Washington County, Oregon

The 2000 Census showed that Washington County had a population of 448,509 people. This represented 13.07% of the total population of Oregon, making it the state's 2nd most populous county (out of 36 counties).

From the Census estimates for 2008^<1>, Washington had a population of 529,216 people. This is an increase of 17.99% since the 2000 Census.

The following table shows the recent changes in population. For the years after 2000, the population counts are estimated.

Washington County had 178,913 Housing Units^<2> at the time of the 2000 Census.

The 2000 Census shows that Washington County has a total area^<3> of 726 square miles [1,881 km²]. Of this total, only a minor amount of that area is covered by water (2.63 square miles [6.82 km²]).

Using the above population and land area values, Washington County had a population density of 619 people per square mile [239.3 people/km²], making it the state's 2nd most densely populated county (out of 36 counties).

US Census QuickFacts

The Census Bureau has created documents containing demographic information that are called QuickFacts. A QuickFact that is specific to Washington County is available. The QuickFact also contains a comparison between Washington and the state of Oregon.

Click here for the Washington County QuickFact (QF-41067).

Below are some of the communities that are located in Washington County:

Below are the counties that adjoin and form the boundaries of Washington County. A link to their specific Census QuickFact has been provided.

County	Census QuickFact	Direction	Population (2008 est)	Population (2000 Census)	Change in Population
Clackamas	QF-41005	SE	380,576	339,512	12.1%
Clatsop	QF-41007	NW	37,404	35,568	5.16%
Columbia	QF-41009	N	49,408	43,657	13.17%
Multnomah	QF-41051	E	714,567	661,766	7.98%
Tillamook	QF-41057	W	24,927	24,253	2.78%
Yamhill	QF-41071	SW	98,168	85,247	15.16%

The Commemorative Quarter for Oregon<4>

Search for Local Businesses

We have prepared the following searches to help you find businesses, travel and vacation activities. It's likely that the search results won't include all of the businesses that are in this area, but the results should give you a good foundation for further searches.

For what it's worth: In addition to helping you submit your own search, clicking 'Other...' will frequently (but not always) show you some popular searches for this area.

If you find an error or your business wasn't included in the results, please contact Google to help them resolve the issue (we simply link to 'Search-by-Location' and have no control over their results).

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Footnotes