Mahaska 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 | 22,177 | - | - |
- | - | - | - |
| 1971 | 22,500 | 1.5 | 323 |
- | - | - | - |
| 1972 | 22,500 | 0.0 | 0 |
- | - | - | - |
| 1973 | 22,400 | -0.4 | -100 |
- | - | - | - |
| 1974 | 22,500 | 0.4 | 100 |
- | - | - | - |
| 1975 | 22,100 | -1.8 | -400 |
- | - | - | - |
| 1976 | 22,200 | 0.5 | 100 |
- | - | - | - |
| 1977 | 22,900 | 3.2 | 700 |
- | - | - | - |
| 1978 | 23,000 | 0.4 | 100 |
- | - | - | - |
| 1979 | 23,000 | 0.0 | 0 |
- | - | - | - |
| 1980 | 22,867 | -0.6 | -133 |
- | - | - | - |
| 1981 | 22,565 | -1.3 | -302 |
466 | 297 | - | - |
| 1982 | 22,279 | -1.3 | -286 |
337 | 244 | - | - |
| 1983 | 22,012 | -1.2 | -267 |
341 | 246 | - | - |
| 1984 | 22,136 | 0.6 | 124 |
332 | 255 | - | - |
| 1985 | 21,844 | -1.3 | -292 |
322 | 264 | - | - |
| 1986 | 21,637 | -0.9 | -207 |
322 | 264 | - | - |
| 1987 | 21,466 | -0.8 | -171 |
311 | 246 | - | - |
| 1988 | 21,559 | 0.4 | 93 |
296 | 234 | - | - |
| 1989 | 21,410 | -0.7 | -149 |
306 | 240 | - | - |
| 1990 | 21,532 | 0.6 | 122 |
237 | 182 | - | - |
| 1991 | 21,516 | -0.1 | -16 |
375 | 292 | 4 | -148 |
| 1992 | 21,613 | 0.5 | 97 |
287 | 229 | 21 | -13 |
| 1993 | 21,798 | 0.9 | 185 |
274 | 231 | 7 | 101 |
| 1994 | 21,908 | 0.5 | 110 |
264 | 213 | 9 | 17 |
| 1995 | 22,055 | 0.7 | 147 |
282 | 240 | 1 | 67 |
| 1996 | 22,031 | -0.1 | -24 |
277 | 232 | 3 | -109 |
| 1997 | 22,126 | 0.4 | 95 |
255 | 233 | 15 | 20 |
| 1998 | 22,266 | 0.6 | 140 |
262 | 216 | 16 | 31 |
| 1999 | 22,400 | 0.6 | 134 |
256 | 238 | 11 | 34 |
| 2000 | 22,335 | -0.3 | -65 |
- | - | - | - |
| 2001 | 22,381 | 0.2 | 46 |
359 | 273 | 32 | -50 |
| 2002 | 22,323 | -0.3 | -58 |
277 | 201 | 25 | -147 |
| 2003 | 22,041 | -1.3 | -282 |
245 | 216 | 22 | -318 |
| 2004 | 22,090 | 0.2 | 49 |
299 | 215 | 18 | -43 |
| 2005 | 22,257 | 0.8 | 167 |
284 | 194 | 20 | 77 |
| 2006 | 22,180 | -0.3 | -77 |
310 | 215 | 19 | -182 |
| 2007 | 22,280 | 0.5 | 100 |
311 | 218 | 20 | -17 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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