Clayton 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 | 20,606 | - | - |
- | - | - | - |
| 1971 | 20,800 | 0.9 | 194 |
- | - | - | - |
| 1972 | 21,300 | 2.4 | 500 |
- | - | - | - |
| 1973 | 21,100 | -0.9 | -200 |
- | - | - | - |
| 1974 | 21,100 | 0.0 | 0 |
- | - | - | - |
| 1975 | 21,400 | 1.4 | 300 |
- | - | - | - |
| 1976 | 21,500 | 0.5 | 100 |
- | - | - | - |
| 1977 | 21,800 | 1.4 | 300 |
- | - | - | - |
| 1978 | 21,800 | 0.0 | 0 |
- | - | - | - |
| 1979 | 21,600 | -0.9 | -200 |
- | - | - | - |
| 1980 | 21,098 | -2.3 | -502 |
- | - | - | - |
| 1981 | 20,951 | -0.7 | -147 |
439 | 285 | - | - |
| 1982 | 20,801 | -0.7 | -150 |
346 | 226 | - | - |
| 1983 | 20,602 | -1.0 | -199 |
317 | 231 | - | - |
| 1984 | 20,506 | -0.5 | -96 |
294 | 234 | - | - |
| 1985 | 20,177 | -1.6 | -329 |
290 | 250 | - | - |
| 1986 | 19,699 | -2.4 | -478 |
277 | 249 | - | - |
| 1987 | 19,411 | -1.5 | -288 |
253 | 234 | - | - |
| 1988 | 19,369 | -0.2 | -42 |
242 | 229 | - | - |
| 1989 | 19,218 | -0.8 | -151 |
248 | 226 | - | - |
| 1990 | 19,054 | -0.9 | -164 |
197 | 170 | - | - |
| 1991 | 18,889 | -0.9 | -165 |
301 | 263 | 3 | -221 |
| 1992 | 18,813 | -0.4 | -76 |
252 | 243 | 10 | -109 |
| 1993 | 18,909 | 0.5 | 96 |
234 | 216 | -2 | 64 |
| 1994 | 18,886 | -0.1 | -23 |
218 | 220 | 0 | -37 |
| 1995 | 18,871 | -0.1 | -15 |
216 | 214 | 1 | -28 |
| 1996 | 18,930 | 0.3 | 59 |
186 | 237 | 10 | 88 |
| 1997 | 18,952 | 0.1 | 22 |
189 | 202 | 2 | 18 |
| 1998 | 18,900 | -0.3 | -52 |
195 | 194 | -2 | -72 |
| 1999 | 18,825 | -0.4 | -75 |
189 | 205 | -5 | -105 |
| 2000 | 18,678 | -0.8 | -147 |
- | - | - | - |
| 2001 | 18,455 | -1.2 | -223 |
245 | 284 | 12 | -182 |
| 2002 | 18,224 | -1.3 | -231 |
195 | 225 | 12 | -205 |
| 2003 | 18,131 | -0.5 | -93 |
200 | 218 | 12 | -63 |
| 2004 | 18,058 | -0.4 | -73 |
200 | 199 | 6 | -68 |
| 2005 | 17,892 | -0.9 | -166 |
200 | 207 | 7 | -152 |
| 2006 | 17,782 | -0.6 | -110 |
211 | 190 | 6 | -130 |
| 2007 | 17,685 | -0.5 | -97 |
223 | 187 | 7 | -138 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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