Iowa County, WI
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 19,306 | - | - |
- | - | - | - |
| 1971 | 20,100 | 4.1 | 794 |
- | - | - | - |
| 1972 | 20,200 | 0.5 | 100 |
- | - | - | - |
| 1973 | 19,600 | -3.0 | -600 |
- | - | - | - |
| 1974 | 19,300 | -1.5 | -300 |
- | - | - | - |
| 1975 | 19,600 | 1.6 | 300 |
- | - | - | - |
| 1976 | 19,700 | 0.5 | 100 |
- | - | - | - |
| 1977 | 19,900 | 1.0 | 200 |
- | - | - | - |
| 1978 | 19,600 | -1.5 | -300 |
- | - | - | - |
| 1979 | 19,700 | 0.5 | 100 |
- | - | - | - |
| 1980 | 19,802 | 0.5 | 102 |
- | - | - | - |
| 1981 | 20,126 | 1.6 | 324 |
430 | 264 | - | - |
| 1982 | 20,072 | -0.3 | -54 |
341 | 192 | - | - |
| 1983 | 20,135 | 0.3 | 63 |
353 | 173 | - | - |
| 1984 | 20,350 | 1.1 | 215 |
351 | 188 | - | - |
| 1985 | 20,114 | -1.2 | -236 |
327 | 199 | - | - |
| 1986 | 20,077 | -0.2 | -37 |
333 | 201 | - | - |
| 1987 | 20,013 | -0.3 | -64 |
326 | 199 | - | - |
| 1988 | 20,183 | 0.8 | 170 |
306 | 193 | - | - |
| 1989 | 20,125 | -0.3 | -58 |
304 | 185 | - | - |
| 1990 | 20,150 | 0.1 | 25 |
227 | 139 | - | - |
| 1991 | 20,322 | 0.9 | 172 |
406 | 261 | 8 | 31 |
| 1992 | 20,520 | 1.0 | 198 |
280 | 194 | 2 | 118 |
| 1993 | 21,000 | 2.3 | 480 |
293 | 160 | 6 | 351 |
| 1994 | 21,204 | 1.0 | 204 |
257 | 223 | -3 | 176 |
| 1995 | 21,618 | 2.0 | 414 |
268 | 183 | 7 | 329 |
| 1996 | 21,887 | 1.2 | 269 |
292 | 176 | 6 | 155 |
| 1997 | 22,156 | 1.2 | 269 |
280 | 164 | 4 | 138 |
| 1998 | 22,350 | 0.9 | 194 |
246 | 192 | 4 | 148 |
| 1999 | 22,709 | 1.6 | 359 |
281 | 167 | 9 | 252 |
| 2000 | 22,780 | 0.3 | 71 |
- | - | - | - |
| 2001 | 22,923 | 0.6 | 143 |
350 | 226 | 1 | 38 |
| 2002 | 23,011 | 0.4 | 88 |
313 | 194 | 0 | -11 |
| 2003 | 23,151 | 0.6 | 140 |
311 | 204 | 0 | 61 |
| 2004 | 23,180 | 0.1 | 29 |
311 | 198 | 0 | -71 |
| 2005 | 23,388 | 0.9 | 208 |
317 | 193 | -1 | 103 |
| 2006 | 23,538 | 0.6 | 150 |
317 | 173 | 0 | 15 |
| 2007 | 23,561 | 0.1 | 23 |
333 | 193 | 0 | -118 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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