Summary: Table of age-related census data for 1990 and 2000
| Amount | ||||||
| 2000 | 1990 | |||||
| Colorado | National | % National | Colorado | National | % National | |
| Households | ||||||
| All | 1,658,238 | 105,480,101 | 1.6% | 1,282,489 | 91,947,410 | 1.4% |
| Age 65+ | 292,763 | 24,672,708 | 1.2% | 233,048 | 22,154,422 | 1.1% |
| Alone | 116,235 | 9,722,857 | 1.2% | 95,849 | 8,824,845 | 1.1% |
| Not Alone | 176,528 | 14,949,851 | 1.2% | 137,199 | 13,329,577 | 1.0% |
| Population | ||||||
| All Ages | 4,301,261 | 281,421,906 | 1.5% | 3,294,394 | 248,709,873 | 1.3% |
| Under 5 years | 297,505 | 19,175,798 | 1.6% | 252,893 | 18,354,443 | 1.4% |
| 5 to 9 years | 308,428 | 20,549,505 | 1.5% | 253,197 | 18,099,179 | 1.4% |
| 10 to 14 years | 311,497 | 20,528,072 | 1.5% | 227,289 | 17,114,249 | 1.3% |
| 15 to 19 years | 307,238 | 20,219,890 | 1.5% | 224,962 | 17,754,015 | 1.3% |
| 20 to 24 years | 306,238 | 18,964,001 | 1.6% | 238,450 | 19,020,312 | 1.3% |
| 25 to 34 years | 664,027 | 39,891,724 | 1.7% | 611,849 | 43,175,932 | 1.4% |
| 35 to 44 years | 736,823 | 45,148,527 | 1.6% | 568,087 | 37,578,903 | 1.5% |
| 45 to 54 years | 614,125 | 37,677,952 | 1.6% | 336,671 | 25,223,086 | 1.3% |
| 55 to 59 years | 194,722 | 13,469,237 | 1.4% | 130,193 | 10,531,756 | 1.2% |
| 60 to 64 years | 144,585 | 10,805,447 | 1.3% | 121,360 | 10,616,167 | 1.1% |
| 65 to 74 years | 226,310 | 18,390,986 | 1.2% | 194,527 | 18,106,558 | 1.1% |
| 75 to 84 years | 141,547 | 12,361,180 | 1.1% | 101,963 | 10,055,108 | 1.0% |
| 85 years and over | 48,216 | 4,239,587 | 1.1% | 32,953 | 3,080,165 | 1.1% |
| Under Age 15 | 917,430 | 60,253,375 | 1.5% | 733,379 | 53,567,871 | 1.4% |
| Age 15-24 | 613,476 | 39,183,891 | 1.6% | 463,412 | 36,774,327 | 1.3% |
| Age 25-34 | 664,027 | 39,891,724 | 1.7% | 611,849 | 43,175,932 | 1.4% |
| Age 35-44 | 736,823 | 45,148,527 | 1.6% | 568,087 | 37,578,903 | 1.5% |
| Age 45-54 | 614,125 | 37,677,952 | 1.6% | 336,671 | 25,223,086 | 1.3% |
| Age 55-64 | 339,307 | 24,274,684 | 1.4% | 251,553 | 21,147,923 | 1.2% |
| Age 65-74 | 226,310 | 18,390,986 | 1.2% | 194,527 | 18,106,558 | 1.1% |
| Age 75-84 | 141,547 | 12,361,180 | 1.1% | 101,963 | 10,055,108 | 1.0% |
| Age 85+ | 48,216 | 4,239,587 | 1.1% | 32,953 | 3,080,165 | 1.1% |
| Under Age 55 | 3,545,881 | 222,155,469 | 1.6% | 2,713,398 | 196,320,119 | 1.4% |
| Age 55+ | 755,380 | 59,266,437 | 1.3% | 580,996 | 52,389,754 | 1.1% |
| Age 65+ | 416,073 | 34,991,753 | 1.2% | 329,443 | 31,241,831 | 1.1% |
| Age 75+ | 189,763 | 16,600,767 | 1.1% | 134,916 | 13,135,273 | 1.0% |
| Age 85+ | 48,216 | 4,239,587 | 1.1% | 32,953 | 3,080,165 | 1.1% |
| Age 65+ population living alone | 28% | 28% | 29% | 28% | ||
| 1990-2000 Change | ||||||
| Amount of Change | Percentage Change | |||||
| Colorado | National | % National | Colorado | National | Difference | |
| Households | ||||||
| All | 375,749 | 13,532,691 | 2.8% | 29% | 15% | 14% |
| Age 65+ | 59,715 | 2,518,286 | 2.4% | 26% | 11% | 15% |
| Alone | 20,386 | 898,012 | 2.3% | 21% | 10% | 11% |
| Not Alone | 39,329 | 1,620,274 | 2.4% | 29% | 12% | 17% |
| Population | ||||||
| All Ages | 1,006,867 | 32,712,033 | 3.1% | 31% | 13% | 18% |
| Under 5 years | 44,612 | 821,355 | 5.4% | 18% | 4% | 14% |
