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Resident Population Data (Text Version)

Population Density

Population density is a measure of average population per square mile. Density levels have been higher across the Eastern seaboard and the Pacific coastline and lower in much of the West.

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
People per sq. mile 26.0 29.9 34.7 37.2 42.6 50.6 57.5 64.1 70.4 79.7 87.4
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
People per sq. mile 42.2 46.4 52.3 55.9 60.5 64.5 68.0 76.9 79.8 87.8 94.4
Density Rank 25 25 24 23 24 28 28 28 27 28 29
Alaska
Population 64,356 55,036 59,278 72,524 128,643 226,167 300,382 401,851 550,043 626,932 710,231
People per sq. mile 0.1 0.1 0.1 0.1 0.2 0.4 0.5 0.7 1.0 1.1 1.2
Density Rank 52 52 52 52 52 52 52 52 52 52 52
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
People per sq. mile 1.8 2.9 3.8 4.4 6.6 11.5 15.6 23.9 32.3 45.2 56.3
Density Rank 49 49 47 47 47 43 43 42 39 38 35
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
People per sq. mile 30.3 33.7 35.6 37.5 36.7 34.3 37.0 43.9 45.2 51.4 56.0
Density Rank 30 31 32 32 34 36 37 37 37 36 36
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
People per sq. mile 15.3 22.0 36.4 44.3 68.0 100.9 128.1 151.9 191.0 217.4 239.1
Density Rank 38 35 31 30 22 15 15 16 14 14 13
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
People per sq. mile 7.7 9.1 10.0 10.8 12.8 16.9 21.3 27.9 31.8 41.5 48.5
Density Rank 42 42 41 42 42 42 41 40 40 39 39
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
People per sq. mile 230.2 285.1 331.8 353.0 414.5 523.6 626.1 641.7 678.8 703.3 738.1
Density Rank 6 6 6 6 6 6 6 6 6 6 6
Delaware
Population 202,322 223,003 238,380 266,505 318,085 446,292 548,104 594,338 666,168 783,600 897,934
People per sq. mile 103.8 114.4 122.3 136.8 163.2 229.0 281.3 305.0 341.9 402.1 460.8
Density Rank 11 12 12 12 11 11 9 9 9 9 8
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
People per sq. mile 5423.1 7167.6 7975.1 10861.7 13140.0 12513.9 12392.0 10456.2 9941.3 9370.6 9856.5
Density Rank 1 1 1 1 1 1 1 1 1 1 1
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
People per sq. mile 14.0 18.1 27.4 35.4 51.7 92.3 126.6 181.8 241.3 298.0 350.6
Density Rank 40 38 35 33 29 19 16 13 12 10 10
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
People per sq. mile 45.4 50.4 50.6 54.3 59.9 68.6 79.8 95.0 112.6 142.3 168.4
Density Rank 23 21 26 27 27 26 26 24 23 20 20
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
People per sq. mile 29.9 39.8 57.3 65.9 77.8 98.5 119.7 150.2 172.6 188.6 211.8
Density Rank 31 28 21 20 19 17 17 17 15 15 15
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
People per sq. mile 3.9 5.2 5.4 6.4 7.1 8.1 8.6 11.4 12.2 15.7 19.0
Density Rank 46 46 46 46 46 47 47 45 46 46 46
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
People per sq. mile 101.6 116.8 137.4 142.2 156.9 181.6 200.2 205.8 205.9 223.7 231.1
Density Rank 12 11 11 11 12 12 12 12 13 13 14
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
People per sq. mile 75.4 81.8 90.4 95.7 109.8 130.1 145.0 153.2 154.8 169.7 181.0
Density Rank 13 13 13 13 14 14 14 15 18 18 18
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
