Population Pyramids of Illinois Percent of Total Population 2000
Male Female
2020
85+ 80 - 84 75 - 79 70 - 74 65 - 69 60 - 64 55 - 59 50 - 54 45 - 49 40 - 44 35 - 39 30 - 34 25 - 29 20 - 24 15 - 19 10 - 14 5-9 0-4 5
Male Female
5
4
3
2
1
0
1
2
3
4
5
4
3
2
1
0
1
2
3
4
5
Age Group Total 0-4 5-9 10 - 14 15 - 19 20 - 24 25 - 29 30 - 34 35 - 39 40 - 44 45 - 49 50 - 54 55 - 59 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 85+ Under 18 5-17 18-24 25-44 45-64 65+ Total 12,419,293 876,549 929,858 905,097 894,002 850,843 891,759 919,915 996,886 986,984 873,812 752,930 577,747 462,886 397,443 374,804 316,948 218,799 192,031 3,245,451 2,368,902 1,210,898 3,795,544 2,667,375 1,500,025
Census 2000 Number Male Female 6,080,336 6,338,957 447,922 428,627 476,180 453,678 462,915 442,182 462,538 431,464 434,984 415,859 451,178 440,581 463,257 456,658 496,442 500,444 488,627 498,357 430,143 443,669 367,435 385,495 278,223 299,524 218,881 244,005 180,927 216,516 162,794 212,010 127,172 189,776 77,733 141,066 52,985 139,046 1,662,432 1,214,510 622,107 1,899,504 1,294,682 601,611 2000 34.7 33.3 36.0 69.8 49.3 20.5 1,583,019 1,154,392 588,791 1,896,040 1,372,693 898,414 2020 37.0 35.6 38.3 73.0 47.0 26.0
Percent Total 100.0 7.1 7.5 7.3 7.2 6.9 7.2 7.4 8.0 7.9 7.0 6.1 4.7 3.7 3.2 3.0 2.6 1.8 1.5 26.1 19.1 9.8 30.6 21.5 12.1 Change 2.3 2.4 2.3 3.2 -2.3 5.5
Total 13,236,720 938,241 919,830 884,461 854,267 843,858 920,013 908,780 902,643 838,100 824,700 819,364 830,201 763,498 623,594 500,478 342,752 233,527 288,413 3,255,770 2,317,529 1,184,887 3,569,536 3,237,763 1,988,764
Projection 2020 Number Male 6,530,767 479,102 469,339 452,249 438,155 432,795 471,781 464,681 464,019 425,185 414,457 409,750 407,248 365,484 288,353 222,463 144,480 90,971 90,255 1,663,982 1,184,880 607,658 1,825,666 1,596,939 836,522
Female 6,705,953 459,139 450,491 432,212 416,112 411,063 448,232 444,099 438,624 412,915 410,243 409,614 422,953 398,014 335,241 278,015 198,272 142,556 198,158 1,591,788 1,132,649 577,229 1,743,870 1,640,824 1,152,242
Percent Total 100.0 7.1 6.9 6.7 6.5 6.4 7.0 6.9 6.8 6.3 6.2 6.2 6.3 5.8 4.7 3.8 2.6 1.8 2.2 24.6 17.5 9.0 27.0 24.5 15.0 2000 32.0 95.9 105.0 98.9 72.2 38.1
2000 - 2020 Change Total Number Percent 817,427 6.6 61,692 7.0 -10,028 -1.1 -20,636 -2.3 -39,735 -4.4 -6,985 -0.8 28,254 3.2 -11,135 -1.2 -94,243 -9.5 -148,884 -15.1 -49,112 -5.6 66,434 8.8 252,454 43.7 300,612 64.9 226,151 56.9 125,674 33.5 25,804 8.1 14,728 6.7 96,382 50.2 10,319 -51,373 -26,011 -226,008 570,388 488,739 2020 36.5 97.4 104.5 101.7 78.2 45.5 0.3 -2.2 -2.1 -6.0 21.4 32.6 Change 4.5 1.5 -0.5 2.8 6.0 7.4
Demographic Indicator Median Age Male Female Dependency Ratio (1) Youth (2) Old Age (3)
Demographic Indicator Child-Women Ratio (4) Sex Ratio (5) Under 18 18-64 65-84 85+
(1) Dependency Ratio = (Age under 20 + Age 65 and over) / (Age 20-64) X 100 (2) Youth dependency ratio = Age under 20 / Age 20- 64 X 100 (3) Old age dependency ratio = Age 65 and over / Age 20 - 64 X100
(4) Child-Women ratio = Age under 5 / Female 15 - 44 X 100 (5) Sex Ratio = Male / Female X 100
Source: U.S. Census Bureau, Population Division, Interim State Population Projections, 2005 Internet Release Date: April 21, 2005