| 5 to 9 years | 55,231 | 2,450,326 | 2.3% | 22% | 14% | 8% |
| 10 to 14 years | 84,208 | 3,413,823 | 2.5% | 37% | 20% | 17% |
| 15 to 19 years | 82,276 | 2,465,875 | 3.3% | 37% | 14% | 23% |
| 20 to 24 years | 67,788 | (56,311) | 120.4% | 28% | - | 28% |
| 25 to 34 years | 52,178 | (3,284,208) | 1.6% | 9% | (8%) | 17% |
| 35 to 44 years | 168,736 | 7,569,624 | 2.2% | 30% | 20% | 10% |
| 45 to 54 years | 277,454 | 12,454,866 | 2.2% | 82% | 49% | 33% |
| 55 to 59 years | 64,529 | 2,937,481 | 2.2% | 50% | 28% | 22% |
| 60 to 64 years | 23,225 | 189,280 | 12.3% | 19% | 2% | 17% |
| 65 to 74 years | 31,783 | 284,428 | 11.2% | 16% | 2% | 14% |
| 75 to 84 years | 39,584 | 2,306,072 | 1.7% | 39% | 23% | 16% |
| 85 years and over | 15,263 | 1,159,422 | 1.3% | 46% | 38% | 8% |
| Under Age 15 | 184,051 | 6,685,504 | 2.8% | 25% | 12% | 13% |
| Age 15-24 | 150,064 | 2,409,564 | 6.2% | 32% | 7% | 25% |
| Age 25-34 | 52,178 | (3,284,208) | 1.6% | 9% | (8%) | 17% |
| Age 35-44 | 168,736 | 7,569,624 | 2.2% | 30% | 20% | 10% |
| Age 45-54 | 277,454 | 12,454,866 | 2.2% | 82% | 49% | 33% |
| Age 55-64 | 87,754 | 3,126,761 | 2.8% | 35% | 15% | 20% |
| Age 65-74 | 31,783 | 284,428 | 11.2% | 16% | 2% | 14% |
| Age 75-84 | 39,584 | 2,306,072 | 1.7% | 39% | 23% | 16% |
| Age 85+ | 15,263 | 1,159,422 | 1.3% | 46% | 38% | 8% |
| Under Age 55 | 832,483 | 25,835,350 | 3.2% | 31% | 13% | 18% |
| Age 55+ | 174,384 | 6,876,683 | 2.5% | 30% | 13% | 17% |
| Age 65+ | 86,630 | 3,749,922 | 2.3% | 26% | 12% | 14% |
| Age 75+ | 54,847 | 3,465,494 | 1.6% | 41% | 26% | 15% |
| Age 85+ | 15,263 | 1,159,422 | 1.3% | 46% | 38% | 8% |
| Percent of Total | ||||||
| 2000 | 1990 | |||||
| Colorado | National | Difference | Colorado | National | Difference | |
| Households | ||||||
| Age 65+ | 18% | 23% | (5%) | 18% | 24% | (6%) |
| Alone | 7% | 9% | (2%) | 7% | 10% | (3%) |
| Not Alone | 11% | 14% | (3%) | 11% | 14% | (3%) |
| Population | ||||||
| Under 5 years | 7% | 7% | - | 8% | 7% | 1% |
| 5 to 9 years | 7% | 7% | - | 8% | 7% | 1% |
| 10 to 14 years | 7% | 7% | - | 7% | 7% | - |
| 15 to 19 years | 7% | 7% | - | 7% | 7% | - |
| 20 to 24 years | 7% | 7% | - | 7% | 8% | (1%) |
| 25 to 34 years | 15% | 14% | 1% | 19% | 17% | 2% |
| 35 to 44 years | 17% | 16% | 1% | 17% | 15% | 2% |
| 45 to 54 years | 14% | 13% | 1% | 10% | 10% | - |
| 55 to 59 years | 5% | 5% | - | 4% | 4% | - |
| 60 to 64 years | 3% | 4% | (1%) | 4% | 4% | - |
| 65 to 74 years | 5% | 7% | (2%) | 6% | 7% | (1%) |
| 75 to 84 years | 3% | 4% | (1%) | 3% | 4% | (1%) |
| 85 years and over | 1% | 2% | (1%) | 1% | 1% | - |
| Under Age 15 | 21% | 21% | - | 22% | 22% | - |
| Age 15-24 | 14% | 14% | - | 14% | 15% | (1%) |
| Age 25-34 | 15% | 14% | 1% | 19% | 17% | 2% |
| Age 35-44 | 17% | 16% | 1% | 17% | 15% | 2% |
| Age 45-54 | 14% | 13% | 1% | 10% | 10% | - |
| Age 55-64 | 8% | 9% | (1%) | 8% | 9% | (1%) |
| Age 65-74 | 5% | 7% | (2%) | 6% | 7% | (1%) |
| Age 75-84 | 3% | 4% | (1%) | 3% | 4% | (1%) |
| Age 85+ | 1% | 2% | (1%) | 1% | 1% | - |
| Under Age 55 | 82% | 79% | 3% | 82% | 79% | 3% |
| Age 55+ | 18% | 21% | (3%) | 18% | 21% | (3%) |
| Age 65+ | 10% | 12% | (2%) | 10% | 13% | (3%) |
| Age 75+ | 4% | 6% | (2%) | 4% | 5% | (1%) |
| Age 85+ | 1% | 2% | (1%) | 1% | 1% | - |