Idaho - Population
| Date | Density | Population |
|---|---|---|
| 2022 | 9 | 1,939,030 |
| 2021 | 9 | 1,904,310 |
| 2020 | 9 | 1,849,200 |
| 2019 | 8 | 1,808,040 |
| 2018 | 8 | 1,768,640 |
| 2017 | 8 | 1,734,030 |
| 2016 | 8 | 1,696,090 |
| 2015 | 8 | 1,662,420 |
| 2014 | 8 | 1,640,180 |
| 2013 | 7 | 1,618,040 |
| 2012 | 7 | 1,600,010 |
| 2011 | 7 | 1,586,530 |
| 2010 | 7 | 1,571,270 |
| 2009 | 7 | 1,554,440 |
| 2008 | 7 | 1,534,320 |
| 2007 | 7 | 1,505,110 |
| 2006 | 7 | 1,468,670 |
| 2005 | 7 | 1,428,240 |
| 2004 | 6 | 1,391,800 |
| 2003 | 6 | 1,363,380 |
| 2002 | 6 | 1,340,370 |
| 2001 | 6 | 1,319,960 |
| 2000 | 6 | 1,299,430 |
| 1999 | 6 | 1,275,670 |
| 1998 | 6 | 1,252,330 |
| 1997 | 6 | 1,228,520 |
| 1996 | 6 | 1,203,080 |
| 1995 | 5 | 1,177,320 |
| 1994 | 5 | 1,145,140 |
| 1993 | 5 | 1,108,770 |
| 1992 | 5 | 1,071,690 |
| 1991 | 5 | 1,041,320 |
| 1990 | 5 | 1,012,380 |
| 1989 | 5 | 994,422 |
| 1988 | 5 | 985,661 |
| 1987 | 5 | 984,997 |
| 1986 | 5 | 990,222 |
| 1985 | 5 | 994,052 |
| 1984 | 5 | 990,841 |
| 1983 | 5 | 981,866 |
| 1982 | 4 | 973,719 |
| 1981 | 4 | 962,204 |
| 1980 | 4 | 947,983 |
| 1979 | 4 | 932,636 |
| 1978 | 4 | 910,962 |
| 1977 | 4 | 883,446 |
| 1976 | 4 | 856,979 |
| 1975 | 4 | 831,981 |
| 1974 | 4 | 807,973 |
| 1973 | 4 | 782,061 |
| 1972 | 4 | 763,229 |
| 1971 | 3 | 738,749 |
| 1970 | 3 | 717,255 |
| 1969 | 3 | 707,000 |
| 1968 | 3 | 695,000 |
| 1967 | 3 | 688,000 |
| 1966 | 3 | 689,000 |
| 1965 | 3 | 686,000 |
| 1964 | 3 | 680,000 |
| 1963 | 3 | 683,000 |
| 1962 | 3 | 692,000 |
| 1961 | 3 | 684,000 |
| 1960 | 3 | 671,000 |
| 1959 | 3 | 657,000 |
| 1958 | 3 | 646,000 |
| 1957 | 3 | 642,000 |
| 1956 | 3 | 628,000 |
| 1955 | 3 | 618,000 |
| 1954 | 3 | 600,000 |
| 1953 | 3 | 596,000 |
| 1952 | 3 | 587,000 |
| 1951 | 3 | 589,000 |
| 1950 | 3 | 590,000 |
| 1949 | 3 | 570,000 |
| 1948 | 3 | 551,000 |
| 1947 | 2 | 522,000 |
| 1946 | 2 | 509,000 |
| 1945 | 2 | 490,000 |
| 1944 | 2 | 514,000 |
| 1943 | 2 | 499,000 |
| 1942 | 2 | 481,000 |
| 1941 | 2 | 502,000 |
| 1940 | 2 | 522,000 |
| 1939 | 2 | 521,000 |
| 1938 | 2 | 513,000 |
| 1937 | 2 | 507,000 |
| 1936 | 2 | 495,000 |
| 1935 | 2 | 481,000 |
| 1934 | 2 | 473,000 |
| 1933 | 2 | 464,000 |
| 1932 | 2 | 459,000 |
| 1931 | 2 | 454,000 |
| 1930 | 2 | 447,000 |
| 1929 | 2 | 447,000 |