(CO-99-2) County Population Estimates for July 1, 1999 and Population Change for April 1, 1990 to July 1, 1999 (includes revised April 1, 1990 Population Estimates Base) 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 4/1/90 Numeric Percent Population Population Population 7/1/99 Estimates Change Change FIPS State/County Code and Area Name Estimate Base 1990-99 1990-99 30 Montana............................ 882,779 799,065 83,714 10.5 30001 Beaverhead County, MT.............. 8,790 8,424 366 4.3 30003 Big Horn County, MT................ 12,573 11,337 1,236 10.9 30005 Blaine County, MT.................. 7,074 6,728 346 5.1 30007 Broadwater County, MT.............. 4,167 3,318 849 25.6 30009 Carbon County, MT.................. 9,543 8,080 1,463 18.1 30011 Carter County, MT.................. 1,454 1,503 -49 -3.3 30013 Cascade County, MT................. 78,282 77,691 591 0.8 30015 Chouteau County, MT................ 5,066 5,452 -386 -7.1 30017 Custer County, MT.................. 11,837 11,697 140 1.2 30019 Daniels County, MT................. 1,963 2,266 -303 -13.4 30021 Dawson County, MT.................. 8,670 9,505 -835 -8.8 30023 Deer Lodge County, MT.............. 9,721 10,356 -635 -6.1 30025 Fallon County, MT.................. 2,885 3,103 -218 -7.0 30027 Fergus County, MT.................. 12,180 12,083 97 0.8 30029 Flathead County, MT................ 72,773 59,218 13,555 22.9 30031 Gallatin County, MT................ 63,881 50,484 13,397 26.5 30033 Garfield County, MT................ 1,420 1,589 -169 -10.6 30035 Glacier County, MT................. 12,603 12,121 482 4.0 30037 Golden Valley County, MT........... 1,049 912 137 15.0 30039 Granite County, MT................. 2,662 2,548 114 4.5 30041 Hill County, MT.................... 17,050 17,654 -604 -3.4 30043 Jefferson County, MT............... 10,367 7,939 2,428 30.6 30045 Judith Basin County, MT............ 2,284 2,282 2 0.1 30047 Lake County, MT.................... 25,885 21,041 4,844 23.0 30049 Lewis and Clark County, MT......... 54,075 47,495 6,580 13.9 30051 Liberty County, MT................. 2,253 2,295 -42 -1.8 30053 Lincoln County, MT................. 18,819 17,481 1,338 7.7 30055 McCone County, MT.................. 1,924 2,276 -352 -15.5 30057 Madison County, MT................. 6,927 5,989 938 15.7 30059 Meagher County, MT................. 1,777 1,819 -42 -2.3 30061 Mineral County, MT................. 3,867 3,315 552 16.7 30063 Missoula County, MT................ 89,344 78,687 10,657 13.5 30065 Musselshell County, MT............. 4,552 4,106 446 10.9 30067 Park County, MT.................... 15,982 14,515 1,467 10.1 30069 Petroleum County, MT............... 506 519 -13 -2.5 30071 Phillips County, MT................ 4,692 5,163 -471 -9.1 30073 Pondera County, MT................. 6,244 6,433 -189 -2.9 30075 Powder River County, MT............ 1,777 2,090 -313 -15.0 30077 Powell County, MT.................. 6,945 6,620 325 4.9 30079 Prairie County, MT................. 1,360 1,383 -23 -1.7 30081 Ravalli County, MT................. 35,811 25,010 10,801 43.2 30083 Richland County, MT................ 10,053 10,716 -663 -6.2 30085 Roosevelt County, MT............... 10,912 10,999 -87 -0.8 30087 Rosebud County, MT................. 9,869 10,505 -636 -6.1 30089 Sanders County, MT................. 10,233 8,669 1,564 18.0 30091 Sheridan County, MT................ 4,100 4,732 -632 -13.4 30093 Silver Bow County, MT.............. 33,954 33,941 13 0.0 30095 Stillwater County, MT.............. 8,328 6,536 1,792 27.4 30097 Sweet Grass County, MT............. 3,584 3,154 430 13.6 30099 Teton County, MT................... 6,432 6,271 161 2.6 30101 Toole County, MT................... 4,638 5,046 -408 -8.1 30103 Treasure County, MT................ 859 874 -15 -1.7 30105 Valley County, MT.................. 8,132 8,239 -107 -1.3 30107 Wheatland County, MT............... 2,276 2,246 30 1.3 30109 Wibaux County, MT.................. 1,117 1,191 -74 -6.2 30111 Yellowstone County, MT............. 127,258 113,419 13,839 12.2