Colusa County, CA
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 12,430 | - | - |
- | - | - | - |
| 1971 | 12,400 | -0.2 | -30 |
- | - | - | - |
| 1972 | 12,200 | -1.6 | -200 |
- | - | - | - |
| 1973 | 12,200 | 0.0 | 0 |
- | - | - | - |
| 1974 | 12,400 | 1.6 | 200 |
- | - | - | - |
| 1975 | 12,600 | 1.6 | 200 |
- | - | - | - |
| 1976 | 12,800 | 1.6 | 200 |
- | - | - | - |
| 1977 | 12,800 | 0.0 | 0 |
- | - | - | - |
| 1978 | 12,700 | -0.8 | -100 |
- | - | - | - |
| 1979 | 12,900 | 1.6 | 200 |
- | - | - | - |
| 1980 | 12,791 | -0.8 | -109 |
- | - | - | - |
| 1981 | 13,184 | 3.1 | 393 |
335 | 163 | - | - |
| 1982 | 13,872 | 5.2 | 688 |
273 | 129 | - | - |
| 1983 | 14,109 | 1.7 | 237 |
264 | 144 | - | - |
| 1984 | 14,159 | 0.4 | 50 |
260 | 139 | - | - |
| 1985 | 14,701 | 3.8 | 542 |
267 | 129 | - | - |
| 1986 | 14,930 | 1.6 | 229 |
264 | 143 | - | - |
| 1987 | 14,972 | 0.3 | 42 |
255 | 145 | - | - |
| 1988 | 15,494 | 3.5 | 522 |
277 | 154 | - | - |
| 1989 | 16,004 | 3.3 | 510 |
281 | 156 | - | - |
| 1990 | 16,275 | 1.7 | 271 |
202 | 109 | - | - |
| 1991 | 16,572 | 1.8 | 297 |
355 | 160 | 157 | -21 |
| 1992 | 16,834 | 1.6 | 262 |
338 | 128 | 119 | -36 |
| 1993 | 16,997 | 1.0 | 163 |
323 | 141 | 151 | -152 |
| 1994 | 17,252 | 1.5 | 255 |
314 | 150 | 230 | -114 |
| 1995 | 17,584 | 1.9 | 332 |
345 | 139 | 235 | -80 |
| 1996 | 17,909 | 1.8 | 325 |
309 | 168 | 317 | -93 |
| 1997 | 18,262 | 2.0 | 353 |
288 | 140 | 366 | -121 |
| 1998 | 18,419 | 0.9 | 157 |
313 | 144 | 380 | -381 |
| 1999 | 18,620 | 1.1 | 201 |
282 | 142 | 346 | -240 |
| 2000 | 18,804 | 1.0 | 184 |
- | - | - | - |
| 2001 | 19,052 | 1.3 | 248 |
429 | 188 | 263 | -239 |
| 2002 | 19,313 | 1.4 | 261 |
321 | 133 | 212 | -125 |
| 2003 | 19,657 | 1.8 | 344 |
333 | 135 | 190 | -20 |
| 2004 | 20,329 | 3.4 | 672 |
334 | 143 | 164 | 332 |
| 2005 | 20,675 | 1.7 | 346 |
353 | 141 | 169 | -21 |
| 2006 | 21,090 | 2.0 | 415 |
396 | 142 | 170 | -1 |
| 2007 | 21,302 | 1.0 | 212 |
406 | 132 | 171 | -223 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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