 1920 population: 2,404,021 Jan 1, 1930 population: 2,470,939 Jan 1, 1940 population: 2,538,268 Period: Dec 7, 1941 to Sep 2, 1945 World War II Sep 2, 1945 WWII ends WWII Ends Jan 1, 1950 population:2,621,073 Jan 1, 1960 population: 2,757,537 Jan 1, 1970 population: 2,824,376 Jan 1, 1980 population: 2,913,808 Period: Jan 1, 1980 to Jan 1, 1990 Farm Crisis and recession Jan 1, 1990 2,776,755 1990 population Jan 1, 2000 population :2,926,324 Jan 1, 2010 Population =3,046,857 Jan 1, 2013 population=3,090,416 Iowa population 2013
