| Annual Estimates of the Population for Counties of Oregon: April 1, 2000 to July 1, 2006 | |||||||||
| Geographic Area | Population Estimates | April 1, 2000 | |||||||
| July 1, 2006 | July 1, 2005 | July 1, 2004 | July 1, 2003 | July 1, 2002 | July 1, 2001 | July 1, 2000 | Estimates Base | Census | |
| Oregon | 3,700,758 | 3,638,871 | 3,589,168 | 3,561,155 | 3,523,529 | 3,474,183 | 3,431,530 | 3,421,436 | 3,421,399 |
| Baker County | 16,243 | 16,255 | 16,436 | 16,457 | 16,527 | 16,678 | 16,732 | 16,741 | 16,741 |
| Benton County | 79,061 | 78,597 | 78,345 | 79,131 | 79,051 | 77,844 | 78,128 | 78,139 | 78,153 |
| Clackamas County | 374,230 | 368,259 | 362,599 | 356,874 | 352,350 | 345,435 | 339,675 | 338,391 | 338,391 |
| Clatsop County | 37,315 | 36,842 | 36,302 | 35,939 | 35,704 | 35,581 | 35,596 | 35,630 | 35,630 |
| Columbia County | 49,163 | 47,899 | 46,938 | 46,239 | 45,439 | 44,317 | 43,671 | 43,560 | 43,560 |
| Coos County | 64,820 | 64,554 | 63,765 | 63,064 | 62,601 | 62,393 | 62,696 | 62,788 | 62,779 |
| Crook County | 22,941 | 21,999 | 21,403 | 20,632 | 20,204 | 19,947 | 19,346 | 19,184 | 19,182 |
| Curry County | 22,358 | 22,341 | 22,109 | 21,671 | 21,454 | 21,129 | 21,123 | 21,137 | 21,137 |
| Deschutes County | 149,140 | 141,288 | 134,329 | 129,306 | 125,498 | 120,757 | 116,617 | 115,367 | 115,367 |
| Douglas County | 105,117 | 104,139 | 103,022 | 102,132 | 101,157 | 100,338 | 100,486 | 100,399 | 100,399 |
| Gilliam County | 1,775 | 1,792 | 1,818 | 1,794 | 1,859 | 1,889 | 1,911 | 1,915 | 1,915 |
| Grant County | 7,250 | 7,319 | 7,355 | 7,449 | 7,440 | 7,528 | 7,901 | 7,935 | 7,935 |
| Harney County | 6,888 | 6,910 | 7,082 | 7,203 | 7,317 | 7,415 | 7,613 | 7,609 | 7,609 |
| Hood River County | 21,533 | 21,321 | 21,091 | 20,806 | 20,720 | 20,479 | 20,487 | 20,411 | 20,411 |
| Jackson County | 197,071 | 195,151 | 192,934 | 190,294 | 187,176 | 184,168 | 181,932 | 181,323 | 181,269 |
| Jefferson County | 20,352 | 20,007 | 19,802 | 19,718 | 19,621 | 19,478 | 19,113 | 19,009 | 19,009 |
| Josephine County | 81,688 | 80,667 | 79,749 | 78,789 | 77,733 | 76,471 | 75,836 | 75,676 | 75,726 |
| Klamath County | 66,438 | 65,803 | 65,160 | 64,982 | 64,307 | 64,181 | 63,941 | 63,775 | 63,775 |
| Lake County | 7,473 | 7,269 | 7,356 | 7,430 | 7,443 | 7,481 | 7,411 | 7,422 | 7,422 |
| Lane County | 337,870 | 334,486 | 331,313 | 329,890 | 326,984 | 324,533 | 323,468 | 322,977 | 322,959 |
| Lincoln County | 46,199 | 45,946 | 45,248 | 44,782 | 44,509 | 44,070 | 44,342 | 44,479 | 44,479 |
| Linn County | 111,489 | 108,942 | 107,210 | 106,237 | 105,090 | 103,853 | 103,060 | 103,083 | 103,069 |
| Malheur County | 31,247 | 31,292 | 31,299 | 31,345 | 31,429 | 31,581 | 31,545 | 31,615 | 31,615 |
| Marion County | 311,304 | 305,715 | 301,781 | 298,624 | 295,127 | 289,553 | 285,681 | 284,838 | 284,834 |
| Morrow County | 11,753 | 11,638 | 11,671 | 11,627 | 11,600 | 11,250 | 11,059 | 10,995 | 10,995 |
| Multnomah County | 681,454 | 672,947 | 671,172 | 677,608 | 675,468 | 668,903 | 661,584 | 660,486 | 660,486 |
| Polk County | 73,296 | 70,553 | 67,938 | 66,146 | 64,846 | 63,854 | 62,661 | 62,380 | 62,380 |
| Sherman County | 1,699 | 1,729 | 1,714 | 1,784 | 1,786 | 1,860 | 1,924 | 1,934 | 1,934 |
| Tillamook County | 25,380 | 25,226 | 24,914 | 24,679 | 24,495 | 24,450 | 24,264 | 24,262 | 24,262 |
| Umatilla County | 72,928 | 72,843 | 72,585 | 72,157 | 71,386 | 70,642 | 70,693 | 70,548 | 70,548 |
| Union County | 24,345 | 24,418 | 24,391 | 24,499 | 24,500 | 24,342 | 24,550 | 24,530 | 24,530 |
| Wallowa County | 6,875 | 6,945 | 6,961 | 7,072 | 7,089 | 7,173 | 7,220 | 7,226 | 7,226 |
| Wasco County | 23,712 | 23,555 | 23,525 | 23,644 | 23,560 | 23,731 | 23,818 | 23,791 | 23,791 |
| Washington County | 514,269 | 500,714 | 487,859 | 480,260 | 472,623 | 462,909 | 448,607 | 445,342 | 445,342 |
| Wheeler County | 1,404 | 1,430 | 1,465 | 1,514 | 1,530 | 1,508 | 1,545 | 1,547 | 1,547 |
| Yamhill County | 94,678 | 92,080 | 90,527 | 89,377 | 87,906 | 86,462 | 85,294 | 84,992 | 84,992 |
Source: Population Division, U.S. Census Bureau