Idaho Population 1900-2018

Chart and table of population level and growth rate for the state of Idaho from 1900 to 2018.
  • The population of Idaho in 2018 was 1,754,208, a 2.05% increase from 2017.
  • The population of Idaho in 2017 was 1,718,904, a 2.14% increase from 2016.
  • The population of Idaho in 2016 was 1,682,930, a 1.9% increase from 2015.
  • The population of Idaho in 2015 was 1,651,523, a 1.23% increase from 2014.
Data Source: U.S. Census Bureau - Population Estimates

MLA Citation:
State Population Ranking
State Name Population
California 39,557,045
Texas 28,701,845
Florida 21,299,325
New York 19,542,209
Pennsylvania 12,807,060
Illinois 12,741,080
Ohio 11,689,442
Georgia 10,519,475
North Carolina 10,383,620
Michigan 9,995,915
New Jersey 8,908,520
Virginia 8,517,685
Washington 7,535,591
Arizona 7,171,646
Massachusetts 6,902,149
Tennessee 6,770,010
Indiana 6,691,878
Missouri 6,126,452
Maryland 6,042,718
Wisconsin 5,813,568
Colorado 5,695,564
Minnesota 5,611,179
South Carolina 5,084,127
Alabama 4,887,871
Louisiana 4,659,978
Kentucky 4,468,402
Oregon 4,190,712
Oklahoma 3,943,079
Connecticut 3,572,665
Utah 3,161,105
Iowa 3,156,145
Nevada 3,034,392
Arkansas 3,013,825
Mississippi 2,986,530
Kansas 2,911,505
New Mexico 2,095,428
Nebraska 1,929,268
West Virginia 1,805,832
Idaho 1,754,208
Hawaii 1,420,491
New Hampshire 1,356,458
Maine 1,338,404
Montana 1,062,305
Rhode Island 1,057,315
Delaware 967,171
North Dakota 760,077
Alaska 737,438
Wyoming 577,737
Idaho - Historical Population Data
Year Population Growth Rate
2018 1,754,208 2.05%
2017 1,718,904 2.14%
2016 1,682,930 1.90%
2015 1,651,523 1.23%
2014 1,631,479 1.24%
2013 1,611,530 1.01%
2012 1,595,441 0.73%
2011 1,583,828 0.83%
2010 1,570,773 1.05%
2009 1,554,439 1.31%
2008 1,534,320 1.94%
2007 1,505,105 2.48%
2006 1,468,669 2.83%
2005 1,428,241 2.62%
2004 1,391,802 2.08%
2003 1,363,380 1.72%
2002 1,340,372 1.55%
2001 1,319,962 1.58%
2000 1,299,430 3.81%
1999 1,251,700 1.69%
1998 1,230,923 1.68%
1997 1,210,638 1.93%
1996 1,187,706 1.95%
1995 1,165,000 2.60%
1994 1,135,459 3.11%
1993 1,101,204 3.25%
1992 1,066,490 2.65%
1991 1,038,915 2.67%
1990 1,011,882 1.76%
1989 994,416 0.89%
1988 985,664 0.07%
1987 984,997 -0.53%
1986 990,224 -0.38%
1985 994,051 0.32%
1984 990,839 0.91%
1983 981,869 0.84%
1982 973,721 1.20%
1981 962,204 1.50%
1980 947,983 1.65%
1979 932,627 2.41%
1978 910,690 3.08%
1977 883,469 3.09%
1976 856,983 3.00%
1975 831,982 2.97%
1974 807,990 3.31%
1973 782,074 2.47%
1972 763,237 3.31%
1971 738,753 3.61%
1970 713,015 0.85%
1969 707,000 1.73%
1968 695,000 1.02%
1967 688,000 -0.15%
1966 689,000 0.44%
1965 686,000 0.88%
1964 680,000 -0.44%
1963 683,000 -1.30%
1962 692,000 1.17%
1961 684,000 1.94%
1960 671,000 2.13%
1959 657,000 1.70%
1958 646,000 0.62%
1957 642,000 2.23%
1956 628,000 1.62%
1955 618,000 3.00%
1954 600,000 0.67%
1953 596,000 1.53%
1952 587,000 -0.34%
1951 589,000 -0.17%
1950 590,000 3.51%
1949 570,000 3.45%
1948 551,000 5.56%
1947 522,000 2.55%
1946 509,000 0.39%
1945 507,000 -4.16%
1944 529,000 5.80%
1943 500,000 4.60%
1942 478,000 -4.59%
1941 501,000 -4.02%
1940 522,000 0.19%
1939 521,000 1.56%
1938 513,000 1.18%
1937 507,000 2.42%
1936 495,000 2.91%
1935 481,000 1.69%
1934 473,000 1.94%
1933 464,000 1.09%
1932 459,000 1.10%
1931 454,000 1.57%
1930 447,000 0.00%
1929 447,000 -0.45%
1928 449,000 0.45%
1927 447,000 1.36%
1926 441,000 1.15%
1925 436,000 0.46%
1924 434,000 -0.46%
1923 436,000 0.00%
1922 436,000 0.23%
1921 435,000 0.46%
1920 433,000 2.12%
1919 424,000 4.69%
1918 405,000 -1.94%
1917 413,000 1.98%
1916 405,000 2.79%
1915 394,000 2.60%
1914 384,000 3.50%
1913 371,000 3.34%
1912 359,000 4.66%
1911 343,000 4.26%
1910 329,000 5.79%
1909 311,000 6.87%
1908 291,000 5.05%
1907 277,000 5.73%
1906 262,000 6.50%
1905 246,000 7.42%
1904 229,000 6.02%
1903 216,000 8.54%
1902 199,000 13.07%
1901 176,000 7.98%
1900 163,000 0.00%