People per sq. mile 39.8 43.0 44.2 45.4 46.9 49.4 50.6 52.2 49.7 52.4 54.5
Density Rank 26 26 28 29 30 30 31 34 35 35 38
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
People per sq. mile 20.7 21.6 23.0 22.0 23.3 26.6 27.5 28.9 30.3 32.9 34.9
Density Rank 35 36 38 39 39 39 39 39 41 42 42
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
People per sq. mile 58.0 61.2 66.2 72.1 74.6 76.9 81.5 92.7 93.3 102.4 109.9
Density Rank 14 15 16 17 20 23 25 25 25 25 24
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
People per sq. mile 38.3 41.6 48.6 54.7 62.1 75.4 84.3 97.3 97.7 103.4 104.9
Density Rank 29 27 27 26 25 24 22 23 24 24 26
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
People per sq. mile 24.1 24.9 25.9 27.5 29.6 31.4 32.2 36.5 39.8 41.3 43.1
Density Rank 33 34 36 36 37 38 38 38 38 40 40
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
People per sq. mile 133.4 149.3 168.1 187.6 241.4 319.4 404.1 434.4 492.6 545.6 594.8
Density Rank 9 9 9 9 8 8 7 7 7 7 7
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
People per sq. mile 431.6 493.9 544.8 553.4 601.3 660.1 729.4 735.5 771.3 814.0 839.4
Density Rank 3 3 4 4 5 5 5 5 5 5 5
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
People per sq. mile 49.7 64.9 85.6 93.0 112.7 138.4 157.0 163.8 164.4 175.8 174.8
Density Rank 19 14 14 14 13 13 13 14 16 17 19
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
People per sq. mile 26.1 30.0 32.2 35.1 37.5 42.9 47.8 51.2 54.9 61.8 66.6
Density Rank 32 32 34 34 33 32 33 35 33 33 33
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
People per sq. mile 38.3 38.2 42.8 46.5 46.4 46.4 47.2 53.7 54.8 60.6 63.2
Density Rank 28 29 29 28 31 31 34 33 34 34 34
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
People per sq. mile 47.9 49.5 52.8 55.1 57.5 62.8 68.0 71.5 74.4 81.4 87.1
Density Rank 21 22 23 24 28 29 28 29 29 29 30
Montana
Population 376,053 548,889 537,606 559,456 591,024 674,767 694,409 786,690 799,065 902,195 989,415
People per sq. mile 2.6 3.8 3.7 3.8 4.1 4.6 4.8 5.4 5.5 6.2 6.8
Density Rank 48 47 48 49 49 49 49 50 50 50 50
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
People per sq. mile 15.5 16.9 17.9 17.1 17.3 18.4 19.3 20.4 20.5 22.3 23.8
Density Rank 37 40 40 40 40 40 42 43 44 44 45
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
People per sq. mile 0.7 0.7 0.8 1.0 1.5 2.6 4.5 7.3 10.9 18.2 24.6
Density Rank 51 51 51 51 51 51 50 49 47 45 44
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
People per sq. mile 48.1 49.5 52.0 54.9 59.6 67.8 82.4 102.8 123.9 138.0 147.0
Density Rank 20 22 25 25 26 27 23 22 20 22 23
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
People per sq. mile 345.0 429.1 549.5 565.7 657.5 824.9 974.7 1001.4 1051.1 1144.2 1195.5
Density Rank 4 4 3 3 4 3 2 2 2 2 2
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
People per sq. mile 2.7 3.0 3.5 4.4 5.6 7.8 8.4 10.7 12.5 15.0 17.0
Density Rank 47 48 49 47 48 48 48 46 45 47 47
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
People per sq. mile 193.4 222.4 267.1 286.0 314.7 356.1 387.0 372.6 381.7 402.7 411.2
Density Rank 7 7 7 7 7 7 8 8 8 8 9
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
People per sq. mile 45.4 52.6 65.2 73.5 83.5 93.7 104.5 121.0 136.3 165.6 196.1
Density Rank 22 20 17 16 17 18 19 19 19 19 17
