| Washington County, Oregon |
Article Index for Washington County |
Website Links For Washington County |
Information AboutWashington County, Oregon |
| CATEGORIES ABOUT WASHINGTON COUNTY, OREGON | |
| oregon counties | |
| washington county, oregonoregon counties | |
| washington county, oregon | |
| oregon counties | |
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| State | Oregon |
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| Seal | |
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| Map | Map of Oregon highlighting Washington Countysvg |
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| Map Size | 250 |
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| Founded | September 3 , 1849 |
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| Seat | Hillsboro |
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| Area | 1,881 Km&2 (726 Mi&2 ) |
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| Area Land | 1,874 km&2 (724 mi&2) |
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| Area Water | 7 km&2 (3 mi&2) |
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| Area Percentage | 036% |
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| Census Yr | 2000 |
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| Pop | 445,342 |
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| Density | 238 |
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| Web | wwwcowashingtonorus |
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