Polk 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 | 35,349 | - | - |
- | - | - | - |
| 1971 | 36,900 | 4.4 | 1,551 |
- | - | - | - |
| 1972 | 37,700 | 2.2 | 800 |
- | - | - | - |
| 1973 | 37,600 | -0.3 | -100 |
- | - | - | - |
| 1974 | 38,500 | 2.4 | 900 |
- | - | - | - |
| 1975 | 39,700 | 3.1 | 1,200 |
- | - | - | - |
| 1976 | 40,800 | 2.8 | 1,100 |
- | - | - | - |
| 1977 | 44,100 | 8.1 | 3,300 |
- | - | - | - |
| 1978 | 44,800 | 1.6 | 700 |
- | - | - | - |
| 1979 | 45,000 | 0.4 | 200 |
- | - | - | - |
| 1980 | 45,203 | 0.5 | 203 |
- | - | - | - |
| 1981 | 45,802 | 1.3 | 599 |
908 | 474 | - | - |
| 1982 | 45,664 | -0.3 | -138 |
694 | 386 | - | - |
| 1983 | 45,063 | -1.3 | -601 |
639 | 382 | - | - |
| 1984 | 45,391 | 0.7 | 328 |
621 | 403 | - | - |
| 1985 | 45,231 | -0.4 | -160 |
661 | 424 | - | - |
| 1986 | 46,072 | 1.9 | 841 |
672 | 389 | - | - |
| 1987 | 46,752 | 1.5 | 680 |
660 | 388 | - | - |
| 1988 | 47,648 | 1.9 | 896 |
639 | 406 | - | - |
| 1989 | 48,620 | 2.0 | 972 |
638 | 410 | - | - |
| 1990 | 49,541 | 1.9 | 921 |
488 | 310 | - | - |
| 1991 | 51,329 | 3.6 | 1,788 |
855 | 527 | 83 | 1,457 |
| 1992 | 52,803 | 2.9 | 1,474 |
660 | 434 | 66 | 1,243 |
| 1993 | 53,918 | 2.1 | 1,115 |
641 | 459 | 77 | 962 |
| 1994 | 55,771 | 3.4 | 1,853 |
647 | 480 | 129 | 1,686 |
| 1995 | 56,759 | 1.8 | 988 |
625 | 488 | 98 | 867 |
| 1996 | 57,967 | 2.1 | 1,208 |
692 | 520 | 83 | 1,067 |
| 1997 | 59,510 | 2.7 | 1,543 |
663 | 499 | 127 | 1,315 |
| 1998 | 61,012 | 2.5 | 1,502 |
712 | 488 | 121 | 1,172 |
| 1999 | 61,856 | 1.4 | 844 |
685 | 504 | 98 | 712 |
| 2000 | 62,380 | 0.8 | 524 |
- | - | - | - |
| 2001 | 63,796 | 2.3 | 1,416 |
962 | 644 | 238 | 929 |
| 2002 | 64,771 | 1.5 | 975 |
737 | 561 | 185 | 670 |
| 2003 | 65,950 | 1.8 | 1,179 |
774 | 557 | 161 | 846 |
| 2004 | 67,757 | 2.7 | 1,807 |
839 | 577 | 151 | 1,479 |
| 2005 | 70,080 | 3.4 | 2,323 |
776 | 550 | 159 | 1,975 |
| 2006 | 72,637 | 3.6 | 2,557 |
871 | 517 | 157 | 2,094 |
| 2007 | 75,008 | 3.3 | 2,371 |
825 | 535 | 138 | 2,011 |
| 2008 | 77,074 | 2.8 | 2,066 |
974 | 578 | 137 | 1,655 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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