Population Pyramids of Colorado 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 4,301,261 297,505 308,428 311,497 307,238 306,238 331,795 332,232 366,092 370,731 334,855 279,270 194,722 144,585 121,222 105,088 85,922 55,625 48,216 1,100,795 803,290 430,111 1,400,850 953,432 416,073
Census 2000 Number Male Female 2,165,983 2,135,278 152,353 145,152 158,119 150,309 160,118 151,379 159,971 147,267 162,619 143,619 175,593 156,202 172,898 159,334 185,712 180,380 186,634 184,097 167,899 166,956 140,452 138,818 96,345 98,377 70,739 73,846 57,663 63,559 47,250 57,838 36,043 49,879 21,422 34,203 14,153 34,063 565,710 413,357 227,470 720,837 475,435 176,531 2000 34.3 33.2 35.4 61.7 46.0 15.6 535,085 389,933 202,641 680,013 477,997 239,542 2020 36.0 35.2 36.9 72.8 48.2 24.6
Percent Total 100.0 6.9 7.2 7.2 7.1 7.1 7.7 7.7 8.5 8.6 7.8 6.5 4.5 3.4 2.8 2.4 2.0 1.3 1.1 25.6 18.7 10.0 32.6 22.2 9.7 Change 1.7 2.0 1.5 11.1 2.2 8.9
Total 5,278,867 387,617 374,214 354,829 356,206 348,671 366,054 375,798 362,533 337,217 332,145 314,505 317,178 300,997 253,427 197,011 124,550 81,141 94,774 1,327,467 939,850 494,070 1,441,602 1,264,825 750,903
Projection 2020 Number Male 2,673,752 198,926 192,310 182,246 185,673 183,260 191,208 195,906 187,561 175,414 172,597 161,697 160,418 149,732 123,143 93,439 55,128 33,357 31,737 682,912 483,986 259,503 750,089 644,444 336,804
Female 2,605,115 188,691 181,904 172,583 170,533 165,411 174,846 179,892 174,972 161,803 159,548 152,808 156,760 151,265 130,284 103,572 69,422 47,784 63,037 644,555 455,864 234,567 691,513 620,381 414,099
Percent Total 100.0 7.3 7.1 6.7 6.7 6.6 6.9 7.1 6.9 6.4 6.3 6.0 6.0 5.7 4.8 3.7 2.4 1.5 1.8 25.1 17.8 9.4 27.3 24.0 14.2 2000 30.6 101.4 105.7 104.6 79.0 41.5
2000 - 2020 Change Total Number Percent 977,606 22.7 90,112 30.3 65,786 21.3 43,332 13.9 48,968 15.9 42,433 13.9 34,259 10.3 43,566 13.1 -3,559 -1.0 -33,514 -9.0 -2,710 -0.8 35,235 12.6 122,456 62.9 156,412 108.2 132,205 109.1 91,923 87.5 38,628 45.0 25,516 45.9 46,558 96.6 226,672 136,560 63,959 40,752 311,393 334,830 2020 37.7 102.6 106.0 107.0 86.9 50.3 20.6 17.0 14.9 2.9 32.7 80.5 Change 7.1 1.2 0.2 2.3 7.9 8.8
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