Historical Population Change Data (1910-2020)

Historical Population Change Data (1910-2020)
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Historical Population Change Data (1910-2020)
Historical Population Change Data (1910-2020)
April 26, 2021
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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Historical Apportionment Data CSV file
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Related Information
Visualization
Historical Apportionment Data Map (Interactive)
April 26, 2021
This interactive tool enables users to view more than 10 decades of apportionment and population data.
Table
Historical Apportionment Data (1910-2020)
April 26, 2021
Historical apportionment data for the nation and states.
Table
Historical Population Density Data (1910-2020)
April 26, 2021
Population density for the nation and states.
Decennial Census of Population and Housing Data Tables
Stats displayed in columns and rows with title, ID, notes, sources and release date. Many tables are in downloadable XLS, CSV and PDF file formats.
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