Decatur 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 | 9,737 | - | - |
- | - | - | - |
| 1971 | 9,700 | -0.4 | -37 |
- | - | - | - |
| 1972 | 9,800 | 1.0 | 100 |
- | - | - | - |
| 1973 | 9,600 | -2.0 | -200 |
- | - | - | - |
| 1974 | 9,700 | 1.0 | 100 |
- | - | - | - |
| 1975 | 9,900 | 2.1 | 200 |
- | - | - | - |
| 1976 | 9,900 | 0.0 | 0 |
- | - | - | - |
| 1977 | 10,000 | 1.0 | 100 |
- | - | - | - |
| 1978 | 9,800 | -2.0 | -200 |
- | - | - | - |
| 1979 | 9,800 | 0.0 | 0 |
- | - | - | - |
| 1980 | 9,794 | -0.1 | -6 |
- | - | - | - |
| 1981 | 9,748 | -0.5 | -46 |
159 | 138 | - | - |
| 1982 | 9,583 | -1.7 | -165 |
131 | 117 | - | - |
| 1983 | 9,280 | -3.2 | -303 |
122 | 139 | - | - |
| 1984 | 9,097 | -2.0 | -183 |
110 | 116 | - | - |
| 1985 | 8,911 | -2.0 | -186 |
109 | 106 | - | - |
| 1986 | 8,779 | -1.5 | -132 |
101 | 120 | - | - |
| 1987 | 8,558 | -2.5 | -221 |
103 | 112 | - | - |
| 1988 | 8,463 | -1.1 | -95 |
104 | 102 | - | - |
| 1989 | 8,490 | 0.3 | 27 |
99 | 102 | - | - |
| 1990 | 8,338 | -1.8 | -152 |
74 | 79 | - | - |
| 1991 | 8,185 | -1.8 | -153 |
104 | 150 | 1 | -151 |
| 1992 | 8,219 | 0.4 | 34 |
103 | 120 | -1 | 18 |
| 1993 | 8,163 | -0.7 | -56 |
86 | 134 | 6 | -43 |
| 1994 | 8,290 | 1.6 | 127 |
102 | 114 | -2 | 105 |
| 1995 | 8,468 | 2.1 | 178 |
98 | 95 | 4 | 132 |
| 1996 | 8,459 | -0.1 | -9 |
99 | 110 | 1 | -29 |
| 1997 | 8,416 | -0.5 | -43 |
105 | 115 | -1 | -64 |
| 1998 | 8,538 | 1.4 | 122 |
100 | 119 | 0 | 110 |
| 1999 | 8,646 | 1.3 | 108 |
105 | 117 | 0 | 90 |
| 2000 | 8,689 | 0.5 | 43 |
- | - | - | - |
| 2001 | 8,658 | -0.4 | -31 |
113 | 117 | 10 | -29 |
| 2002 | 8,555 | -1.2 | -103 |
75 | 93 | 8 | -89 |
| 2003 | 8,484 | -0.8 | -71 |
100 | 102 | 7 | -70 |
| 2004 | 8,470 | -0.2 | -14 |
89 | 90 | 6 | -15 |
| 2005 | 8,480 | 0.1 | 10 |
110 | 80 | 6 | -20 |
| 2006 | 8,423 | -0.7 | -57 |
98 | 86 | 6 | -72 |
| 2007 | 8,409 | -0.2 | -14 |
104 | 86 | 6 | -39 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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