Historical Population Change Data (1910-2020)

Historical Population Change Data (1910-2020)

Population change is the rate of change in population between decennial census years. While every census region grew considerably during the twentieth century, the South and West experienced the largest increases in population.

Change in Resident Population of the 50 States, the District of Columbia, and Puerto Rico: 1910 to 2020
State or Region 2020
Census
2010
Census
2000
Census
1990
Census
1980
Census
1970
Census
1960
Census
1950
Census
1940
Census
1930
Census
1920
Census
1910
Census
United States
Resident Population 331,449,281 308,745,538 281,421,906 248,709,873 226,545,805 203,211,926 179,323,175 151,325,798 132,165,129 123,202,660 106,021,568 92,228,531
Percent Change 7.4% 9.7% 13.2% 9.8% 11.5% 13.3% 18.5% 14.5% 7.3% 16.2% 15.0% 21.0%
Northeast
Resident Population 57,609,148 55,317,240 53,594,378 50,809,229 49,135,283 49,040,703 44,677,819 39,477,986 35,976,777 34,427,091 29,662,053 25,868,573
Percent Change 4.1% 3.2% 5.5% 3.4% 0.2% 9.8% 13.2% 9.7% 4.5% 16.1% 14.7% 22.9%
Midwest
Resident Population 68,985,454 66,927,001 64,392,776 59,668,632 58,865,670 56,571,663 51,619,139 44,460,762 40,143,332 38,594,100 34,019,792 29,888,542
Percent Change 3.1% 3.9% 7.9% 1.4% 4.1% 9.6% 16.1% 10.8% 4.0% 13.4% 13.8% 13.5%
South
Resident Population 126,266,107 114,555,744 100,236,820 85,445,930 75,372,362 62,795,367 54,973,113 47,197,088 41,665,901 37,857,633 33,125,803 29,389,330
Percent Change 10.2% 14.3% 17.3% 13.4% 20.0% 14.2% 16.5% 13.3% 10.1% 14.3% 12.7% 19.8%
West
Resident Population 78,588,572 71,945,553 63,197,932 52,786,082 43,172,490 34,804,193 28,053,104 20,189,962 14,379,119 12,323,836 9,213,920 7,082,086
Percent Change 9.2% 13.8% 19.7% 22.3% 24.0% 24.1% 38.9% 40.4% 16.7% 33.8% 30.1% 64.4%
Alabama
Resident Population 5,024,279 4,779,736 4,447,100 4,040,587 3,893,888 3,444,165 3,266,740 3,061,743 2,832,961 2,646,248 2,348,174 2,138,093
Percent Change 5.1% 7.5% 10.1% 3.8% 13.1% 5.4% 6.7% 8.1% 7.1% 12.7% 9.8% 16.9%
Alaska
Resident Population 733,391 710,231 626,932 550,043 401,851 300,382 226,167 128,643 72,524 59,278 55,036 64,356
Percent Change 3.3% 13.3% 14.0% 36.9% 33.8% 32.8% 75.8% 77.4% 22.3% 7.7% -14.5% 1.2%
Arizona
Resident Population 7,151,502 6,392,017 5,130,632 3,665,228 2,718,215 1,770,900 1,302,161 749,587 499,261 435,573 334,162 204,354
Percent Change 11.9% 24.6% 40.0% 34.8% 53.5% 36.0% 73.7% 50.1% 14.6% 30.3% 63.5% 66.2%
Arkansas
Resident Population 3,011,524 2,915,918 2,673,400 2,350,725 2,286,435 1,923,295 1,786,272 1,909,511 1,949,387 1,854,482 1,752,204 1,574,449
Percent Change 3.3% 9.1% 13.7% 2.8% 18.9% 7.7% -6.5% -2.0% 5.1% 5.8% 11.3% 20.0%
California
