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Historical Population Change Data (1910-2020)

Population Change

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.

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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