| Population Projection Series | |||||||||||||||
| June 29, 2000 | |||||||||||||||
| New Castle County | |||||||||||||||
| Total Population | |||||||||||||||
| [As of July 1] | |||||||||||||||
| 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2005 | 2010 | 2015 | 2020 | |
| MALES | |||||||||||||||
| 0 - 4 | 16814 | 17047 | 17209 | 17225 | 17251 | 17070 | 16873 | 16784 | 16703 | 16600 | 16510 | 15637 | 14911 | 14823 | 15031 |
| 5 - 9 | 15625 | 15816 | 15956 | 16053 | 16288 | 16401 | 16557 | 16719 | 16768 | 16856 | 16926 | 16046 | 15185 | 14441 | 14383 |
| 10 - 14 | 14297 | 14705 | 15067 | 15349 | 15639 | 15739 | 15864 | 16005 | 16144 | 16268 | 16402 | 17005 | 16091 | 15175 | 14448 |
| 15 - 19 | 15382 | 14874 | 14672 | 14669 | 14807 | 14932 | 15302 | 15695 | 16026 | 16382 | 16738 | 16714 | 17307 | 16322 | 15414 |
| 20 - 24 | 18846 | 18799 | 18557 | 18020 | 17433 | 16853 | 16294 | 16099 | 16144 | 16054 | 16035 | 18107 | 18051 | 18647 | 17628 |
| 25 - 29 | 20175 | 20161 | 20015 | 19880 | 19840 | 19952 | 19840 | 19494 | 18952 | 18503 | 18028 | 17490 | 19772 | 19600 | 20295 |
| 30 - 34 | 20514 | 20859 | 21064 | 21180 | 21272 | 21363 | 21263 | 21055 | 20881 | 20675 | 20493 | 18742 | 18114 | 20379 | 20265 |
| 35 - 39 | 17520 | 18314 | 19138 | 19966 | 20750 | 21550 | 21833 | 21994 | 22066 | 22159 | 22243 | 21617 | 19748 | 18996 | 21391 |
| 40 - 44 | 15459 | 16157 | 16413 | 16885 | 17423 | 18067 | 18803 | 19596 | 20380 | 21194 | 22043 | 22850 | 22308 | 20267 | 19480 |
| 45 - 49 | 12164 | 12603 | 13477 | 14074 | 14699 | 15402 | 16055 | 16262 | 16678 | 16983 | 17358 | 21959 | 22727 | 22151 | 20140 |
| 50 - 54 | 9823 | 10181 | 10584 | 11096 | 11519 | 11950 | 12343 | 13168 | 13706 | 14427 | 15102 | 16879 | 21355 | 22014 | 21564 |
| 55 - 59 | 9106 | 9069 | 9052 | 9112 | 9168 | 9239 | 9536 | 9892 | 10329 | 10737 | 11187 | 14183 | 15833 | 19993 | 20631 |
| 60 - 64 | 8871 | 8805 | 8667 | 8494 | 8321 | 8208 | 8148 | 8127 | 8170 | 8171 | 8194 | 9801 | 12393 | 13807 | 17524 |
| 65 - 69 | 7902 | 7854 | 7821 | 7827 | 7766 | 7729 | 7673 | 7550 | 7406 | 7267 | 7130 | 6872 | 8176 | 10310 | 11452 |
| 70 - 74 | 5678 | 5942 | 6153 | 6321 | 6500 | 6601 | 6575 | 6529 | 6526 | 6495 | 6480 | 5962 | 5755 | 6825 | 8622 |
| 75 - 79 | 3580 | 3713 | 3900 | 4036 | 4187 | 4391 | 4545 | 4686 | 4801 | 4928 | 5055 | 4776 | 4394 | 4247 | 5043 |
| 80 - 84 | 1875 | 1947 | 2028 | 2133 | 2235 | 2343 | 2444 | 2567 | 2681 | 2805 | 2933 | 3346 | 3158 | 2894 | 2801 |
| 85 & up | 1058 | 1104 | 1146 | 1169 | 1211 | 1245 | 1304 | 1359 | 1416 | 1474 | 1536 | 1692 | 1919 | 1871 | 1734 |
