Washington 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 | 157,920 | - | - |
- | - | - | - |
| 1971 | 165,200 | 4.6 | 7,280 |
- | - | - | - |
| 1972 | 177,500 | 7.4 | 12,300 |
- | - | - | - |
| 1973 | 184,200 | 3.8 | 6,700 |
- | - | - | - |
| 1974 | 189,600 | 2.9 | 5,400 |
- | - | - | - |
| 1975 | 197,400 | 4.1 | 7,800 |
- | - | - | - |
| 1976 | 204,500 | 3.6 | 7,100 |
- | - | - | - |
| 1977 | 212,100 | 3.7 | 7,600 |
- | - | - | - |
| 1978 | 222,800 | 5.0 | 10,700 |
- | - | - | - |
| 1979 | 235,800 | 5.8 | 13,000 |
- | - | - | - |
| 1980 | 245,860 | 4.3 | 10,060 |
- | - | - | - |
| 1981 | 254,860 | 3.7 | 9,000 |
5,164 | 1,700 | - | - |
| 1982 | 259,720 | 1.9 | 4,860 |
4,315 | 1,410 | - | - |
| 1983 | 260,332 | 0.2 | 612 |
4,277 | 1,528 | - | - |
| 1984 | 264,916 | 1.8 | 4,584 |
4,193 | 1,601 | - | - |
| 1985 | 269,244 | 1.6 | 4,328 |
4,269 | 1,629 | - | - |
| 1986 | 275,243 | 2.2 | 5,999 |
4,315 | 1,703 | - | - |
| 1987 | 282,252 | 2.5 | 7,009 |
4,325 | 1,811 | - | - |
| 1988 | 292,467 | 3.6 | 10,215 |
4,457 | 1,848 | - | - |
| 1989 | 300,230 | 2.7 | 7,763 |
4,695 | 1,807 | - | - |
| 1990 | 311,554 | 3.8 | 11,324 |
3,641 | 1,343 | - | - |
| 1991 | 330,646 | 6.1 | 19,092 |
6,811 | 2,590 | 1,186 | 10,816 |
| 1992 | 344,283 | 4.1 | 13,637 |
5,486 | 2,097 | 1,035 | 6,848 |
| 1993 | 357,789 | 3.9 | 13,506 |
5,577 | 2,162 | 1,191 | 6,628 |
| 1994 | 370,423 | 3.5 | 12,634 |
5,763 | 2,276 | 1,184 | 5,492 |
| 1995 | 384,335 | 3.8 | 13,912 |
5,982 | 2,305 | 1,406 | 6,017 |
| 1996 | 398,289 | 3.6 | 13,954 |
6,092 | 2,445 | 1,364 | 5,904 |
| 1997 | 411,112 | 3.2 | 12,823 |
6,477 | 2,544 | 2,020 | 3,723 |
| 1998 | 423,985 | 3.1 | 12,873 |
6,582 | 2,490 | 1,801 | 3,588 |
| 1999 | 435,602 | 2.7 | 11,617 |
6,706 | 2,567 | 1,779 | 2,722 |
| 2000 | 445,342 | 2.2 | 9,740 |
- | - | - | - |
| 2001 | 462,481 | 3.8 | 17,139 |
9,487 | 3,244 | 4,199 | 7,030 |
| 2002 | 471,724 | 2.0 | 9,243 |
7,491 | 2,754 | 3,108 | 1,864 |
| 2003 | 478,630 | 1.5 | 6,906 |
7,772 | 2,773 | 2,717 | -105 |
| 2004 | 486,036 | 1.5 | 7,406 |
7,532 | 2,748 | 2,482 | 455 |
| 2005 | 498,151 | 2.5 | 12,115 |
7,615 | 2,840 | 2,604 | 5,145 |
| 2006 | 510,927 | 2.6 | 12,776 |
7,561 | 2,735 | 2,595 | 5,643 |
| 2007 | 519,794 | 1.7 | 8,867 |
8,027 | 2,650 | 2,374 | 1,283 |
| 2008 | 529,216 | 1.8 | 9,422 |
8,010 | 2,746 | 2,377 | 1,832 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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