Valley 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 | 11,471 | - | - |
- | - | - | - |
| 1971 | 11,700 | 2.0 | 229 |
- | - | - | - |
| 1972 | 11,700 | 0.0 | 0 |
- | - | - | - |
| 1973 | 12,800 | 9.4 | 1,100 |
- | - | - | - |
| 1974 | 12,700 | -0.8 | -100 |
- | - | - | - |
| 1975 | 12,700 | 0.0 | 0 |
- | - | - | - |
| 1976 | 12,600 | -0.8 | -100 |
- | - | - | - |
| 1977 | 12,000 | -4.8 | -600 |
- | - | - | - |
| 1978 | 11,400 | -5.0 | -600 |
- | - | - | - |
| 1979 | 10,800 | -5.3 | -600 |
- | - | - | - |
| 1980 | 10,250 | -5.1 | -550 |
- | - | - | - |
| 1981 | 9,765 | -4.7 | -485 |
234 | 108 | - | - |
| 1982 | 9,696 | -0.7 | -69 |
171 | 89 | - | - |
| 1983 | 9,506 | -2.0 | -190 |
161 | 89 | - | - |
| 1984 | 9,398 | -1.1 | -108 |
149 | 88 | - | - |
| 1985 | 9,304 | -1.0 | -94 |
141 | 90 | - | - |
| 1986 | 8,947 | -3.8 | -357 |
134 | 82 | - | - |
| 1987 | 8,726 | -2.5 | -221 |
120 | 73 | - | - |
| 1988 | 8,571 | -1.8 | -155 |
108 | 79 | - | - |
| 1989 | 8,449 | -1.4 | -122 |
103 | 81 | - | - |
| 1990 | 8,239 | -2.5 | -210 |
78 | 57 | - | - |
| 1991 | 8,123 | -1.4 | -116 |
125 | 112 | 0 | -89 |
| 1992 | 8,132 | 0.1 | 9 |
103 | 88 | -1 | 32 |
| 1993 | 8,226 | 1.2 | 94 |
110 | 91 | 0 | 111 |
| 1994 | 8,149 | -0.9 | -77 |
107 | 104 | 1 | -43 |
| 1995 | 8,193 | 0.5 | 44 |
91 | 95 | 0 | 86 |
| 1996 | 8,117 | -0.9 | -76 |
96 | 95 | 8 | -51 |
| 1997 | 8,092 | -0.3 | -25 |
110 | 93 | 4 | -12 |
| 1998 | 7,970 | -1.5 | -122 |
105 | 90 | 0 | -106 |
| 1999 | 7,792 | -2.2 | -178 |
110 | 96 | -2 | -116 |
| 2000 | 7,675 | -1.5 | -117 |
- | - | - | - |
| 2001 | 7,508 | -2.2 | -167 |
116 | 98 | 2 | -179 |
| 2002 | 7,373 | -1.8 | -135 |
90 | 117 | 2 | -108 |
| 2003 | 7,224 | -2.0 | -149 |
81 | 96 | 1 | -131 |
| 2004 | 7,161 | -0.9 | -63 |
81 | 103 | 2 | -39 |
| 2005 | 7,045 | -1.6 | -116 |
69 | 87 | 2 | -97 |
| 2006 | 6,933 | -1.6 | -112 |
85 | 56 | 2 | -140 |
| 2007 | 6,899 | -0.5 | -34 |
78 | 91 | 2 | -17 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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