Plymouth 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 | 24,322 | - | - |
- | - | - | - |
| 1971 | 24,400 | 0.3 | 78 |
- | - | - | - |
| 1972 | 24,400 | 0.0 | 0 |
- | - | - | - |
| 1973 | 24,100 | -1.2 | -300 |
- | - | - | - |
| 1974 | 24,100 | 0.0 | 0 |
- | - | - | - |
| 1975 | 24,300 | 0.8 | 200 |
- | - | - | - |
| 1976 | 24,600 | 1.2 | 300 |
- | - | - | - |
| 1977 | 25,100 | 2.0 | 500 |
- | - | - | - |
| 1978 | 25,000 | -0.4 | -100 |
- | - | - | - |
| 1979 | 25,000 | 0.0 | 0 |
- | - | - | - |
| 1980 | 24,743 | -1.0 | -257 |
- | - | - | - |
| 1981 | 24,879 | 0.5 | 136 |
548 | 288 | - | - |
| 1982 | 24,431 | -1.8 | -448 |
424 | 226 | - | - |
| 1983 | 24,290 | -0.6 | -141 |
404 | 247 | - | - |
| 1984 | 24,076 | -0.9 | -214 |
412 | 247 | - | - |
| 1985 | 23,682 | -1.6 | -394 |
372 | 246 | - | - |
| 1986 | 23,599 | -0.4 | -83 |
355 | 228 | - | - |
| 1987 | 23,562 | -0.2 | -37 |
365 | 227 | - | - |
| 1988 | 23,689 | 0.5 | 127 |
332 | 229 | - | - |
| 1989 | 23,448 | -1.0 | -241 |
311 | 218 | - | - |
| 1990 | 23,388 | -0.3 | -60 |
233 | 165 | - | - |
| 1991 | 23,470 | 0.4 | 82 |
394 | 286 | 2 | -45 |
| 1992 | 23,713 | 1.0 | 243 |
306 | 243 | 5 | 148 |
| 1993 | 23,944 | 1.0 | 231 |
318 | 227 | 5 | 103 |
| 1994 | 24,256 | 1.3 | 312 |
305 | 214 | 0 | 192 |
| 1995 | 24,339 | 0.3 | 83 |
314 | 243 | 9 | -26 |
| 1996 | 24,739 | 1.6 | 400 |
315 | 242 | 5 | 305 |
| 1997 | 24,691 | -0.2 | -48 |
331 | 251 | 8 | -135 |
| 1998 | 24,578 | -0.5 | -113 |
328 | 241 | 11 | -180 |
| 1999 | 24,774 | 0.8 | 196 |
332 | 257 | 7 | 132 |
| 2000 | 24,849 | 0.3 | 75 |
- | - | - | - |
| 2001 | 24,755 | -0.4 | -94 |
360 | 292 | 22 | -167 |
| 2002 | 24,572 | -0.7 | -183 |
307 | 252 | 15 | -237 |
| 2003 | 24,610 | 0.2 | 38 |
324 | 231 | 12 | -35 |
| 2004 | 24,726 | 0.5 | 116 |
298 | 235 | 17 | 49 |
| 2005 | 24,594 | -0.5 | -132 |
314 | 261 | 14 | -181 |
| 2006 | 24,502 | -0.4 | -92 |
316 | 251 | 16 | -164 |
| 2007 | 24,373 | -0.5 | -129 |
324 | 238 | 14 | -232 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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