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Resident Population Data

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