Yankton County, SD
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 19,039 | - | - |
- | - | - | - |
| 1971 | 19,200 | 0.8 | 161 |
- | - | - | - |
| 1972 | 19,500 | 1.6 | 300 |
- | - | - | - |
| 1973 | 19,000 | -2.6 | -500 |
- | - | - | - |
| 1974 | 18,400 | -3.2 | -600 |
- | - | - | - |
| 1975 | 18,600 | 1.1 | 200 |
- | - | - | - |
| 1976 | 18,800 | 1.1 | 200 |
- | - | - | - |
| 1977 | 18,800 | 0.0 | 0 |
- | - | - | - |
| 1978 | 18,900 | 0.5 | 100 |
- | - | - | - |
| 1979 | 18,800 | -0.5 | -100 |
- | - | - | - |
| 1980 | 18,952 | 0.8 | 152 |
- | - | - | - |
| 1981 | 18,915 | -0.2 | -37 |
425 | 216 | - | - |
| 1982 | 18,831 | -0.4 | -84 |
342 | 161 | - | - |
| 1983 | 18,833 | 0.0 | 2 |
343 | 159 | - | - |
| 1984 | 18,882 | 0.3 | 49 |
326 | 157 | - | - |
| 1985 | 18,829 | -0.3 | -53 |
310 | 172 | - | - |
| 1986 | 18,694 | -0.7 | -135 |
283 | 189 | - | - |
| 1987 | 18,660 | -0.2 | -34 |
275 | 197 | - | - |
| 1988 | 18,925 | 1.4 | 265 |
296 | 198 | - | - |
| 1989 | 19,078 | 0.8 | 153 |
285 | 182 | - | - |
| 1990 | 19,252 | 0.9 | 174 |
200 | 127 | - | - |
| 1991 | 19,784 | 2.8 | 532 |
392 | 221 | 10 | 288 |
| 1992 | 20,064 | 1.4 | 280 |
291 | 170 | 8 | 97 |
| 1993 | 20,439 | 1.9 | 375 |
309 | 193 | 8 | 201 |
| 1994 | 20,791 | 1.7 | 352 |
302 | 171 | 12 | 156 |
| 1995 | 20,998 | 1.0 | 207 |
259 | 179 | 7 | 70 |
| 1996 | 21,067 | 0.3 | 69 |
257 | 190 | 7 | -55 |
| 1997 | 21,287 | 1.0 | 220 |
316 | 177 | 19 | 0 |
| 1998 | 21,456 | 0.8 | 169 |
297 | 175 | 18 | 12 |
| 1999 | 21,667 | 1.0 | 211 |
304 | 184 | 18 | 69 |
| 2000 | 21,652 | -0.1 | -15 |
- | - | - | - |
| 2001 | 21,467 | -0.9 | -185 |
306 | 232 | 6 | -246 |
| 2002 | 21,476 | 0.0 | 9 |
236 | 195 | 5 | -15 |
| 2003 | 21,525 | 0.2 | 49 |
248 | 206 | 3 | 33 |
| 2004 | 21,667 | 0.7 | 142 |
262 | 213 | 9 | 102 |
| 2005 | 21,617 | -0.2 | -50 |
256 | 195 | 6 | -100 |
| 2006 | 21,639 | 0.1 | 22 |
252 | 185 | 8 | -42 |
| 2007 | 21,672 | 0.2 | 33 |
288 | 193 | 6 | -70 |
| 2008 | 21,835 | 0.8 | 163 |
281 | 207 | 8 | 76 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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