Illinois Population 1900-2023

Chart and table of population level and growth rate for the state of Illinois from 1900 to 2023.
  • The population of Illinois in 2023 was 12,549,689, a 0.26% decline from 2022.
  • The population of Illinois in 2022 was 12,582,515, a 0.85% decline from 2021.
  • The population of Illinois in 2021 was 12,690,341, a 0.78% decline from 2020.
  • The population of Illinois in 2020 was 12,790,357, a 0.97% increase from 2019.
Data Source: U.S. Census Bureau - Population Estimates

MLA Citation:
State Population Ranking
State Name Population
California 38,965,193
Texas 30,503,301
Florida 22,610,726
New York 19,571,216
Pennsylvania 12,961,683
Illinois 12,549,689
Ohio 11,785,935
Georgia 11,029,227
North Carolina 10,835,491
Michigan 10,037,261
New Jersey 9,290,841
Virginia 8,715,698
Washington 7,812,880
Arizona 7,431,344
Tennessee 7,126,489
Massachusetts 7,001,399
Indiana 6,862,199
Missouri 6,196,156
Maryland 6,180,253
Wisconsin 5,910,955
Colorado 5,877,610
Minnesota 5,737,915
South Carolina 5,373,555
Alabama 5,108,468
Louisiana 4,573,749
Kentucky 4,526,154
Oregon 4,233,358
Oklahoma 4,053,824
Connecticut 3,617,176
Utah 3,417,734
Iowa 3,207,004
Nevada 3,194,176
Arkansas 3,067,732
Kansas 2,940,546
Mississippi 2,939,690
New Mexico 2,114,371
Nebraska 1,978,379
Idaho 1,964,726
West Virginia 1,770,071
Hawaii 1,435,138
New Hampshire 1,402,054
Maine 1,395,722
Montana 1,132,812
Rhode Island 1,095,962
Delaware 1,031,890
North Dakota 783,926
Alaska 733,406
Wyoming 584,057
Illinois - Historical Population Data
Year Population Growth Rate
2023 12,549,689 -0.26%
2022 12,582,515 -0.85%
2021 12,690,341 -0.78%
2020 12,790,357 0.97%
2019 12,667,017 -0.45%
2018 12,724,685 -0.43%
2017 12,779,893 -0.33%
2016 12,821,709 -0.29%
2015 12,859,585 -0.20%
2014 12,885,092 -0.08%
2013 12,895,778 0.10%
2012 12,883,029 0.12%
2011 12,867,783 0.21%
2010 12,840,545 0.34%
2009 12,796,778 0.39%
2008 12,747,038 0.40%
2007 12,695,866 0.41%
2006 12,643,955 0.27%
2005 12,609,903 0.16%
2004 12,589,773 0.27%
2003 12,556,006 0.24%
2002 12,525,556 0.30%
2001 12,488,445 0.44%
2000 12,434,161 2.52%
1999 12,128,370 0.49%
1998 12,069,774 0.49%
1997 12,011,509 0.49%
1996 11,953,003 0.57%
1995 11,884,935 0.68%
1994 11,804,986 0.67%
1993 11,725,984 0.78%
1992 11,635,197 0.86%
1991 11,535,973 0.78%
1990 11,446,979 0.33%
1989 11,409,782 0.17%
1988 11,390,183 -0.01%
1987 11,391,178 0.03%
1986 11,387,257 -0.11%
1985 11,399,806 -0.11%
1984 11,412,132 0.03%
1983 11,408,818 -0.13%
1982 11,423,412 -0.18%
1981 11,443,458 0.08%
1980 11,434,702 0.33%
1979 11,396,837 -0.14%
1978 11,412,561 0.23%
1977 11,386,316 0.38%
1976 11,342,853 0.45%
1975 11,291,743 0.26%
1974 11,262,145 0.10%
1973 11,251,367 -0.01%
1972 11,251,948 0.44%
1971 11,202,397 0.83%
1970 11,110,285 0.65%
1969 11,039,000 0.40%
1968 10,995,000 0.44%
1967 10,947,000 1.02%
1966 10,836,000 1.34%
1965 10,693,000 1.07%
1964 10,580,000 1.71%
1963 10,402,000 1.19%
1962 10,280,000 1.48%
1961 10,130,000 0.44%
1960 10,086,000 1.00%
1959 9,986,000 1.01%
1958 9,886,000 2.25%
1957 9,668,000 1.45%
1956 9,530,000 1.01%
1955 9,435,000 1.98%
1954 9,252,000 2.06%
1953 9,065,000 1.22%
1952 8,956,000 1.89%
1951 8,790,000 0.60%
1950 8,738,000 0.78%
1949 8,670,000 1.38%
1948 8,552,000 2.53%
1947 8,341,000 2.28%
1946 8,155,000 7.29%
1945 7,601,000 -1.53%
1944 7,719,000 -0.54%
1943 7,761,000 -3.67%
1942 8,057,000 0.78%
1941 7,995,000 1.14%
1940 7,905,000 0.19%
1939 7,890,000 0.31%
1938 7,866,000 0.11%
1937 7,857,000 0.22%
1936 7,840,000 0.55%
1935 7,797,000 0.32%
1934 7,772,000 0.05%
1933 7,768,000 0.41%
1932 7,736,000 0.64%
1931 7,687,000 0.56%
1930 7,644,000 0.50%
1929 7,606,000 0.40%
1928 7,576,000 0.76%
1927 7,519,000 1.68%
1926 7,395,000 1.22%
1925 7,306,000 1.26%
1924 7,215,000 2.08%
1923 7,068,000 1.58%
1922 6,958,000 1.46%
1921 6,858,000 2.93%
1920 6,663,000 4.24%
1919 6,392,000 1.86%
1918 6,275,000 -0.60%
1917 6,313,000 0.62%
1916 6,274,000 1.29%
1915 6,194,000 1.39%
1914 6,109,000 2.48%
1913 5,961,000 2.28%
1912 5,828,000 1.23%
1911 5,757,000 1.57%
1910 5,668,000 1.81%
1909 5,567,000 1.70%
1908 5,474,000 1.67%
1907 5,384,000 1.41%
1906 5,309,000 1.30%
1905 5,241,000 1.55%
1904 5,161,000 1.77%
1903 5,071,000 1.58%
1902 4,992,000 1.59%
1901 4,914,000 1.78%
1900 4,828,000 0.00%