Hardin 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 | 22,248 | - | - |
- | - | - | - |
| 1971 | 22,300 | 0.2 | 52 |
- | - | - | - |
| 1972 | 22,300 | 0.0 | 0 |
- | - | - | - |
| 1973 | 22,100 | -0.9 | -200 |
- | - | - | - |
| 1974 | 22,300 | 0.9 | 200 |
- | - | - | - |
| 1975 | 22,200 | -0.4 | -100 |
- | - | - | - |
| 1976 | 22,200 | 0.0 | 0 |
- | - | - | - |
| 1977 | 22,100 | -0.5 | -100 |
- | - | - | - |
| 1978 | 21,700 | -1.8 | -400 |
- | - | - | - |
| 1979 | 22,000 | 1.4 | 300 |
- | - | - | - |
| 1980 | 21,776 | -1.0 | -224 |
- | - | - | - |
| 1981 | 21,661 | -0.5 | -115 |
420 | 313 | - | - |
| 1982 | 21,547 | -0.5 | -114 |
321 | 248 | - | - |
| 1983 | 21,322 | -1.0 | -225 |
318 | 232 | - | - |
| 1984 | 21,322 | 0.0 | 0 |
297 | 238 | - | - |
| 1985 | 20,878 | -2.1 | -444 |
276 | 245 | - | - |
| 1986 | 20,275 | -2.9 | -603 |
251 | 254 | - | - |
| 1987 | 19,638 | -3.1 | -637 |
226 | 253 | - | - |
| 1988 | 19,387 | -1.3 | -251 |
221 | 235 | - | - |
| 1989 | 19,214 | -0.9 | -173 |
219 | 229 | - | - |
| 1990 | 19,094 | -0.6 | -120 |
161 | 173 | - | - |
| 1991 | 19,032 | -0.3 | -62 |
269 | 298 | 1 | -108 |
| 1992 | 18,937 | -0.5 | -95 |
187 | 264 | 3 | -75 |
| 1993 | 18,822 | -0.6 | -115 |
198 | 247 | 3 | -129 |
| 1994 | 18,941 | 0.6 | 119 |
218 | 258 | 1 | 93 |
| 1995 | 19,103 | 0.9 | 162 |
230 | 216 | 2 | 80 |
| 1996 | 19,062 | -0.2 | -41 |
245 | 267 | 3 | -81 |
| 1997 | 18,981 | -0.4 | -81 |
184 | 232 | 3 | -101 |
| 1998 | 18,912 | -0.4 | -69 |
194 | 241 | 4 | -97 |
| 1999 | 18,784 | -0.7 | -128 |
184 | 238 | 1 | -135 |
| 2000 | 18,812 | 0.1 | 28 |
- | - | - | - |
| 2001 | 18,654 | -0.8 | -158 |
280 | 320 | 19 | -124 |
| 2002 | 18,435 | -1.2 | -219 |
209 | 235 | 18 | -203 |
| 2003 | 18,234 | -1.1 | -201 |
220 | 224 | 15 | -196 |
| 2004 | 18,027 | -1.1 | -207 |
177 | 259 | 10 | -122 |
| 2005 | 17,797 | -1.3 | -230 |
219 | 278 | 9 | -165 |
| 2006 | 17,630 | -0.9 | -167 |
200 | 239 | 10 | -133 |
| 2007 | 17,551 | -0.4 | -79 |
201 | 232 | 10 | -62 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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