Benton 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 | 53,776 | - | - |
- | - | - | - |
| 1971 | 54,900 | 2.1 | 1,124 |
- | - | - | - |
| 1972 | 60,100 | 9.5 | 5,200 |
- | - | - | - |
| 1973 | 59,300 | -1.3 | -800 |
- | - | - | - |
| 1974 | 61,200 | 3.2 | 1,900 |
- | - | - | - |
| 1975 | 61,600 | 0.7 | 400 |
- | - | - | - |
| 1976 | 62,300 | 1.1 | 700 |
- | - | - | - |
| 1977 | 65,600 | 5.3 | 3,300 |
- | - | - | - |
| 1978 | 67,000 | 2.1 | 1,400 |
- | - | - | - |
| 1979 | 68,200 | 1.8 | 1,200 |
- | - | - | - |
| 1980 | 68,211 | 0.0 | 11 |
- | - | - | - |
| 1981 | 69,369 | 1.7 | 1,158 |
1,169 | 417 | - | - |
| 1982 | 69,461 | 0.1 | 92 |
926 | 363 | - | - |
| 1983 | 68,245 | -1.8 | -1,216 |
892 | 385 | - | - |
| 1984 | 67,474 | -1.1 | -771 |
865 | 371 | - | - |
| 1985 | 67,275 | -0.3 | -199 |
882 | 376 | - | - |
| 1986 | 66,940 | -0.5 | -335 |
877 | 383 | - | - |
| 1987 | 67,590 | 1.0 | 650 |
869 | 385 | - | - |
| 1988 | 67,876 | 0.4 | 286 |
870 | 401 | - | - |
| 1989 | 69,879 | 3.0 | 2,003 |
859 | 413 | - | - |
| 1990 | 70,811 | 1.3 | 932 |
640 | 320 | - | - |
| 1991 | 71,507 | 1.0 | 696 |
1,073 | 504 | 112 | -283 |
| 1992 | 72,618 | 1.6 | 1,111 |
858 | 408 | 75 | 261 |
| 1993 | 73,997 | 1.9 | 1,379 |
755 | 399 | 84 | 651 |
| 1994 | 75,481 | 2.0 | 1,484 |
806 | 413 | 64 | 734 |
| 1995 | 76,517 | 1.4 | 1,036 |
779 | 411 | 120 | 251 |
| 1996 | 77,776 | 1.6 | 1,259 |
812 | 476 | 130 | 503 |
| 1997 | 78,560 | 1.0 | 784 |
871 | 420 | 182 | -7 |
| 1998 | 78,943 | 0.5 | 383 |
838 | 438 | 121 | -228 |
| 1999 | 78,254 | -0.9 | -689 |
903 | 427 | 98 | -1,235 |
| 2000 | 78,153 | -0.1 | -101 |
- | - | - | - |
| 2001 | 78,149 | 0.0 | -4 |
967 | 582 | 472 | -784 |
| 2002 | 79,585 | 1.8 | 1,436 |
796 | 434 | 344 | 787 |
| 2003 | 79,398 | -0.2 | -187 |
771 | 519 | 294 | -669 |
| 2004 | 78,949 | -0.6 | -449 |
752 | 496 | 284 | -908 |
| 2005 | 79,452 | 0.6 | 503 |
804 | 485 | 292 | -43 |
| 2006 | 80,110 | 0.8 | 658 |
791 | 488 | 297 | 99 |
| 2007 | 81,151 | 1.3 | 1,041 |
804 | 525 | 269 | 525 |
| 2008 | 81,859 | 0.9 | 708 |
863 | 510 | 270 | 97 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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