Resident Population 39,538,223 37,253,956 33,871,648 29,760,021 23,667,902 19,953,134 15,717,204 10,586,223 6,907,387 5,677,251 3,426,861 2,377,549
Percent Change 6.1% 10.0% 13.8% 25.7% 18.6% 27.0% 48.5% 53.3% 21.7% 65.7% 44.1% 60.1%
Colorado
Resident Population 5,773,714 5,029,196 4,301,261 3,294,394 2,889,964 2,207,259 1,753,947 1,325,089 1,123,296 1,035,791 939,629 799,024
Percent Change 14.8% 16.9% 30.6% 14.0% 30.9% 25.8% 32.4% 18.0% 8.4% 10.2% 17.6% 48.0%
Connecticut
Resident Population 3,605,944 3,574,097 3,405,565 3,287,116 3,107,576 3,031,709 2,535,234 2,007,280 1,709,242 1,606,903 1,380,631 1,114,756
Percent Change 0.9% 4.9% 3.6% 5.8% 2.5% 19.6% 26.3% 17.4% 6.4% 16.4% 23.9% 22.7%
Delaware
Resident Population 989,948 897,934 783,600 666,168 594,338 548,104 446,292 318,085 266,505 238,380 223,003 202,322
Percent Change 10.2% 14.6% 17.6% 12.1% 8.4% 22.8% 40.3% 19.4% 11.8% 6.9% 10.2% 9.5%
District of Columbia
Resident Population 689,545 601,723 572,059 606,900 638,333 756,510 763,956 802,178 663,091 486,869 437,571 331,069
Percent Change 14.6% 5.2% -5.7% -4.9% -15.6% -1.0% -4.8% 21.0% 36.2% 11.3% 32.2% 18.8%
Florida
Resident Population 21,538,187 18,801,310 15,982,378 12,937,926 9,746,324 6,789,443 4,951,560 2,771,305 1,897,414 1,468,211 968,470 752,619
Percent Change 14.6% 17.6% 23.5% 32.7% 43.6% 37.1% 78.7% 46.1% 29.2% 51.6% 28.7% 42.4%
Georgia
Resident Population 10,711,908 9,687,653 8,186,453 6,478,216 5,463,105 4,589,575 3,943,116 3,444,578 3,123,723 2,908,506 2,895,832 2,609,121
Percent Change 10.6% 18.3% 26.4% 18.6% 19.0% 16.4% 14.5% 10.3% 7.4% 0.4% 11.0% 17.7%
Hawaii
Resident Population 1,455,271 1,360,301 1,211,537 1,108,229 964,691 768,561 632,772 499,794 423,330 368,336 255,912 191,909
Percent Change 7.0% 12.3% 9.3% 14.9% 25.5% 21.5% 26.6% 18.1% 14.9% 43.9% 33.4% 24.6%
Idaho
Resident Population 1,839,106 1,567,582 1,293,953 1,006,749 943,935 712,567 667,191 588,637 524,873 445,032 431,866 325,594
Percent Change 17.3% 21.1% 28.5% 6.7% 32.5% 6.8% 13.3% 12.1% 17.9% 3.0% 32.6% 101.3%
Illinois
Resident Population 12,812,508 12,830,632 12,419,293 11,430,602 11,426,518 11,113,976 10,081,158 8,712,176 7,897,241 7,630,654 6,485,280 5,638,591
Percent Change -0.1% 3.3% 8.6% 0.0% 2.8% 10.2% 15.7% 10.3% 3.5% 17.7% 15.0% 16.9%
Indiana
Resident Population 6,785,528 6,483,802 6,080,485 5,544,159 5,490,224 5,193,669 4,662,498 3,934,224 3,427,796 3,238,503 2,930,390 2,700,876
Percent Change 4.7% 6.6% 9.7% 1.0% 5.7% 11.4% 18.5% 14.8% 5.8% 10.5% 8.5% 7.3%
Iowa
Resident Population 3,190,369 3,046,355 2,926,324 2,776,755 2,913,808 2,824,376 2,757,537 2,621,073 2,538,268 2,470,939 2,404,021 2,224,771
Percent Change 4.7% 4.1% 5.4% -4.7% 3.2% 2.4% 5.2% 3.3% 2.7% 2.8% 8.1% -0.3%
Kansas
