(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 30 Montana............................ 882,779 879,533 3,246 0.4 30001 Beaverhead County, MT.............. 8,790 8,809 -19 -0.2 30003 Big Horn County, MT................ 12,573 12,597 -24 -0.2 30005 Blaine County, MT.................. 7,074 7,090 -16 -0.2 30007 Broadwater County, MT.............. 4,167 4,131 36 0.9 30009 Carbon County, MT.................. 9,543 9,402 141 1.5 30011 Carter County, MT.................. 1,454 1,512 -58 -3.8 30013 Cascade County, MT................. 78,282 78,558 -276 -0.4 30015 Chouteau County, MT................ 5,066 5,187 -121 -2.3 30017 Custer County, MT.................. 11,837 12,046 -209 -1.7 30019 Daniels County, MT................. 1,963 1,996 -33 -1.7 30021 Dawson County, MT.................. 8,670 8,812 -142 -1.6 30023 Deer Lodge County, MT.............. 9,721 9,961 -240 -2.4 30025 Fallon County, MT.................. 2,885 2,957 -72 -2.4 30027 Fergus County, MT.................. 12,180 12,276 -96 -0.8 30029 Flathead County, MT................ 72,773 71,888 885 1.2 30031 Gallatin County, MT................ 63,881 62,561 1,320 2.1 30033 Garfield County, MT................ 1,420 1,412 8 0.6 30035 Glacier County, MT................. 12,603 12,542 61 0.5 30037 Golden Valley County, MT........... 1,049 1,033 16 1.5 30039 Granite County, MT................. 2,662 2,665 -3 -0.1 30041 Hill County, MT.................... 17,050 17,362 -312 -1.8 30043 Jefferson County, MT............... 10,367 10,118 249 2.5 30045 Judith Basin County, MT............ 2,284 2,294 -10 -0.4 30047 Lake County, MT.................... 25,885 25,557 328 1.3 30049 Lewis and Clark County, MT......... 54,075 53,587 488 0.9 30051 Liberty County, MT................. 2,253 2,313 -60 -2.6 30053 Lincoln County, MT................. 18,819 18,717 102 0.5 30055 McCone County, MT.................. 1,924 1,961 -37 -1.9 30057 Madison County, MT................. 6,927 6,889 38 0.6 30059 Meagher County, MT................. 1,777 1,794 -17 -0.9 30061 Mineral County, MT................. 3,867 3,781 86 2.3 30063 Missoula County, MT................ 89,344 88,907 437 0.5 30065 Musselshell County, MT............. 4,552 4,572 -20 -0.4 30067 Park County, MT.................... 15,982 15,795 187 1.2 30069 Petroleum County, MT............... 506 509 -3 -0.6 30071 Phillips County, MT................ 4,692 4,797 -105 -2.2 30073 Pondera County, MT................. 6,244 6,350 -106 -1.7 30075 Powder River County, MT............ 1,777 1,804 -27 -1.5 30077 Powell County, MT.................. 6,945 7,004 -59 -0.8 30079 Prairie County, MT................. 1,360 1,352 8 0.6 30081 Ravalli County, MT................. 35,811 35,114 697 2.0 30083 Richland County, MT................ 10,053 10,161 -108 -1.1 30085 Roosevelt County, MT............... 10,912 10,997 -85 -0.8 30087 Rosebud County, MT................. 9,869 10,010 -141 -1.4 30089 Sanders County, MT................. 10,233 10,185 48 0.5 30091 Sheridan County, MT................ 4,100 4,244 -144 -3.4 30093 Silver Bow County, MT.............. 33,954 34,540 -586 -1.7 30095 Stillwater County, MT.............. 8,328 8,076 252 3.1 30097 Sweet Grass County, MT............. 3,584 3,391 193 5.7 30099 Teton County, MT................... 6,432 6,349 83 1.3 30101 Toole County, MT................... 4,638 4,738 -100 -2.1 30103 Treasure County, MT................ 859 876 -17 -1.9 30105 Valley County, MT.................. 8,132 8,233 -101 -1.2 30107 Wheatland County, MT............... 2,276 2,345 -69 -2.9 30109 Wibaux County, MT.................. 1,117 1,139 -22 -1.9 30111 Yellowstone County, MT............. 127,258 126,237 1,021 0.8