Sac County, IA
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 15,573 | - | - |
- | - | - | - |
| 1971 | 15,500 | -0.5 | -73 |
- | - | - | - |
| 1972 | 15,300 | -1.3 | -200 |
- | - | - | - |
| 1973 | 15,200 | -0.7 | -100 |
- | - | - | - |
| 1974 | 15,000 | -1.3 | -200 |
- | - | - | - |
| 1975 | 14,900 | -0.7 | -100 |
- | - | - | - |
| 1976 | 15,000 | 0.7 | 100 |
- | - | - | - |
| 1977 | 14,800 | -1.3 | -200 |
- | - | - | - |
| 1978 | 14,600 | -1.4 | -200 |
- | - | - | - |
| 1979 | 14,300 | -2.1 | -300 |
- | - | - | - |
| 1980 | 14,118 | -1.3 | -182 |
- | - | - | - |
| 1981 | 14,012 | -0.8 | -106 |
294 | 197 | - | - |
| 1982 | 13,740 | -1.9 | -272 |
209 | 181 | - | - |
| 1983 | 13,456 | -2.1 | -284 |
179 | 183 | - | - |
| 1984 | 13,277 | -1.3 | -179 |
179 | 173 | - | - |
| 1985 | 13,077 | -1.5 | -200 |
180 | 172 | - | - |
| 1986 | 12,746 | -2.5 | -331 |
165 | 174 | - | - |
| 1987 | 12,557 | -1.5 | -189 |
151 | 170 | - | - |
| 1988 | 12,380 | -1.4 | -177 |
146 | 167 | - | - |
| 1989 | 12,350 | -0.2 | -30 |
148 | 171 | - | - |
| 1990 | 12,324 | -0.2 | -26 |
115 | 133 | - | - |
| 1991 | 12,156 | -1.4 | -168 |
160 | 193 | 1 | -119 |
| 1992 | 12,152 | 0.0 | -4 |
149 | 154 | 3 | 9 |
| 1993 | 12,036 | -1.0 | -116 |
129 | 164 | 1 | -73 |
| 1994 | 12,090 | 0.4 | 54 |
137 | 171 | -1 | 99 |
| 1995 | 12,003 | -0.7 | -87 |
138 | 164 | 3 | -56 |
| 1996 | 11,968 | -0.3 | -35 |
150 | 160 | 2 | -19 |
| 1997 | 11,882 | -0.7 | -86 |
140 | 181 | 4 | -41 |
| 1998 | 11,852 | -0.3 | -30 |
134 | 172 | 4 | 16 |
| 1999 | 11,686 | -1.4 | -166 |
141 | 185 | 0 | -88 |
| 2000 | 11,529 | -1.3 | -157 |
- | - | - | - |
| 2001 | 11,362 | -1.4 | -167 |
151 | 190 | 7 | -124 |
| 2002 | 11,048 | -2.8 | -314 |
94 | 160 | 6 | -248 |
| 2003 | 10,862 | -1.7 | -186 |
100 | 151 | 5 | -134 |
| 2004 | 10,739 | -1.1 | -123 |
116 | 156 | 7 | -84 |
| 2005 | 10,553 | -1.7 | -186 |
124 | 141 | 5 | -166 |
| 2006 | 10,559 | 0.1 | 6 |
119 | 142 | 6 | 26 |
| 2007 | 10,385 | -1.6 | -174 |
124 | 158 | 6 | -148 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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