Stillwater 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 | 4,632 | - | - |
- | - | - | - |
| 1971 | 4,800 | 3.6 | 168 |
- | - | - | - |
| 1972 | 4,900 | 2.1 | 100 |
- | - | - | - |
| 1973 | 4,800 | -2.0 | -100 |
- | - | - | - |
| 1974 | 5,000 | 4.2 | 200 |
- | - | - | - |
| 1975 | 5,100 | 2.0 | 100 |
- | - | - | - |
| 1976 | 5,100 | 0.0 | 0 |
- | - | - | - |
| 1977 | 5,200 | 2.0 | 100 |
- | - | - | - |
| 1978 | 5,600 | 7.7 | 400 |
- | - | - | - |
| 1979 | 5,800 | 3.6 | 200 |
- | - | - | - |
| 1980 | 5,598 | -3.5 | -202 |
- | - | - | - |
| 1981 | 5,721 | 2.2 | 123 |
104 | 84 | - | - |
| 1982 | 5,819 | 1.7 | 98 |
89 | 68 | - | - |
| 1983 | 5,885 | 1.1 | 66 |
81 | 68 | - | - |
| 1984 | 5,910 | 0.4 | 25 |
67 | 71 | - | - |
| 1985 | 5,928 | 0.3 | 18 |
67 | 74 | - | - |
| 1986 | 5,987 | 1.0 | 59 |
69 | 70 | - | - |
| 1987 | 6,208 | 3.7 | 221 |
72 | 50 | - | - |
| 1988 | 6,317 | 1.8 | 109 |
72 | 53 | - | - |
| 1989 | 6,398 | 1.3 | 81 |
72 | 64 | - | - |
| 1990 | 6,536 | 2.2 | 138 |
54 | 47 | - | - |
| 1991 | 6,703 | 2.6 | 167 |
109 | 74 | 5 | 152 |
| 1992 | 6,734 | 0.5 | 31 |
81 | 69 | 2 | 38 |
| 1993 | 6,935 | 3.0 | 201 |
75 | 72 | 1 | 225 |
| 1994 | 7,133 | 2.9 | 198 |
98 | 86 | 6 | 211 |
| 1995 | 7,336 | 2.8 | 203 |
70 | 69 | 4 | 222 |
| 1996 | 7,477 | 1.9 | 141 |
81 | 70 | 1 | 151 |
| 1997 | 7,710 | 3.1 | 233 |
87 | 57 | 1 | 228 |
| 1998 | 7,887 | 2.3 | 177 |
84 | 58 | 5 | 174 |
| 1999 | 8,100 | 2.7 | 213 |
87 | 59 | 6 | 213 |
| 2000 | 8,195 | 1.2 | 95 |
- | - | - | - |
| 2001 | 8,337 | 1.7 | 142 |
115 | 91 | 4 | 120 |
| 2002 | 8,361 | 0.3 | 24 |
95 | 68 | 4 | 1 |
| 2003 | 8,342 | -0.2 | -19 |
84 | 62 | 2 | -33 |
| 2004 | 8,303 | -0.5 | -39 |
95 | 63 | 1 | -65 |
| 2005 | 8,319 | 0.2 | 16 |
105 | 80 | 2 | -2 |
| 2006 | 8,472 | 1.8 | 153 |
104 | 78 | 1 | 130 |
| 2007 | 8,630 | 1.9 | 158 |
101 | 59 | 1 | 114 |
| 2008 | 8,687 | 0.7 | 57 |
105 | 72 | 0 | 18 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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