Tama 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 | 20,147 | - | - |
- | - | - | - |
| 1971 | 20,400 | 1.3 | 253 |
- | - | - | - |
| 1972 | 20,100 | -1.5 | -300 |
- | - | - | - |
| 1973 | 20,200 | 0.5 | 100 |
- | - | - | - |
| 1974 | 20,200 | 0.0 | 0 |
- | - | - | - |
| 1975 | 19,600 | -3.0 | -600 |
- | - | - | - |
| 1976 | 19,900 | 1.5 | 300 |
- | - | - | - |
| 1977 | 20,000 | 0.5 | 100 |
- | - | - | - |
| 1978 | 20,100 | 0.5 | 100 |
- | - | - | - |
| 1979 | 19,900 | -1.0 | -200 |
- | - | - | - |
| 1980 | 19,533 | -1.8 | -367 |
- | - | - | - |
| 1981 | 19,342 | -1.0 | -191 |
346 | 275 | - | - |
| 1982 | 19,204 | -0.7 | -138 |
272 | 211 | - | - |
| 1983 | 19,041 | -0.8 | -163 |
277 | 194 | - | - |
| 1984 | 18,997 | -0.2 | -44 |
265 | 206 | - | - |
| 1985 | 18,660 | -1.8 | -337 |
255 | 221 | - | - |
| 1986 | 18,219 | -2.4 | -441 |
239 | 221 | - | - |
| 1987 | 17,805 | -2.3 | -414 |
230 | 204 | - | - |
| 1988 | 17,675 | -0.7 | -130 |
220 | 187 | - | - |
| 1989 | 17,487 | -1.1 | -188 |
213 | 193 | - | - |
| 1990 | 17,419 | -0.4 | -68 |
164 | 157 | - | - |
| 1991 | 17,424 | 0.0 | 5 |
273 | 248 | 15 | -64 |
| 1992 | 17,513 | 0.5 | 89 |
220 | 211 | 7 | 45 |
| 1993 | 17,728 | 1.2 | 215 |
232 | 196 | 2 | 151 |
| 1994 | 17,906 | 1.0 | 178 |
232 | 231 | 3 | 143 |
| 1995 | 17,951 | 0.3 | 45 |
233 | 227 | 0 | 7 |
| 1996 | 17,885 | -0.4 | -66 |
218 | 211 | 15 | -122 |
| 1997 | 17,950 | 0.4 | 65 |
217 | 236 | 33 | 21 |
| 1998 | 18,070 | 0.7 | 120 |
235 | 209 | 28 | 38 |
| 1999 | 18,121 | 0.3 | 51 |
218 | 242 | 21 | 30 |
| 2000 | 18,103 | -0.1 | -18 |
- | - | - | - |
| 2001 | 18,017 | -0.5 | -86 |
308 | 283 | 12 | -104 |
| 2002 | 17,912 | -0.6 | -105 |
230 | 211 | 12 | -125 |
| 2003 | 17,864 | -0.3 | -48 |
222 | 191 | 12 | -68 |
| 2004 | 17,958 | 0.5 | 94 |
269 | 189 | 9 | 14 |
| 2005 | 17,933 | -0.1 | -25 |
222 | 192 | 10 | -49 |
| 2006 | 17,862 | -0.4 | -71 |
249 | 218 | 9 | -104 |
| 2007 | 17,855 | 0.0 | -7 |
247 | 201 | 10 | -68 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
|