| Subtotal | 214689 | 217950 | 220919 | 223489 | 226309 | 229035 | 231252 | 233581 | 235777 | 237978 | 240393 | 249678 | 257197 | 262762 | 267846 |
| FEMALES | |||||||||||||||
| 0 - 4 | 15909 | 16111 | 16251 | 16255 | 16258 | 16068 | 15864 | 15757 | 15674 | 15563 | 15468 | 14607 | 13927 | 13849 | 14044 |
| 5 - 9 | 14798 | 14944 | 15037 | 15101 | 15278 | 15340 | 15483 | 15616 | 15641 | 15703 | 15747 | 14686 | 13854 | 13170 | 13117 |
| 10 - 14 | 13711 | 14092 | 14446 | 14716 | 14993 | 15095 | 15178 | 15274 | 15369 | 15448 | 15537 | 16008 | 14907 | 14018 | 13346 |
| 15 - 19 | 15703 | 15046 | 14714 | 14661 | 14717 | 14793 | 15163 | 15543 | 15882 | 16251 | 16609 | 16200 | 16668 | 15470 | 14568 |
| 20 - 24 | 19604 | 19521 | 19124 | 18519 | 17767 | 17095 | 16494 | 16245 | 16237 | 16095 | 16026 | 17924 | 17449 | 17923 | 16688 |
| 25 - 29 | 20434 | 20427 | 20281 | 20165 | 20111 | 20252 | 20116 | 19746 | 19171 | 18695 | 18192 | 17013 | 19037 | 18460 | 18996 |
| 30 - 34 | 20824 | 21148 | 21318 | 21415 | 21480 | 21565 | 21508 | 21339 | 21200 | 21028 | 20879 | 18905 | 17558 | 19550 | 19006 |
| 35 - 39 | 18200 | 19000 | 19813 | 20645 | 21411 | 22206 | 22494 | 22649 | 22709 | 22792 | 22865 | 22418 | 20286 | 18746 | 20904 |
| 40 - 44 | 16329 | 17018 | 17228 | 17670 | 18164 | 18763 | 19519 | 20322 | 21103 | 21918 | 22764 | 23146 | 22760 | 20534 | 18951 |
| 45 - 49 | 12907 | 13378 | 14297 | 14929 | 15606 | 16357 | 16984 | 17167 | 17546 | 17816 | 18152 | 22832 | 23176 | 22737 | 20548 |
| 50 - 54 | 10316 | 10667 | 11074 | 11586 | 11997 | 12436 | 12853 | 13717 | 14284 | 15041 | 15751 | 17192 | 21615 | 21830 | 21521 |
| 55 - 59 | 9870 | 9748 | 9638 | 9623 | 9608 | 9602 | 9880 | 10243 | 10674 | 11082 | 11527 | 14148 | 15407 | 19323 | 19490 |
| 60 - 64 | 9954 | 9836 | 9650 | 9428 | 9200 | 9055 | 8901 | 8794 | 8759 | 8679 | 8624 | 10254 | 12582 | 13644 | 17161 |
| 65 - 69 | 9778 | 9618 | 9502 | 9421 | 9242 | 9109 | 8977 | 8794 | 8586 | 8387 | 8191 | 7423 | 8829 | 10823 | 11727 |
| 70 - 74 | 7618 | 7948 | 8271 | 8524 | 8791 | 8971 | 8830 | 8664 | 8535 | 8383 | 8247 | 7634 | 6908 | 8219 | 10104 |
| 75 - 79 | 5789 | 5905 | 6028 | 6117 | 6214 | 6333 | 6613 | 6838 | 7033 | 7245 | 7459 | 6571 | 6073 | 5494 | 6553 |
| 80 - 84 | 3832 | 3932 | 4042 | 4136 | 4245 | 4386 | 4452 | 4547 | 4629 | 4715 | 4802 | 5747 | 5067 | 4675 | 4231 |
| 85 & up | 3279 | 3388 | 3446 | 3529 | 3634 | 3712 | 3823 | 3907 | 3999 | 4084 | 4176 | 4392 | 5051 | 4885 | 4669 |
| Subtotal | 228855 | 231727 | 234160 | 236440 | 238716 | 241138 | 243132 | 245162 | 247031 | 248925 | 251016 | 257100 | 261154 | 263350 | 265624 |