Clark County, IL Population and Components of Change
| Date |
Population |
% Change |
Components of Change |
Total Population Change |
Births |
Deaths |
Inter- national Immigra- tion |
Net Domestic Migration |
| 1970 | 16,216 | - | - |
- | - | - | - |
| 1971 | 16,300 | 0.5 | 84 |
- | - | - | - |
| 1972 | 16,300 | 0.0 | 0 |
- | - | - | - |
| 1973 | 16,100 | -1.2 | -200 |
- | - | - | - |
| 1974 | 16,300 | 1.2 | 200 |
- | - | - | - |
| 1975 | 16,400 | 0.6 | 100 |
- | - | - | - |
| 1976 | 16,300 | -0.6 | -100 |
- | - | - | - |
| 1977 | 16,600 | 1.8 | 300 |
- | - | - | - |
| 1978 | 16,600 | 0.0 | 0 |
- | - | - | - |
| 1979 | 16,600 | 0.0 | 0 |
- | - | - | - |
| 1980 | 16,913 | 1.9 | 313 |
- | - | - | - |
| 1981 | 17,167 | 1.5 | 254 |
279 | 270 | - | - |
| 1982 | 17,071 | -0.6 | -96 |
229 | 206 | - | - |
| 1983 | 16,897 | -1.0 | -174 |
236 | 218 | - | - |
| 1984 | 16,713 | -1.1 | -184 |
234 | 219 | - | - |
| 1985 | 16,555 | -0.9 | -158 |
226 | 215 | - | - |
| 1986 | 16,215 | -2.1 | -340 |
203 | 223 | - | - |
| 1987 | 16,103 | -0.7 | -112 |
197 | 199 | - | - |
| 1988 | 16,115 | 0.1 | 12 |
205 | 199 | - | - |
| 1989 | 15,974 | -0.9 | -141 |
197 | 216 | - | - |
| 1990 | 15,921 | -0.3 | -53 |
144 | 155 | - | - |
| 1991 | 15,943 | 0.1 | 22 |
211 | 213 | 3 | -28 |
| 1992 | 16,083 | 0.9 | 140 |
186 | 200 | 1 | 111 |
| 1993 | 16,290 | 1.3 | 207 |
180 | 191 | 1 | 173 |
| 1994 | 16,479 | 1.2 | 189 |
229 | 211 | -2 | 129 |
| 1995 | 16,530 | 0.3 | 51 |
197 | 207 | -1 | 19 |
| 1996 | 16,671 | 0.9 | 141 |
195 | 202 | -1 | 96 |
| 1997 | 16,768 | 0.6 | 97 |
190 | 203 | 3 | 63 |
| 1998 | 16,948 | 1.1 | 180 |
190 | 200 | 0 | 129 |
| 1999 | 17,011 | 0.4 | 63 |
190 | 204 | 0 | 56 |
| 2000 | 17,008 | 0.0 | -3 |
- | - | - | - |
| 2001 | 16,878 | -0.8 | -130 |
242 | 265 | 2 | -95 |
| 2002 | 16,915 | 0.2 | 37 |
188 | 201 | 2 | 59 |
| 2003 | 16,832 | -0.5 | -83 |
181 | 236 | 1 | -7 |
| 2004 | 16,822 | -0.1 | -10 |
181 | 223 | 2 | 38 |
| 2005 | 16,852 | 0.2 | 30 |
202 | 207 | 3 | 45 |
| 2006 | 16,835 | -0.1 | -17 |
203 | 199 | 2 | -17 |
| 2007 | 16,884 | 0.3 | 49 |
205 | 220 | 2 | 65 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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