Deer Lodge 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 | 15,652 | - | - |
- | - | - | - |
| 1971 | 15,800 | 0.9 | 148 |
- | - | - | - |
| 1972 | 15,900 | 0.6 | 100 |
- | - | - | - |
| 1973 | 15,400 | -3.1 | -500 |
- | - | - | - |
| 1974 | 15,200 | -1.3 | -200 |
- | - | - | - |
| 1975 | 15,100 | -0.7 | -100 |
- | - | - | - |
| 1976 | 14,600 | -3.3 | -500 |
- | - | - | - |
| 1977 | 14,300 | -2.1 | -300 |
- | - | - | - |
| 1978 | 13,500 | -5.6 | -800 |
- | - | - | - |
| 1979 | 12,900 | -4.4 | -600 |
- | - | - | - |
| 1980 | 12,518 | -3.0 | -382 |
- | - | - | - |
| 1981 | 11,664 | -6.8 | -854 |
176 | 199 | - | - |
| 1982 | 11,386 | -2.4 | -278 |
134 | 148 | - | - |
| 1983 | 11,211 | -1.5 | -175 |
137 | 138 | - | - |
| 1984 | 11,019 | -1.7 | -192 |
122 | 146 | - | - |
| 1985 | 10,937 | -0.7 | -82 |
130 | 144 | - | - |
| 1986 | 10,678 | -2.4 | -259 |
134 | 139 | - | - |
| 1987 | 10,517 | -1.5 | -161 |
132 | 145 | - | - |
| 1988 | 10,411 | -1.0 | -106 |
127 | 139 | - | - |
| 1989 | 10,371 | -0.4 | -40 |
112 | 134 | - | - |
| 1990 | 10,356 | -0.1 | -15 |
82 | 104 | - | - |
| 1991 | 10,164 | -1.9 | -192 |
149 | 162 | -1 | -144 |
| 1992 | 10,049 | -1.1 | -115 |
113 | 130 | -1 | -77 |
| 1993 | 10,076 | 0.3 | 27 |
88 | 151 | 2 | 121 |
| 1994 | 10,102 | 0.3 | 26 |
108 | 124 | -2 | 76 |
| 1995 | 10,070 | -0.3 | -32 |
79 | 134 | -2 | 54 |
| 1996 | 9,899 | -1.7 | -171 |
107 | 139 | 2 | -118 |
| 1997 | 9,834 | -0.7 | -65 |
106 | 130 | 1 | -13 |
| 1998 | 9,779 | -0.6 | -55 |
94 | 130 | -1 | -1 |
| 1999 | 9,529 | -2.6 | -250 |
105 | 134 | -2 | -215 |
| 2000 | 9,417 | -1.2 | -112 |
- | - | - | - |
| 2001 | 9,225 | -2.0 | -192 |
105 | 156 | -1 | -131 |
| 2002 | 9,101 | -1.3 | -124 |
92 | 142 | -1 | -67 |
| 2003 | 8,990 | -1.2 | -111 |
68 | 115 | -3 | -53 |
| 2004 | 9,013 | 0.3 | 23 |
86 | 135 | 1 | 79 |
| 2005 | 9,005 | -0.1 | -8 |
83 | 131 | -1 | 48 |
| 2006 | 8,850 | -1.7 | -155 |
64 | 109 | 0 | -107 |
| 2007 | 8,852 | 0.0 | 2 |
80 | 117 | -1 | 40 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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