Sullivan County, IN Population and Components of Change
| Date |
Population |
% Change |
Components of Change |
Total Population Change |
Births |
Deaths |
Inter- national Immigra- tion |
Net Domestic Migration |
| 1970 | 19,889 | - | - |
- | - | - | - |
| 1971 | 19,900 | 0.1 | 11 |
- | - | - | - |
| 1972 | 20,100 | 1.0 | 200 |
- | - | - | - |
| 1973 | 20,400 | 1.5 | 300 |
- | - | - | - |
| 1974 | 20,000 | -2.0 | -400 |
- | - | - | - |
| 1975 | 20,300 | 1.5 | 300 |
- | - | - | - |
| 1976 | 20,600 | 1.5 | 300 |
- | - | - | - |
| 1977 | 21,000 | 1.9 | 400 |
- | - | - | - |
| 1978 | 21,000 | 0.0 | 0 |
- | - | - | - |
| 1979 | 21,000 | 0.0 | 0 |
- | - | - | - |
| 1980 | 21,107 | 0.5 | 107 |
- | - | - | - |
| 1981 | 20,998 | -0.5 | -109 |
360 | 345 | - | - |
| 1982 | 20,595 | -1.9 | -403 |
268 | 271 | - | - |
| 1983 | 20,287 | -1.5 | -308 |
271 | 282 | - | - |
| 1984 | 20,202 | -0.4 | -85 |
273 | 277 | - | - |
| 1985 | 19,966 | -1.2 | -236 |
257 | 257 | - | - |
| 1986 | 19,718 | -1.2 | -248 |
261 | 251 | - | - |
| 1987 | 19,470 | -1.3 | -248 |
249 | 247 | - | - |
| 1988 | 19,174 | -1.5 | -296 |
234 | 251 | - | - |
| 1989 | 19,049 | -0.7 | -125 |
250 | 264 | - | - |
| 1990 | 18,993 | -0.3 | -56 |
192 | 204 | - | - |
| 1991 | 18,994 | 0.0 | 1 |
294 | 345 | 3 | 40 |
| 1992 | 19,029 | 0.2 | 35 |
233 | 245 | 0 | 42 |
| 1993 | 19,342 | 1.6 | 313 |
248 | 243 | 0 | 299 |
| 1994 | 20,119 | 4.0 | 777 |
221 | 262 | 2 | 815 |
| 1995 | 20,574 | 2.3 | 455 |
270 | 246 | 1 | 409 |
| 1996 | 20,861 | 1.4 | 287 |
228 | 267 | 2 | 305 |
| 1997 | 21,565 | 3.4 | 704 |
264 | 273 | 0 | 684 |
| 1998 | 21,509 | -0.3 | -56 |
252 | 275 | 0 | -49 |
| 1999 | 21,758 | 1.2 | 249 |
267 | 274 | 0 | 189 |
| 2000 | 21,751 | 0.0 | -7 |
- | - | - | - |
| 2001 | 21,725 | -0.1 | -26 |
320 | 324 | 2 | -3 |
| 2002 | 21,717 | 0.0 | -8 |
270 | 287 | 1 | 28 |
| 2003 | 21,683 | -0.2 | -34 |
248 | 250 | -3 | 2 |
| 2004 | 21,662 | -0.1 | -21 |
257 | 257 | 1 | -8 |
| 2005 | 21,523 | -0.6 | -139 |
217 | 217 | -1 | -117 |
| 2006 | 21,359 | -0.8 | -164 |
230 | 246 | 1 | -141 |
| 2007 | 21,340 | -0.1 | -19 |
220 | 237 | 0 | -7 |
| 2008 | 21,328 | -0.1 | -12 |
230 | 237 | -1 | -16 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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