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
People per sq. mile 8.4 9.4 9.9 9.3 9.0 9.2 9.0 9.5 9.3 9.3 9.7
Density Rank 41 41 42 43 43 45 45 47 48 49 49
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
People per sq. mile 116.7 141.0 162.7 169.1 194.5 237.5 260.7 264.3 265.5 277.8 282.3
Density Rank 10 10 10 10 10 10 11 11 11 11 12
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
People per sq. mile 24.2 29.6 34.9 34.1 32.6 33.9 37.3 44.1 45.9 50.3 54.7
Density Rank 33 33 33 35 36 37 36 36 36 37 37
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
People per sq. mile 7.0 8.2 9.9 11.4 15.8 18.4 21.8 27.4 29.6 35.6 39.9
Density Rank 44 44 42 41 41 40 40 41 42 41 41
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
People per sq. mile 171.3 194.9 215.3 221.3 234.6 253.0 263.6 265.2 265.6 274.5 283.9
Density Rank 8 8 8 8 9 9 10 10 10 12 11
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
People per sq. mile 524.9 584.6 665.0 690.0 766.0 831.4 915.8 916.2 970.6 1014.0 1018.1
Density Rank 2 2 2 2 3 2 3 4 4 4 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
People per sq. mile 50.4 56.0 57.8 63.2 70.4 79.3 86.2 103.9 116.0 133.5 153.9
Density Rank 18 19 20 21 21 21 21 21 22 23 22
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
People per sq. mile 7.7 8.4 9.1 8.5 8.6 9.0 8.8 9.1 9.2 10.0 10.7
Density Rank 42 43 44 44 44 46 46 48 49 48 48
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
People per sq. mile 53.0 56.7 63.5 70.7 79.8 86.5 95.2 111.3 118.3 138.0 153.9
Density Rank 15 18 18 18 18 20 20 20 21 21 21
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
People per sq. mile 14.9 17.9 22.3 24.6 29.5 36.7 42.9 54.5 65.0 79.8 96.3
Density Rank 39 39 39 38 38 35 35 32 31 30 28
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
People per sq. mile 4.5 5.5 6.2 6.7 8.4 10.8 12.9 17.8 21.0 27.2 33.6
Density Rank 45 45 45 45 45 44 44 44 43 43 43
Vermont
Population 355,956 352,428 359,611 359,231 377,747 389,881 444,330 511,456 562,758 608,827 625,741
People per sq. mile 38.6 38.2 39.0 39.0 41.0 42.3 48.2 55.5 61.1 66.1 67.9
Density Rank 27 30 30 31 32 34 32 31 32 32 32
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
People per sq. mile 52.2 58.5 61.3 67.8 84.0 100.5 117.7 135.4 156.7 179.2 202.6
Density Rank 16 17 19 19 16 16 18 18 17 16 16
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
People per sq. mile 17.2 20.4 23.5 26.1 35.8 42.9 51.3 62.2 73.2 88.7 101.2
Density Rank 36 37 37 37 35 32 30 30 30 27 27
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
People per sq. mile 50.8 60.9 71.9 79.1 83.4 77.4 72.6 81.1 74.6 75.2 77.1
Density Rank 17 15 15 15 15 22 27 27 28 31 31
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
People per sq. mile 43.1 48.6 54.3 57.9 63.4 73.0 81.6 86.9 90.3 99.0 105.0
Density Rank 24 24 22 22 23 25 24 26 26 26 25
Wyoming
Population 145,965 194,402 225,565 250,742 290,529 330,066 332,416 469,557 453,588 493,782 563,626
People per sq. mile 1.5 2.0 2.3 2.6 3.0 3.4 3.4 4.8 4.7 5.1 5.8
Density Rank 50 50 50 50 50 50 51 51 51 51 51
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
People per sq. mile 326.5 379.6 450.9 546.0 645.7 686.2 792.1 933.6 1028.7 1112.1 1088.2
Density Rank 5 5 5 5 2 4 4 3 3 3 3