| Information by State |
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
| Oregon
| Washington
|
| Find a Lawyer in Washington County: |
|
|
 |
|
| Washington County, Oregon (OR) |
| Address: |
County Courthouse |
|
150 N 1st Avenue |
|
Hillsboro, Oregon 97124 |
| County Seat: |
Hillsboro |
| Phone: |
503-846-8685 |
| Fax: |
503-846-4545 |
| Website: |
www.co.washington.or.us |
| Established: |
1843 |
| Area: |
727 sq mi |
|
| Washington County, Oregon Communities: |
|
|
| Total Communities in Washington County, Oregon: 22 |
| Population: |
| 572,872 |
584,835 |
591,164 |
597,695 |
|
| 2015 * |
2016 * |
2017 * |
2018 * |
|
|
|
| 529,710 |
540,963 |
548,598 |
555,405 |
562,539 |
|
| 2010 |
2011 * |
2012 * |
2013 * |
2014 * |
|
| * (U.S. Census Estimate) |
| If you're aware of any incorrect or missing information, |
| please
Contact Us. |
 |
|
|
|
|