Resident Population 2,937,880 2,853,118 2,688,418 2,477,574 2,363,679 2,246,578 2,178,611 1,905,299 1,801,028 1,880,999 1,769,257 1,690,949
Percent Change 3.0% 6.1% 8.5% 4.8% 5.2% 3.1% 14.3% 5.8% -4.3% 6.3% 4.6% 15.0%
Kentucky
Resident Population 4,505,836 4,339,367 4,041,769 3,685,296 3,660,777 3,218,706 3,038,156 2,944,806 2,845,627 2,614,589 2,416,630 2,289,905
Percent Change 3.8% 7.4% 9.7% 0.7% 13.7% 5.9% 3.2% 3.5% 8.8% 8.2% 5.5% 6.6%
Louisiana
Resident Population 4,657,757 4,533,372 4,468,976 4,219,973 4,205,900 3,641,306 3,257,022 2,683,516 2,363,880 2,101,593 1,798,509 1,656,388
Percent Change 2.7% 1.4% 5.9% 0.3% 15.5% 11.8% 21.4% 13.5% 12.5% 16.9% 8.6% 19.9%
Maine
Resident Population 1,362,359 1,328,361 1,274,923 1,227,928 1,124,660 992,048 969,265 913,774 847,226 797,423 768,014 742,371
Percent Change 2.6% 4.2% 3.8% 9.2% 13.4% 2.4% 6.1% 7.9% 6.2% 3.8% 3.5% 6.9%
Maryland
Resident Population 6,177,224 5,773,552 5,296,486 4,781,468 4,216,975 3,922,399 3,100,689 2,343,001 1,821,244 1,631,526 1,449,661 1,295,346
Percent Change 7.0% 9.0% 10.8% 13.4% 7.5% 26.5% 32.3% 28.6% 11.6% 12.5% 11.9% 9.0%
Massachusetts
Resident Population 7,029,917 6,547,629 6,349,097 6,016,425 5,737,037 5,689,170 5,148,578 4,690,514 4,316,721 4,249,614 3,852,356 3,366,416
Percent Change 7.4% 3.1% 5.5% 4.9% 0.8% 10.5% 9.8% 8.7% 1.6% 10.3% 14.4% 20.0%
Michigan
Resident Population 10,077,331 9,883,640 9,938,444 9,295,297 9,262,078 8,875,083 7,823,194 6,371,766 5,256,106 4,842,325 3,668,412 2,810,173
Percent Change 2.0% -0.6% 6.9% 0.4% 4.4% 13.4% 22.8% 21.2% 8.5% 32.0% 30.5% 16.1%
Minnesota
Resident Population 5,706,494 5,303,925 4,919,479 4,375,099 4,075,970 3,804,971 3,413,864 2,982,483 2,792,300 2,563,953 2,387,125 2,075,708
Percent Change 7.6% 7.8% 12.4% 7.3% 7.1% 11.5% 14.5% 6.8% 8.9% 7.4% 15.0% 18.5%
Mississippi
Resident Population 2,961,279 2,967,297 2,844,658 2,573,216 2,520,638 2,216,912 2,178,141 2,178,914 2,183,796 2,009,821 1,790,618 1,797,114
Percent Change -0.2% 4.3% 10.5% 2.1% 13.7% 1.8% -0.0% -0.2% 8.7% 12.2% -0.4% 15.8%
Missouri
Resident Population 6,154,913 5,988,927 5,595,211 5,117,073 4,916,686 4,676,501 4,319,813 3,954,653 3,784,664 3,629,367 3,404,055 3,293,335
Percent Change 2.8% 7.0% 9.3% 4.1% 5.1% 8.3% 9.2% 4.5% 4.3% 6.6% 3.4% 6.0%
Montana
Resident Population 1,084,225 989,415 902,195 799,065 786,690 694,409 674,767 591,024 559,456 537,606 548,889 376,053
Percent Change 9.6% 9.7% 12.9% 1.6% 13.3% 2.9% 14.2% 5.6% 4.1% -2.1% 46.0% 54.5%
Nebraska
Resident Population 1,961,504 1,826,341 1,711,263 1,578,385 1,569,825 1,483,493 1,411,330 1,325,510 1,315,834 1,377,963 1,296,372 1,192,214
Percent Change 7.4% 6.7% 8.4% 0.5% 5.8% 5.1% 6.5% 0.7% -4.5% 6.3% 8.7% 11.8%
Nevada
Resident Population 3,104,614 2,700,551 1,998,257 1,201,833 800,493 488,738 285,278 160,083 110,247 91,058 77,407 81,875
