Columbia County, OR
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 28,790 | - | - |
- | - | - | - |
| 1971 | 29,300 | 1.8 | 510 |
- | - | - | - |
| 1972 | 30,300 | 3.4 | 1,000 |
- | - | - | - |
| 1973 | 31,400 | 3.6 | 1,100 |
- | - | - | - |
| 1974 | 31,800 | 1.3 | 400 |
- | - | - | - |
| 1975 | 32,400 | 1.9 | 600 |
- | - | - | - |
| 1976 | 32,900 | 1.5 | 500 |
- | - | - | - |
| 1977 | 33,900 | 3.0 | 1,000 |
- | - | - | - |
| 1978 | 34,300 | 1.2 | 400 |
- | - | - | - |
| 1979 | 35,400 | 3.2 | 1,100 |
- | - | - | - |
| 1980 | 35,646 | 0.7 | 246 |
- | - | - | - |
| 1981 | 35,963 | 0.9 | 317 |
717 | 358 | - | - |
| 1982 | 36,170 | 0.6 | 207 |
543 | 293 | - | - |
| 1983 | 36,022 | -0.4 | -148 |
542 | 312 | - | - |
| 1984 | 35,739 | -0.8 | -283 |
514 | 311 | - | - |
| 1985 | 35,707 | -0.1 | -32 |
507 | 304 | - | - |
| 1986 | 35,829 | 0.3 | 122 |
492 | 298 | - | - |
| 1987 | 35,954 | 0.3 | 125 |
471 | 315 | - | - |
| 1988 | 36,228 | 0.8 | 274 |
479 | 327 | - | - |
| 1989 | 36,708 | 1.3 | 480 |
513 | 309 | - | - |
| 1990 | 37,557 | 2.3 | 849 |
401 | 215 | - | - |
| 1991 | 38,476 | 2.4 | 919 |
636 | 405 | 21 | 914 |
| 1992 | 38,828 | 0.9 | 352 |
498 | 309 | 18 | 355 |
| 1993 | 39,466 | 1.6 | 638 |
468 | 299 | 14 | 675 |
| 1994 | 39,922 | 1.2 | 456 |
497 | 336 | 8 | 504 |
| 1995 | 40,576 | 1.6 | 654 |
506 | 354 | 18 | 699 |
| 1996 | 41,454 | 2.2 | 878 |
460 | 382 | 9 | 1,000 |
| 1997 | 42,055 | 1.4 | 601 |
523 | 348 | 18 | 632 |
| 1998 | 42,781 | 1.7 | 726 |
523 | 371 | 26 | 797 |
| 1999 | 43,360 | 1.4 | 579 |
540 | 353 | 23 | 636 |
| 2000 | 43,560 | 0.5 | 200 |
- | - | - | - |
| 2001 | 44,238 | 1.6 | 678 |
667 | 473 | 16 | 496 |
| 2002 | 45,168 | 2.1 | 930 |
492 | 381 | 12 | 824 |
| 2003 | 45,696 | 1.2 | 528 |
526 | 401 | 7 | 432 |
| 2004 | 46,270 | 1.3 | 574 |
513 | 405 | 14 | 485 |
| 2005 | 47,045 | 1.7 | 775 |
507 | 396 | 10 | 685 |
| 2006 | 48,217 | 2.5 | 1,172 |
511 | 383 | 12 | 1,055 |
| 2007 | 48,996 | 1.6 | 779 |
570 | 395 | 10 | 603 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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