Cassia County, ID
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 17,017 | - | - |
- | - | - | - |
| 1971 | 17,300 | 1.7 | 283 |
- | - | - | - |
| 1972 | 17,500 | 1.2 | 200 |
- | - | - | - |
| 1973 | 17,900 | 2.3 | 400 |
- | - | - | - |
| 1974 | 18,000 | 0.6 | 100 |
- | - | - | - |
| 1975 | 18,500 | 2.8 | 500 |
- | - | - | - |
| 1976 | 19,000 | 2.7 | 500 |
- | - | - | - |
| 1977 | 19,200 | 1.1 | 200 |
- | - | - | - |
| 1978 | 19,200 | 0.0 | 0 |
- | - | - | - |
| 1979 | 19,400 | 1.0 | 200 |
- | - | - | - |
| 1980 | 19,427 | 0.1 | 27 |
- | - | - | - |
| 1981 | 19,802 | 1.9 | 375 |
647 | 156 | - | - |
| 1982 | 20,066 | 1.3 | 264 |
514 | 123 | - | - |
| 1983 | 20,343 | 1.4 | 277 |
495 | 138 | - | - |
| 1984 | 20,483 | 0.7 | 140 |
453 | 142 | - | - |
| 1985 | 20,315 | -0.8 | -168 |
424 | 142 | - | - |
| 1986 | 20,145 | -0.8 | -170 |
398 | 134 | - | - |
| 1987 | 19,863 | -1.4 | -282 |
378 | 139 | - | - |
| 1988 | 19,705 | -0.8 | -158 |
362 | 158 | - | - |
| 1989 | 19,447 | -1.3 | -258 |
351 | 164 | - | - |
| 1990 | 19,532 | 0.4 | 85 |
274 | 118 | - | - |
| 1991 | 19,747 | 1.1 | 215 |
474 | 178 | 46 | -93 |
| 1992 | 20,150 | 2.0 | 403 |
435 | 160 | 30 | 121 |
| 1993 | 20,408 | 1.3 | 258 |
377 | 154 | 39 | 17 |
| 1994 | 20,712 | 1.5 | 304 |
412 | 135 | 62 | -5 |
| 1995 | 20,996 | 1.4 | 284 |
361 | 138 | 73 | 22 |
| 1996 | 21,190 | 0.9 | 194 |
385 | 151 | 83 | -87 |
| 1997 | 21,283 | 0.4 | 93 |
374 | 162 | 96 | -186 |
| 1998 | 21,162 | -0.6 | -121 |
410 | 162 | 85 | -460 |
| 1999 | 21,425 | 1.2 | 263 |
388 | 166 | 118 | -84 |
| 2000 | 21,416 | 0.0 | -9 |
- | - | - | - |
| 2001 | 21,475 | 0.3 | 59 |
509 | 235 | 68 | -266 |
| 2002 | 21,333 | -0.7 | -142 |
373 | 173 | 58 | -393 |
| 2003 | 21,190 | -0.7 | -143 |
391 | 186 | 52 | -393 |
| 2004 | 20,965 | -1.1 | -225 |
400 | 182 | 46 | -466 |
| 2005 | 20,913 | -0.2 | -52 |
419 | 188 | 48 | -315 |
| 2006 | 20,765 | -0.7 | -148 |
387 | 183 | 48 | -392 |
| 2007 | 20,960 | 0.9 | 195 |
385 | 183 | 49 | -55 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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