Louisa 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 | 10,682 | - | - |
- | - | - | - |
| 1971 | 11,000 | 3.0 | 318 |
- | - | - | - |
| 1972 | 11,200 | 1.8 | 200 |
- | - | - | - |
| 1973 | 11,200 | 0.0 | 0 |
- | - | - | - |
| 1974 | 11,200 | 0.0 | 0 |
- | - | - | - |
| 1975 | 11,300 | 0.9 | 100 |
- | - | - | - |
| 1976 | 11,500 | 1.8 | 200 |
- | - | - | - |
| 1977 | 11,900 | 3.5 | 400 |
- | - | - | - |
| 1978 | 12,100 | 1.7 | 200 |
- | - | - | - |
| 1979 | 12,100 | 0.0 | 0 |
- | - | - | - |
| 1980 | 12,055 | -0.4 | -45 |
- | - | - | - |
| 1981 | 12,144 | 0.7 | 89 |
230 | 142 | - | - |
| 1982 | 12,006 | -1.1 | -138 |
190 | 121 | - | - |
| 1983 | 11,984 | -0.2 | -22 |
175 | 116 | - | - |
| 1984 | 11,998 | 0.1 | 14 |
167 | 107 | - | - |
| 1985 | 11,792 | -1.7 | -206 |
153 | 103 | - | - |
| 1986 | 11,625 | -1.4 | -167 |
145 | 110 | - | - |
| 1987 | 11,635 | 0.1 | 10 |
156 | 113 | - | - |
| 1988 | 11,636 | 0.0 | 1 |
154 | 122 | - | - |
| 1989 | 11,567 | -0.6 | -69 |
145 | 120 | - | - |
| 1990 | 11,592 | 0.2 | 25 |
112 | 77 | - | - |
| 1991 | 11,644 | 0.4 | 52 |
193 | 131 | 5 | -37 |
| 1992 | 11,479 | -1.4 | -165 |
149 | 120 | 6 | -216 |
| 1993 | 11,822 | 3.0 | 343 |
157 | 116 | 6 | 280 |
| 1994 | 11,850 | 0.2 | 28 |
184 | 139 | 20 | -54 |
| 1995 | 11,939 | 0.8 | 89 |
158 | 125 | 21 | 21 |
| 1996 | 12,087 | 1.2 | 148 |
179 | 119 | 39 | 33 |
| 1997 | 12,050 | -0.3 | -37 |
169 | 104 | 38 | -152 |
| 1998 | 12,114 | 0.5 | 64 |
177 | 113 | 42 | -63 |
| 1999 | 12,174 | 0.5 | 60 |
169 | 106 | 34 | -85 |
| 2000 | 12,183 | 0.1 | 9 |
- | - | - | - |
| 2001 | 12,171 | -0.1 | -12 |
220 | 145 | 39 | -115 |
| 2002 | 12,205 | 0.3 | 34 |
166 | 102 | 35 | -56 |
| 2003 | 12,194 | -0.1 | -11 |
171 | 104 | 33 | -98 |
| 2004 | 12,071 | -1.0 | -123 |
140 | 117 | 25 | -159 |
| 2005 | 11,799 | -2.3 | -272 |
156 | 121 | 27 | -328 |
| 2006 | 11,793 | -0.1 | -6 |
140 | 113 | 26 | -55 |
| 2007 | 11,795 | 0.0 | 2 |
140 | 119 | 27 | -42 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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