(CO-99-13) Population Estimates for Counties by Age Group: July 1, 1999 Source: Population Estimates Program, Population Division, U.S. Census Bureau, Washington, DC 20233 Contact: Demographic Call Center Staff, 1-866-758-1060 pop@census.gov (please include a phone number with email correspondence) Internet Release Date: August 30, 2000 Total Ages Ages Ages Ages Ages Ages Ages Ages Ages Area Name Population 0-4 5-17 18-24 25-44 45-64 16+ 21+ 65+ 85+ COLORADO 4056133 288215 777295 392703 1222649 967498 3115651 2807531 407773 47621 Adams County 331045 27188 70039 32060 97938 78270 244706 219129 25550 2466 Alamosa County 14595 1284 3164 2082 3771 2991 10656 9059 1303 193 Arapahoe County 482089 33015 93992 39939 153709 117093 370630 337373 44341 4198 Archuleta County 9604 733 2066 514 2496 2696 7160 6546 1099 68 Baca County 4319 241 776 221 938 1160 3436 3201 983 137 Bent County 5799 311 1177 448 1505 1392 4569 4075 966 133 Boulder County 273112 17540 45424 37126 87854 62071 217501 192574 23097 3109 Chaffee County 15601 745 2686 1189 4015 4292 12624 11643 2674 303 Cheyenne County 2229 182 503 131 569 476 1630 1485 368 54 Clear Creek County 9167 558 1762 512 3156 2569 7123 6586 610 55 Conejos County 8077 676 2105 575 1746 1848 5626 4992 1127 152 Costilla County 3575 273 766 269 777 926 2636 2415 564 91 Crowley County 4428 259 755 386 1498 1015 3511 3282 515 83 Custer County 3596 181 746 130 838 1259 2810 2589 442 52 Delta County 27197 1440 5194 1667 6001 7790 21441 19772 5105 660 Denver County 499775 37158 80566 48606 158340 115623 394754 361124 59482 8581 Dolores County 1876 109 386 119 426 569 1448 1324 267 28 Douglas County 156860 13389 34672 8835 56359 38396 114059 104131 5209 445 Eagle County 34950 3098 6267 3605 14681 6096 26428 24372 1203 82 Elbert County 19757 1265 4801 1065 6409 5130 14446 13087 1087 133 El Paso County 499994 38013 98845 57474 149086 112449 379124 337466 44127 4667 Fremont County 44699 2114 7372 3606 13629 11667 36491 33671 6311 886 Garfield County 40671 3030 8212 3452 12783 9461 30625 27749 3733 436 Gilpin County 4474 260 829 217 1730 1244 3514 3271 194 20 Grand County 10474 614 2032 851 3505 2588 8168 7498 884 64 Gunnison County 12576 761 1909 2719 3753 2605 10207 8369 829 100 Hinsdale County 740 20 102 34 222 237 629 605 125 8 Huerfano County 6802 402 1400 399 1451 1886 5232 4791 1264 175 Jackson County 1540 95 279 110 398 461 1212 1117 197 34 Jefferson County 509222 33607 95195 40351 154153 131245 396501 361269 54671 5589 Kiowa County 1634 89 382 71 394 421 1220 1127 277 42 Kit Carson County 7411 519 1606 421 1761 1962 5537 5086 1142 141 Lake County 6385 531 1296 634 1944 1514 4760 4258 466 29 La Plata County 41148 2617 7954 5510 11646 9545 31767 27577 3876 447 Larimer County 236849 15837 44296 31593 69531 52030 183811 161484 23562 2957 Las Animas County 14712 957 2928 1211 3307 3705 11344 10144 2604 408 Lincoln County 5672 311 924 465 1639 1495 4597 4248 838 128 Logan County 17932 1083 3522 1652 4125 4634 13916 12319 2916 424 Mesa County 115147 7281 22906 9689 28967 29095 88746 79862 17209 2006 Mineral County 727 52 86 27 180 221 600 574 161 13 Moffat County 12714 949 3017 835 3614 3030 9206 8333 1269 143 Montezuma County 22672 1635 5117 1487 5521 5760 16689 15180 3152 338 Montrose County 31432 1864 6582 1864 7417 8832 23986 22060 4873 492 Morgan County 25393 2095 5648 2011 6134 6151 18511 16697 3354 536 Otero County 20612 1502 4546 1663 4569 5096 15303 13635 3236 497 Ouray County 3475 172 645 140 908 1177 2747 2586 433 38 Park County 14218 836 2958 588 4829 4118 10830 10085 889 53 Phillips County 4226 244 847 216 931 1156 3291 3035 832 149 Pitkin County 13332 669 1501 1177 5622 3458 11399 10880 905 62 Prowers County 13781 1074 3239 1142 3373 3180 9974 8872 1773 233 Pueblo County 136987 9306 27349 12034 33694 33775 104856 94260 20829 2431 Rio Blanco County 6203 392 1382 583 1610 1571 4678 4082 665 80 Rio Grande County 11508 899 2619 839 2677 2795 8421 7574 1679 249 Routt County 17941 1158 3393 1851 6848 3738 13863 12523 953 85 Saguache County 6176 541 1529 497 1637 1385 4321 3861 587 74 San Juan County 522 28 128 33 168 122 391 351 43 0 San Miguel County 5464 349 893 497 2317 1210 4352 4065 198 15 Sedgwick County 2587 109 492 131 541 722 2066 1924 592 79 Summit County 19610 1358 2777 2576 8564 3601 15900 14682 734 27 Teller County 21228 1417 4564 1051 7100 5601 15955 14669 1495 104 Washington County 4357 245 867 243 937 1230 3385 3134 835 113 Weld County 165805 12974 35182 20734 44229 37167 123214 107298 15519 1993 Yuma County 9430 561 2098 546 2179 2496 7118 6501 1550 233 The estimates presented here were produced by a method which is still in a developmental stage. They may not be accurate for populations which are very small or have unusual distributions. These figures should be used with caution.