Lyon 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 | 13,340 | - | - |
- | - | - | - |
| 1971 | 13,000 | -2.5 | -340 |
- | - | - | - |
| 1972 | 13,100 | 0.8 | 100 |
- | - | - | - |
| 1973 | 13,400 | 2.3 | 300 |
- | - | - | - |
| 1974 | 13,200 | -1.5 | -200 |
- | - | - | - |
| 1975 | 13,100 | -0.8 | -100 |
- | - | - | - |
| 1976 | 13,100 | 0.0 | 0 |
- | - | - | - |
| 1977 | 13,000 | -0.8 | -100 |
- | - | - | - |
| 1978 | 13,100 | 0.8 | 100 |
- | - | - | - |
| 1979 | 12,800 | -2.3 | -300 |
- | - | - | - |
| 1980 | 12,896 | 0.8 | 96 |
- | - | - | - |
| 1981 | 12,796 | -0.8 | -100 |
296 | 153 | - | - |
| 1982 | 12,703 | -0.7 | -93 |
226 | 105 | - | - |
| 1983 | 12,743 | 0.3 | 40 |
211 | 113 | - | - |
| 1984 | 12,583 | -1.3 | -160 |
201 | 120 | - | - |
| 1985 | 12,375 | -1.7 | -208 |
189 | 121 | - | - |
| 1986 | 12,074 | -2.4 | -301 |
172 | 129 | - | - |
| 1987 | 11,903 | -1.4 | -171 |
168 | 127 | - | - |
| 1988 | 11,944 | 0.3 | 41 |
180 | 107 | - | - |
| 1989 | 11,901 | -0.4 | -43 |
175 | 112 | - | - |
| 1990 | 11,952 | 0.4 | 51 |
125 | 96 | - | - |
| 1991 | 11,914 | -0.3 | -38 |
214 | 153 | -1 | -63 |
| 1992 | 11,914 | 0.0 | 0 |
169 | 124 | 0 | -16 |
| 1993 | 11,890 | -0.2 | -24 |
173 | 125 | 2 | -49 |
| 1994 | 11,811 | -0.7 | -79 |
168 | 128 | 0 | -94 |
| 1995 | 11,724 | -0.7 | -87 |
134 | 140 | -1 | -52 |
| 1996 | 11,797 | 0.6 | 73 |
146 | 121 | 0 | 75 |
| 1997 | 11,811 | 0.1 | 14 |
140 | 127 | -4 | 31 |
| 1998 | 11,863 | 0.4 | 52 |
150 | 120 | -5 | 50 |
| 1999 | 11,812 | -0.4 | -51 |
140 | 131 | 0 | -15 |
| 2000 | 11,763 | -0.4 | -49 |
- | - | - | - |
| 2001 | 11,640 | -1.0 | -123 |
169 | 153 | 6 | -134 |
| 2002 | 11,593 | -0.4 | -47 |
159 | 105 | 6 | -100 |
| 2003 | 11,576 | -0.1 | -17 |
161 | 138 | 6 | -31 |
| 2004 | 11,536 | -0.3 | -40 |
148 | 113 | 3 | -70 |
| 2005 | 11,479 | -0.5 | -57 |
165 | 112 | 4 | -106 |
| 2006 | 11,387 | -0.8 | -92 |
168 | 134 | 3 | -126 |
| 2007 | 11,266 | -1.1 | -121 |
173 | 123 | 4 | -176 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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