Summary: Table of age-related census data for 1990 and 2000
| Amount | ||||||
| 2000 | 1990 | |||||
| DC | National | % National | DC | National | % National | |
| Households | ||||||
| All | 248,338 | 105,480,101 | 0.2% | 249,634 | 91,947,410 | 0.3% |
| Age 65+ | 53,369 | 24,672,708 | 0.2% | 57,903 | 22,154,422 | 0.3% |
| Alone | 24,903 | 9,722,857 | 0.3% | 27,237 | 8,824,845 | 0.3% |
| Not Alone | 28,466 | 14,949,851 | 0.2% | 30,666 | 13,329,577 | 0.2% |
| Population | ||||||
| All Ages | 572,059 | 281,421,906 | 0.2% | 606,900 | 248,709,873 | 0.2% |
| Under 5 years | 32,536 | 19,175,798 | 0.2% | 37,351 | 18,354,443 | 0.2% |
| 5 to 9 years | 35,385 | 20,549,505 | 0.2% | 31,997 | 18,099,179 | 0.2% |
| 10 to 14 years | 30,018 | 20,528,072 | 0.1% | 29,318 | 17,114,249 | 0.2% |
| 15 to 19 years | 37,867 | 20,219,890 | 0.2% | 41,277 | 17,754,015 | 0.2% |
| 20 to 24 years | 51,823 | 18,964,001 | 0.3% | 59,707 | 19,020,312 | 0.3% |
| 25 to 34 years | 101,762 | 39,891,724 | 0.3% | 121,276 | 43,175,932 | 0.3% |
| 35 to 44 years | 87,677 | 45,148,527 | 0.2% | 95,196 | 37,578,903 | 0.3% |
| 45 to 54 years | 75,310 | 37,677,952 | 0.2% | 62,031 | 25,223,086 | 0.2% |
| 55 to 59 years | 27,803 | 13,469,237 | 0.2% | 25,441 | 10,531,756 | 0.2% |
| 60 to 64 years | 21,980 | 10,805,447 | 0.2% | 25,459 | 10,616,167 | 0.2% |
| 65 to 74 years | 35,919 | 18,390,986 | 0.2% | 44,553 | 18,106,558 | 0.2% |
| 75 to 84 years | 25,004 | 12,361,180 | 0.2% | 25,447 | 10,055,108 | 0.3% |
| 85 years and over | 8,975 | 4,239,587 | 0.2% | 7,847 | 3,080,165 | 0.3% |
| Age 15 | 97,939 | 60,253,375 | 0.2% | 98,666 | 53,567,871 | 0.2% |
| Age 15-24 | 89,690 | 39,183,891 | 0.2% | 100,984 | 36,774,327 | 0.3% |
| Age 25-34 | 101,762 | 39,891,724 | 0.3% | 121,276 | 43,175,932 | 0.3% |
| Age 35-44 | 87,677 | 45,148,527 | 0.2% | 95,196 | 37,578,903 | 0.3% |
| Age 45-54 | 75,310 | 37,677,952 | 0.2% | 62,031 | 25,223,086 | 0.2% |
| Age 55-64 | 49,783 | 24,274,684 | 0.2% | 50,900 | 21,147,923 | 0.2% |
| Age 65-74 | 35,919 | 18,390,986 | 0.2% | 44,553 | 18,106,558 | 0.2% |
| Age 75-84 | 25,004 | 12,361,180 | 0.2% | 25,447 | 10,055,108 | 0.3% |
| Age 85+ | 8,975 | 4,239,587 | 0.2% | 7,847 | 3,080,165 | 0.3% |
| Under Age 55 | 452,378 | 222,155,469 | 0.2% | 478,153 | 196,320,119 | 0.2% |
| Age 55+ | 119,681 | 59,266,437 | 0.2% | 128,747 | 52,389,754 | 0.2% |
| Age 65+ | 69,898 | 34,991,753 | 0.2% | 77,847 | 31,241,831 | 0.2% |
| Age 75+ | 33,979 | 16,600,767 | 0.2% | 33,294 | 13,135,273 | 0.3% |
| Age 85+ | 8,975 | 4,239,587 | 0.2% | 7,847 | 3,080,165 | 0.3% |
| Age 65+ population living alone | 36% | 28% | 35% | 28% | ||
| 1990-2000 Change | ||||||
| Amount of Change | Percentage Change | |||||
| DC | National | % National | DC | National | Difference | |
| Households | ||||||
| All | (1,296) | 13,532,691 | - | (1%) | 15% | (16%) |
| Age 65+ | (4,534) | 2,518,286 | (0.2%) | (8%) | 11% | (19%) |
| Alone | (2,334) | 898,012 | (0.3%) | (9%) | 10% | (19%) |
| Not Alone | (2,200) | 1,620,274 | (0.1%) | (7%) | 12% | (19%) |
| Population | ||||||
| All Ages | (34,841) | 32,712,033 | (0.1%) | (6%) | 13% | (19%) |
| Under 5 years | (4,815) | 821,355 | (0.6%) | (13%) | 4% | (17%) |
| 5 to 9 years | 3,388 | 2,450,326 | 0.1% | 11% | 14% | (3%) |