Percent Change 15.0% 35.1% 66.3% 50.1% 63.8% 71.3% 78.2% 45.2% 21.1% 17.6% -5.5% 93.4%
New Hampshire
Resident Population 1,377,529 1,316,470 1,235,786 1,109,252 920,610 737,681 606,921 533,242 491,524 465,293 443,083 430,572
Percent Change 4.6% 6.5% 11.4% 20.5% 24.8% 21.5% 13.8% 8.5% 5.6% 5.0% 2.9% 4.6%
New Jersey
Resident Population 9,288,994 8,791,894 8,414,350 7,730,188 7,364,823 7,168,164 6,066,782 4,835,329 4,160,165 4,041,334 3,155,900 2,537,167
Percent Change 5.7% 4.5% 8.9% 5.0% 2.7% 18.2% 25.5% 16.2% 2.9% 28.1% 24.4% 34.7%
New Mexico
Resident Population 2,117,522 2,059,179 1,819,046 1,515,069 1,302,894 1,016,000 951,023 681,187 531,818 423,317 360,350 327,301
Percent Change 2.8% 13.2% 20.1% 16.3% 28.2% 6.8% 39.6% 28.1% 25.6% 17.5% 10.1% 67.6%
New York
Resident Population 20,201,249 19,378,102 18,976,457 17,990,455 17,558,072 18,236,967 16,782,304 14,830,192 13,479,142 12,588,066 10,385,227 9,113,614
Percent Change 4.2% 2.1% 5.5% 2.5% -3.7% 8.7% 13.2% 10.0% 7.1% 21.2% 14.0% 25.4%
North Carolina
Resident Population 10,439,388 9,535,483 8,049,313 6,628,637 5,881,766 5,082,059 4,556,155 4,061,929 3,571,623 3,170,276 2,559,123 2,206,287
Percent Change 9.5% 18.5% 21.4% 12.7% 15.7% 11.5% 12.2% 13.7% 12.7% 23.9% 16.0% 16.5%
North Dakota
Resident Population 779,094 672,591 642,200 638,800 652,717 617,761 632,446 619,636 641,935 680,845 646,872 577,056
Percent Change 15.8% 4.7% 0.5% -2.1% 5.7% -2.3% 2.1% -3.5% -5.7% 5.3% 12.1% 80.8%
Ohio
Resident Population 11,799,448 11,536,504 11,353,140 10,847,115 10,797,630 10,652,017 9,706,397 7,946,627 6,907,612 6,646,697 5,759,394 4,767,121
Percent Change 2.3% 1.6% 4.7% 0.5% 1.4% 9.7% 22.1% 15.0% 3.9% 15.4% 20.8% 14.7%
Oklahoma
Resident Population 3,959,353 3,751,351 3,450,654 3,145,585 3,025,290 2,559,229 2,328,284 2,233,351 2,336,434 2,396,040 2,028,283 1,657,155
Percent Change 5.5% 8.7% 9.7% 4.0% 18.2% 9.9% 4.3% -4.4% -2.5% 18.1% 22.4% 109.7%
Oregon
Resident Population 4,237,256 3,831,074 3,421,399 2,842,321 2,633,105 2,091,385 1,768,687 1,521,341 1,089,684 953,786 783,389 672,765
Percent Change 10.6% 12.0% 20.4% 7.9% 25.9% 18.2% 16.3% 39.6% 14.2% 21.8% 16.4% 62.7%
Pennsylvania
Resident Population 13,002,700 12,702,379 12,281,054 11,881,643 11,863,895 11,793,909 11,319,366 10,498,012 9,900,180 9,631,350 8,720,017 7,665,111
Percent Change 2.4% 3.4% 3.4% 0.1% 0.6% 4.2% 7.8% 6.0% 2.8% 10.5% 13.8% 21.6%
Rhode Island
Resident Population 1,097,379 1,052,567 1,048,319 1,003,464 947,154 946,725 859,488 791,896 713,346 687,497 604,397 542,610
Percent Change 4.3% 0.4% 4.5% 5.9% 0.0% 10.1% 8.5% 11.0% 3.8% 13.7% 11.4% 26.6%
South Carolina
