Glacier County, MT Population and Components of Change
| Date |
Population |
% Change |
Components of Change |
Total Population Change |
Births |
Deaths |
Inter- national Immigra- tion |
Net Domestic Migration |
| 1970 | 10,783 | - | - |
- | - | - | - |
| 1971 | 10,900 | 1.1 | 117 |
- | - | - | - |
| 1972 | 10,700 | -1.8 | -200 |
- | - | - | - |
| 1973 | 11,000 | 2.8 | 300 |
- | - | - | - |
| 1974 | 10,800 | -1.8 | -200 |
- | - | - | - |
| 1975 | 10,500 | -2.8 | -300 |
- | - | - | - |
| 1976 | 10,200 | -2.9 | -300 |
- | - | - | - |
| 1977 | 10,100 | -1.0 | -100 |
- | - | - | - |
| 1978 | 10,600 | 5.0 | 500 |
- | - | - | - |
| 1979 | 10,400 | -1.9 | -200 |
- | - | - | - |
| 1980 | 10,628 | 2.2 | 228 |
- | - | - | - |
| 1981 | 10,464 | -1.5 | -164 |
363 | 132 | - | - |
| 1982 | 10,817 | 3.4 | 353 |
318 | 108 | - | - |
| 1983 | 11,239 | 3.9 | 422 |
341 | 120 | - | - |
| 1984 | 11,628 | 3.5 | 389 |
332 | 111 | - | - |
| 1985 | 11,645 | 0.1 | 17 |
334 | 105 | - | - |
| 1986 | 11,626 | -0.2 | -19 |
315 | 109 | - | - |
| 1987 | 11,764 | 1.2 | 138 |
315 | 110 | - | - |
| 1988 | 11,861 | 0.8 | 97 |
301 | 107 | - | - |
| 1989 | 12,034 | 1.5 | 173 |
297 | 97 | - | - |
| 1990 | 12,121 | 0.7 | 87 |
236 | 70 | - | - |
| 1991 | 12,121 | 0.0 | 0 |
324 | 123 | -2 | -286 |
| 1992 | 12,333 | 1.7 | 212 |
256 | 95 | 8 | -28 |
| 1993 | 12,487 | 1.2 | 154 |
257 | 93 | 4 | -86 |
| 1994 | 12,706 | 1.8 | 219 |
233 | 86 | 2 | -5 |
| 1995 | 12,926 | 1.7 | 220 |
229 | 114 | 6 | 25 |
| 1996 | 13,129 | 1.6 | 203 |
213 | 113 | 7 | 16 |
| 1997 | 13,185 | 0.4 | 56 |
240 | 123 | 10 | -146 |
| 1998 | 13,169 | -0.1 | -16 |
226 | 130 | 6 | -184 |
| 1999 | 13,280 | 0.8 | 111 |
232 | 138 | 1 | -32 |
| 2000 | 13,247 | -0.2 | -33 |
- | - | - | - |
| 2001 | 13,139 | -0.8 | -108 |
289 | 143 | 7 | -253 |
| 2002 | 13,169 | 0.2 | 30 |
253 | 115 | 7 | -107 |
| 2003 | 13,260 | 0.7 | 91 |
275 | 92 | 7 | -83 |
| 2004 | 13,518 | 1.9 | 258 |
273 | 107 | 6 | 96 |
| 2005 | 13,417 | -0.7 | -101 |
255 | 135 | 7 | -220 |
| 2006 | 13,423 | 0.0 | 6 |
257 | 76 | 6 | -177 |
| 2007 | 13,382 | -0.3 | -41 |
276 | 127 | 7 | -190 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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