| 10 to 14 years | 700 | 3,413,823 | - | 2% | 20% | (18%) |
| 15 to 19 years | (3,410) | 2,465,875 | (0.1%) | (8%) | 14% | (22%) |
| 20 to 24 years | (7,884) | (56,311) | (14.0%) | (13%) | - | (13%) |
| 25 to 34 years | (19,514) | (3,284,208) | (0.6%) | (16%) | (8%) | (8%) |
| 35 to 44 years | (7,519) | 7,569,624 | (0.1%) | (8%) | 20% | (28%) |
| 45 to 54 years | 13,279 | 12,454,866 | 0.1% | 21% | 49% | (28%) |
| 55 to 59 years | 2,362 | 2,937,481 | 0.1% | 9% | 28% | (19%) |
| 60 to 64 years | (3,479) | 189,280 | (1.8%) | (14%) | 2% | (16%) |
| 65 to 74 years | (8,634) | 284,428 | (3.0%) | (19%) | 2% | (21%) |
| 75 to 84 years | (443) | 2,306,072 | - | (2%) | 23% | (25%) |
| 85 years and over | 1,128 | 1,159,422 | 0.1% | 14% | 38% | (24%) |
| Age 15 | (727) | 6,685,504 | - | (1%) | 12% | (13%) |
| Age 15-24 | (11,294) | 2,409,564 | (0.5%) | (11%) | 7% | (18%) |
| Age 25-34 | (19,514) | (3,284,208) | (0.6%) | (16%) | (8%) | (8%) |
| Age 35-44 | (7,519) | 7,569,624 | (0.1%) | (8%) | 20% | (28%) |
| Age 45-54 | 13,279 | 12,454,866 | 0.1% | 21% | 49% | (28%) |
| Age 55-64 | (1,117) | 3,126,761 | - | (2%) | 15% | (17%) |
| Age 65-74 | (8,634) | 284,428 | (3.0%) | (19%) | 2% | (21%) |
| Age 75-84 | (443) | 2,306,072 | - | (2%) | 23% | (25%) |
| Age 85+ | 1,128 | 1,159,422 | 0.1% | 14% | 38% | (24%) |
| Under Age 55 | (25,775) | 25,835,350 | (0.1%) | (5%) | 13% | (18%) |
| Age 55+ | (9,066) | 6,876,683 | (0.1%) | (7%) | 13% | (20%) |
| Age 65+ | (7,949) | 3,749,922 | (0.2%) | (10%) | 12% | (22%) |
| Age 75+ | 685 | 3,465,494 | - | 2% | 26% | (24%) |
| Age 85+ | 1,128 | 1,159,422 | 0.1% | 14% | 38% | (24%) |
| Percent of Total | ||||||
| 2000 | 1990 | |||||
| DC | National | Difference | DC | National | Difference | |
| Households | ||||||
| Age 65+ | 21% | 23% | (2%) | 23% | 24% | (1%) |
| Alone | 10% | 9% | 1% | 11% | 10% | 1% |
| Not Alone | 11% | 14% | (3%) | 12% | 14% | (2%) |
| Population | ||||||
| Under 5 years | 6% | 7% | (1%) | 6% | 7% | (1%) |
| 5 to 9 years | 6% | 7% | (1%) | 5% | 7% | (2%) |
| 10 to 14 years | 5% | 7% | (2%) | 5% | 7% | (2%) |
| 15 to 19 years | 7% | 7% | - | 7% | 7% | - |
| 20 to 24 years | 9% | 7% | 2% | 10% | 8% | 2% |
| 25 to 34 years | 18% | 14% | 4% | 20% | 17% | 3% |
| 35 to 44 years | 15% | 16% | (1%) | 16% | 15% | 1% |
| 45 to 54 years | 13% | 13% | - | 10% | 10% | - |
| 55 to 59 years | 5% | 5% | - | 4% | 4% | - |
| 60 to 64 years | 4% | 4% | - | 4% | 4% | - |
| 65 to 74 years | 6% | 7% | (1%) | 7% | 7% | - |
| 75 to 84 years | 4% | 4% | - | 4% | 4% | - |
| 85 years and over | 2% | 2% | - | 1% | 1% | - |
| Age 15 | 17% | 21% | (4%) | 16% | 22% | (6%) |
| Age 15-24 | 16% | 14% | 2% | 17% | 15% | 2% |
| Age 25-34 | 18% | 14% | 4% | 20% | 17% | 3% |
| Age 35-44 | 15% | 16% | (1%) | 16% | 15% | 1% |
| Age 45-54 | 13% | 13% | - | 10% | 10% | - |
| Age 55-64 | 9% | 9% | - | 8% | 9% | (1%) |
| Age 65-74 | 6% | 7% | (1%) | 7% | 7% | - |
| Age 75-84 | 4% | 4% | - | 4% | 4% | - |
| Age 85+ | 2% | 2% | - | 1% | 1% | - |
| Under Age 55 | 79% | 79% | - | 79% | 79% | - |
| Age 55+ | 21% | 21% | - | 21% | 21% | - |
| Age 65+ | 12% | 12% | - | 13% | 13% | - |
| Age 75+ | 6% | 6% | - | 5% | 5% | - |
| Age 85+ | 2% | 2% | - | 1% | 1% | - |