Resident Population 5,118,425 4,625,364 4,012,012 3,486,703 3,121,820 2,590,516 2,382,594 2,117,027 1,899,804 1,738,765 1,683,724 1,515,400
Percent Change 10.7% 15.3% 15.1% 11.7% 20.5% 8.7% 12.5% 11.4% 9.3% 3.3% 11.1% 13.1%
South Dakota
Resident Population 886,667 814,180 754,844 696,004 690,768 665,507 680,514 652,740 642,961 692,849 636,547 583,888
Percent Change 8.9% 7.9% 8.5% 0.8% 3.8% -2.2% 4.3% 1.5% -7.2% 8.8% 9.0% 45.4%
Tennessee
Resident Population 6,910,840 6,346,105 5,689,283 4,877,185 4,591,120 3,923,687 3,567,089 3,291,718 2,915,841 2,616,556 2,337,885 2,184,789
Percent Change 8.9% 11.5% 16.7% 6.2% 17.0% 10.0% 8.4% 12.9% 11.4% 11.9% 7.0% 8.1%
Texas
Resident Population 29,145,505 25,145,561 20,851,820 16,986,510 14,229,191 11,196,730 9,579,677 7,711,194 6,414,824 5,824,715 4,663,228 3,896,542
Percent Change 15.9% 20.6% 22.8% 19.4% 27.1% 16.9% 24.2% 20.2% 10.1% 24.9% 19.7% 27.8%
Utah
Resident Population 3,271,616 2,763,885 2,233,169 1,722,850 1,461,037 1,059,273 890,627 688,862 550,310 507,847 449,396 373,351
Percent Change 18.4% 23.8% 29.6% 17.9% 37.9% 18.9% 29.3% 25.2% 8.4% 13.0% 20.4% 34.9%
Vermont
Resident Population 643,077 625,741 608,827 562,758 511,456 444,330 389,881 377,747 359,231 359,611 352,428 355,956
Percent Change 2.8% 2.8% 8.2% 10.0% 15.1% 14.0% 3.2% 5.2% -0.1% 2.0% -1.0% 3.6%
Virginia
Resident Population 8,631,393 8,001,024 7,078,515 6,187,358 5,346,818 4,648,494 3,966,949 3,318,680 2,677,773 2,421,851 2,309,187 2,061,612
Percent Change 7.9% 13.0% 14.4% 15.7% 15.0% 17.2% 19.5% 23.9% 10.6% 4.9% 12.0% 11.2%
Washington
Resident Population 7,705,281 6,724,540 5,894,121 4,866,692 4,132,156 3,409,169 2,853,214 2,378,963 1,736,191 1,563,396 1,356,621 1,141,990
Percent Change 14.6% 14.1% 21.1% 17.8% 21.2% 19.5% 19.9% 37.0% 11.1% 15.2% 18.8% 120.4%
West Virginia
Resident Population 1,793,716 1,852,994 1,808,344 1,793,477 1,949,644 1,744,237 1,860,421 2,005,552 1,901,974 1,729,205 1,463,701 1,221,119
Percent Change -3.2% 2.5% 0.8% -8.0% 11.8% -6.2% -7.2% 5.4% 10.0% 18.1% 19.9% 27.4%
Wisconsin
Resident Population 5,893,718 5,686,986 5,363,675 4,891,769 4,705,767 4,417,731 3,951,777 3,434,575 3,137,587 2,939,006 2,632,067 2,333,860
Percent Change 3.6% 6.0% 9.6% 4.0% 6.5% 11.8% 15.1% 9.5% 6.8% 11.7% 12.8% 12.8%
Wyoming
Resident Population 576,851 563,626 493,782 453,588 469,557 332,416 330,066 290,529 250,742 225,565 194,402 145,965
Percent Change 2.3% 14.1% 8.9% -3.4% 41.3% 0.7% 13.6% 15.9% 11.2% 16.0% 33.2% 57.7%
Puerto Rico
Resident Population 3,285,874 3,725,789 3,808,610 3,522,037 3,196,520 2,712,033 2,349,544 2,210,703 1,869,255 1,543,913 1,299,809 1,118,012
Percent Change -11.8% -2.2% 8.1% 10.2% 17.9% 15.4% 6.3% 18.3% 21.1% 18.8% 16.3% 17.3%

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Page Last Revised - September 28, 2026