Percent Change in Population, 2000-10
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The table is sorted in ascending order by population change 2000-2010 . Click a column title to sort by that column; click again to reverse the sort.
FIPS 1 County name RUC code 2 Pop. 1990 Pop. 2000 Pop. 2010 Change 1990-2000 Change 2000-10 30091 Sheridan County 9 4,732 4,105 3,384 -13.3% -17.6% 30103 Treasure County 8 874 857 718 -1.5% -16.2% 30037 Golden Valley County 8 912 1,040 884 14.3% -15.0% 30011 Carter County 9 1,503 1,358 1,160 -9.5% -14.6% 30019 Daniels County 9 2,266 2,017 1,751 -11.0% -13.2% 30055 McCone County 9 2,276 1,971 1,734 -13.1% -12.0% 30045 Judith Basin County 8 2,282 2,326 2,072 2.1% -10.9% 30071 Phillips County 9 5,163 4,601 4,253 -10.9% -7.6% 30005 Blaine County 9 6,728 7,009 6,491 4.2% -7.4% 30075 Powder River County 9 2,090 1,858 1,743 -11.1% -6.2% 30099 Teton County 8 6,271 6,449 6,073 2.8% -5.8% 30033 Garfield County 9 1,589 1,279 1,206 -19.5% -5.7% 30109 Wibaux County 9 1,191 1,067 1,017 -10.3% -4.7% 30073 Pondera County 7 6,433 6,425 6,153 -0.1% -4.2% 30107 Wheatland County 9 2,246 2,259 2,168 0.6% -4.0% 30105 Valley County 7 8,239 7,673 7,369 -6.8% -4.0% 30041 Hill County 7 17,654 16,671 16,096 -5.6% -3.4% 30027 Fergus County 7 12,083 11,905 11,586 -1.6% -2.7% 30015 Chouteau County 8 5,452 5,962 5,813 9.5% -2.5% 30077 Powell County 7 6,620 7,185 7,027 8.5% -2.2% 30085 Roosevelt County 7 10,999 10,632 10,425 -3.4% -1.9% 30059 Meagher County 9 1,819 1,928 1,891 6.2% -1.9% 30079 Prairie County 9 1,383 1,199 1,179 -13.3% -1.7% 30087 Rosebud County 9 10,505 9,389 9,233 -10.7% -1.7% 30023 Deer Lodge County 7 10,356 9,416 9,298 -9.1% -1.3% 30093 Silver Bow County 5 33,941 34,625 34,200 2.0% -1.2% 30021 Dawson County 7 9,505 9,059 8,966 -4.7% -1.0% 30067 Park County 7 14,515 15,694 15,636 8.1% -0.4% 30017 Custer County 7 11,697 11,694 11,699 -0.0% 0.0% 30069 Petroleum County 9 519 493 494 -5.0% 0.2% 30001 Beaverhead County 7 8,424 9,192 9,246 9.2% 0.6% 30083 Richland County 7 10,716 9,666 9,746 -9.8% 0.8% 30065 Musselshell County 8 4,106 4,492 4,538 9.5% 1.0% 30035 Glacier County 7 12,121 13,240 13,399 9.3% 1.2% 30013 Cascade County 3 77,691 80,356 81,327 3.4% 1.2% 30101 Toole County 7 5,046 5,255 5,324 4.4% 1.3% 30097 Sweet Grass County 9 3,154 3,601 3,651 14.4% 1.4% 30003 Big Horn County 6 11,337 12,676 12,865 11.8% 1.5% 30025 Fallon County 9 3,103 2,835 2,890 -8.6% 1.9% 30053 Lincoln County 7 17,481 18,820 19,687 7.8% 4.6% 30009 Carbon County 3 8,080 9,545 10,078 18.2% 5.6% 30039 Granite County 8 2,548 2,841 3,079 11.1% 8.4% 30051 Liberty County 9 2,295 2,158 2,339 -6.0% 8.4% 30047 Lake County 6 21,041 26,482 28,746 26.0% 8.5% 30061 Mineral County 8 3,315 3,871 4,223 17.2% 9.1% 30095 Stillwater County 8 6,536 8,221 9,117 25.4% 10.9% 30081 Ravalli County 6 25,010 36,093 40,212 44.2% 11.4% 30089 Sanders County 8 8,669 10,238 11,413 18.0% 11.5% 30057 Madison County 9 5,989 6,848 7,691 14.4% 12.3% 30043 Jefferson County 9 7,939 10,034 11,406 26.6% 13.7% 30049 Lewis and Clark County 5 47,495 55,716 63,395 17.3% 13.8% 30063 Missoula County 3 78,687 95,803 109,299 21.8% 14.1% 30111 Yellowstone County 3 113,419 129,347 147,972 14.0% 14.4% 30029 Flathead County 5 59,218 74,507 90,928 25.8% 22.0% 30007 Broadwater County 9 3,318 4,380 5,612 32.2% 28.1% 30031 Gallatin County 5 50,484 67,837 89,513 34.4% 32.0%
Source: U.S. Census Bureau , 1990 and 2000 Censuses of Population (corrected), and 2010 county redistricting files .
1) The FIPS codes uniquely identify each county and are part of the Federal Information Processing Standards (FIPS) developed by the National Institute of Standards and Technology (NIST), U.S. Department of Commerce. For more information, see the NIST FIPS publication page.
2) The 2003 rural-urban continuum codes classify metropolitan counties (codes 1 through 3) by size of the Metropolitan Statistical Area (MSA), and nonmetropolitan counties (codes 4 through 9) by degree of urbanization and proximity to metro areas. See rural-urban continuum codes for precise definitions of each code.
Download the State- and county-level data in Excel format.
