(CO-99-1) County Population Estimates for July 1, 1999 and Population Change for July 1, 1998 to 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 Internet Release Date: March 9, 2000 Numeric Percent Population Population 7/1/99 7/1/98 Change Change FIPS State/County Code and Area Name Estimate Estimate 1998-99 1998-99 08 Colorado........................... 4,056,133 3,968,967 87,166 2.2 08001 Adams County, CO................... 331,045 323,427 7,618 2.4 08003 Alamosa County, CO................. 14,595 14,543 52 0.4 08005 Arapahoe County, CO................ 482,089 472,579 9,510 2.0 08007 Archuleta County, CO............... 9,604 9,154 450 4.9 08009 Baca County, CO.................... 4,319 4,327 -8 -0.2 08011 Bent County, CO.................... 5,799 5,798 1 0.0 08013 Boulder County, CO................. 273,112 266,671 6,441 2.4 08015 Chaffee County, CO................. 15,601 15,174 427 2.8 08017 Cheyenne County, CO................ 2,229 2,322 -93 -4.0 08019 Clear Creek County, CO............. 9,167 9,017 150 1.7 08021 Conejos County, CO................. 8,077 7,983 94 1.2 08023 Costilla County, CO................ 3,575 3,642 -67 -1.8 08025 Crowley County, CO................. 4,428 4,313 115 2.7 08027 Custer County, CO.................. 3,596 3,438 158 4.6 08029 Delta County, CO................... 27,197 26,633 564 2.1 08031 Denver County, CO.................. 499,775 498,402 1,373 0.3 08033 Dolores County, CO................. 1,876 1,821 55 3.0 08035 Douglas County, CO................. 156,860 141,449 15,411 10.9 08037 Eagle County, CO................... 34,950 33,709 1,241 3.7 08039 Elbert County, CO.................. 19,757 18,612 1,145 6.2 08041 El Paso County, CO................. 499,994 490,044 9,950 2.0 08043 Fremont County, CO................. 44,699 44,225 474 1.1 08045 Garfield County, CO................ 40,671 39,377 1,294 3.3 08047 Gilpin County, CO.................. 4,474 4,184 290 6.9 08049 Grand County, CO................... 10,474 10,099 375 3.7 08051 Gunnison County, CO................ 12,576 12,425 151 1.2 08053 Hinsdale County, CO................ 740 736 4 0.5 08055 Huerfano County, CO................ 6,802 6,789 13 0.2 08057 Jackson County, CO................. 1,540 1,521 19 1.2 08059 Jefferson County, CO............... 509,222 500,802 8,420 1.7 08061 Kiowa County, CO................... 1,634 1,647 -13 -0.8 08063 Kit Carson County, CO.............. 7,411 7,312 99 1.4 08065 Lake County, CO.................... 6,385 6,351 34 0.5 08067 La Plata County, CO................ 41,148 40,519 629 1.6 08069 Larimer County, CO................. 236,849 231,104 5,745 2.5 08071 Las Animas County, CO.............. 14,712 14,547 165 1.1 08073 Lincoln County, CO................. 5,672 5,686 -14 -0.2 08075 Logan County, CO................... 17,932 17,897 35 0.2 08077 Mesa County, CO.................... 115,147 112,899 2,248 2.0 08079 Mineral County, CO................. 727 703 24 3.4 08081 Moffat County, CO.................. 12,714 12,564 150 1.2 08083 Montezuma County, CO............... 22,672 22,365 307 1.4 08085 Montrose County, CO................ 31,432 30,790 642 2.1 08087 Morgan County, CO.................. 25,393 25,088 305 1.2 08089 Otero County, CO................... 20,612 20,665 -53 -0.3 08091 Ouray County, CO................... 3,475 3,318 157 4.7 08093 Park County, CO.................... 14,218 13,403 815 6.1 08095 Phillips County, CO................ 4,226 4,301 -75 -1.7 08097 Pitkin County, CO.................. 13,332 13,345 -13 -0.1 08099 Prowers County, CO................. 13,781 13,704 77 0.6 08101 Pueblo County, CO.................. 136,987 134,919 2,068 1.5 08103 Rio Blanco County, CO.............. 6,203 6,263 -60 -1.0 08105 Rio Grande County, CO.............. 11,508 11,473 35 0.3 08107 Routt County, CO................... 17,941 17,490 451 2.6 08109 Saguache County, CO................ 6,176 6,050 126 2.1 08111 San Juan County, CO................ 522 526 -4 -0.8 08113 San Miguel County, CO.............. 5,464 5,448 16 0.3 08115 Sedgwick County, CO................ 2,587 2,553 34 1.3 08117 Summit County, CO.................. 19,610 18,781 829 4.4 08119 Teller County, CO.................. 21,228 20,553 675 3.3 08121 Washington County, CO.............. 4,357 4,550 -193 -4.2 08123 Weld County, CO.................... 165,805 159,501 6,304 4.0 08125 Yuma County, CO.................... 9,430 9,436 -6 -0.1