Delaware Population 1900-2021

Chart and table of population level and growth rate for the state of Delaware from 1900 to 2021.
  • The population of Delaware in 2021 was 1,003,384, a 1.16% increase from 2020.
  • The population of Delaware in 2020 was 991,886, a 1.56% increase from 2019.
  • The population of Delaware in 2019 was 976,668, a 1% increase from 2018.
  • The population of Delaware in 2018 was 966,985, a 0.94% increase from 2017.
Data Source: U.S. Census Bureau - Population Estimates

MLA Citation:
State Population Ranking
State Name Population
California 39,237,836
Texas 29,527,941
Florida 21,781,128
New York 19,835,913
Pennsylvania 12,964,056
Illinois 12,671,469
Ohio 11,780,017
Georgia 10,799,566
North Carolina 10,551,162
Michigan 10,050,811
New Jersey 9,267,130
Virginia 8,642,274
Washington 7,738,692
Arizona 7,276,316
Massachusetts 6,984,723
Tennessee 6,975,218
Indiana 6,805,985
Missouri 6,168,187
Maryland 6,165,129
Wisconsin 5,895,908
Colorado 5,812,069
Minnesota 5,707,390
South Carolina 5,190,705
Alabama 5,039,877
Louisiana 4,624,047
Kentucky 4,509,394
Oregon 4,246,155
Oklahoma 3,986,639
Connecticut 3,605,597
Utah 3,337,975
Iowa 3,193,079
Nevada 3,143,991
Arkansas 3,025,891
Mississippi 2,949,965
Kansas 2,934,582
New Mexico 2,115,877
Nebraska 1,963,692
Idaho 1,900,923
West Virginia 1,782,959
Hawaii 1,441,553
New Hampshire 1,388,992
Maine 1,372,247
Montana 1,104,271
Rhode Island 1,095,610
Delaware 1,003,384
North Dakota 774,948
Alaska 732,673
Wyoming 578,803
Delaware - Historical Population Data
Year Population Growth Rate
2021 1,003,384 1.16%
2020 991,886 1.56%
2019 976,668 1.00%
2018 966,985 0.94%
2017 957,942 0.84%
2016 949,989 0.84%
2015 942,065 0.96%
2014 933,131 0.98%
2013 924,062 0.93%
2012 915,518 0.87%
2011 907,590 0.88%
2010 899,647 0.89%
2009 891,730 0.89%
2008 883,874 1.39%
2007 871,749 1.45%
2006 859,268 1.67%
2005 845,150 1.73%
2004 830,803 1.56%
2003 818,003 1.47%
2002 806,169 1.32%
2001 795,699 1.19%
2000 786,373 4.36%
1999 753,538 1.27%
1998 744,066 1.23%
1997 735,024 1.09%
1996 727,090 1.23%
1995 718,265 1.39%
1994 708,416 1.28%
1993 699,475 1.35%
1992 690,158 1.42%
1991 680,495 1.71%
1990 669,063 1.64%
1989 658,273 1.64%
1988 647,622 1.68%
1987 636,947 1.50%
1986 627,559 1.50%
1985 618,280 1.10%
1984 611,565 1.01%
1983 605,458 1.05%
1982 599,148 0.53%
1981 595,975 0.18%
1980 594,919 -0.01%
1979 594,984 0.03%
1978 594,776 0.50%
1977 591,829 0.28%
1976 590,166 0.61%
1975 586,589 0.89%
1974 581,418 0.63%
1973 577,759 0.85%
1972 572,913 1.45%
1971 564,708 3.03%
1970 548,104 1.50%
1969 540,000 1.12%
1968 534,000 1.71%
1967 525,000 1.74%
1966 516,000 1.78%
1965 507,000 2.01%
1964 497,000 2.90%
1963 483,000 2.99%
1962 469,000 1.74%
1961 461,000 2.67%
1960 449,000 1.81%
1959 441,000 1.85%
1958 433,000 1.64%
1957 426,000 4.41%
1956 408,000 4.88%
1955 389,000 5.71%
1954 368,000 4.84%
1953 351,000 2.93%
1952 341,000 3.02%
1951 331,000 3.12%
1950 321,000 1.58%
1949 316,000 1.28%
1948 312,000 2.30%
1947 305,000 2.01%
1946 299,000 4.55%
1945 286,000 0.35%
1944 285,000 1.06%
1943 282,000 1.08%
1942 279,000 1.45%
1941 275,000 2.23%
1940 269,000 2.28%
1939 263,000 2.33%
1938 257,000 1.18%
1937 254,000 0.40%
1936 253,000 0.40%
1935 252,000 0.80%
1934 250,000 0.81%
1933 248,000 1.22%
1932 245,000 1.24%
1931 242,000 1.26%
1930 239,000 1.27%
1929 236,000 1.29%
1928 233,000 1.75%
1927 229,000 1.78%
1926 225,000 1.35%
1925 222,000 1.37%
1924 219,000 1.86%
1923 215,000 0.47%
1922 214,000 -0.93%
1921 216,000 -1.37%
1920 219,000 -0.90%
1919 221,000 0.45%
1918 220,000 -0.90%
1917 222,000 1.37%
1916 219,000 0.92%
1915 217,000 0.46%
1914 216,000 1.41%
1913 213,000 1.91%
1912 209,000 0.97%
1911 207,000 1.97%
1910 203,000 1.00%
1909 201,000 1.01%
1908 199,000 1.02%
1907 197,000 0.51%
1906 196,000 1.03%
1905 194,000 1.04%
1904 192,000 1.05%
1903 190,000 1.06%
1902 188,000 0.53%
1901 187,000 1.08%
1900 185,000 0.00%