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Columbia County, Oregon

Open an interactive map for Columbia and the surrounding area.

The 2000 Census showed that Columbia County had a population of 43,657 people. This represented 1.27% of the total population of Oregon, making it the state's 18th most populous county (out of 36 counties).

From the Census estimates for 2008 ^<1>, Columbia had a population of 49,408 people. This is an increase of 13.17% since the 2000 Census.

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

Year	Population	Change Since 2000	Year-to-Year Change
2008	49,408	+13.17%	+1.01% since 2007
2007	48,914	+12.04%	+1.46% since 2006
2006	48,212	+10.43%	+2.56% since 2005
2005	47,008	+7.68%	+1.66% since 2004
2004	46,241	+5.92%	+1.24% since 2003
2003	45,675	+4.62%	+1.15% since 2002
2002	45,155	+3.43%	+2.08% since 2001
2001	44,233	+1.32%	+1.32% since 2000
---
2000	43,657	The Last Census

Columbia County had 17,572 Housing Units ^<2> at the time of the 2000 Census.

The 2000 Census shows that Columbia County has a total area ^<3> of 688 square miles [1,782 km²]. Of this total, 656 square miles [1,700 km²] of the area is land, with the balance (4.59%) being water (31.61 square miles [81.9 km²]).

Using the above population and land area values, Columbia County had a population density of 66.5 people per square mile [25.67 people/km²], making it the state's 9th 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 Columbia County is available. The QuickFact also contains a comparison between Columbia and the state of Oregon.

Click here for the Columbia County QuickFact (QF-41009).

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

Community

Census
QuickFact

Population
(2008 est)

Population
(2000 Census)

Change in
Population

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

County	Census QuickFact	Direction	Population (2008 est)	Population (2000 Census)	Change in Population
Clatsop	QF-41007	W	37,404	35,568	5.16%
Washington	QF-41067	S	529,216	448,509	17.99%
Multnomah	QF-41051	SE	714,567	661,766	7.98%
Clark (WA)	QF-53011	SE	424,733	347,526	22.22%
Cowlitz (WA)	QF-53015	NE	101,254	92,999	8.88%
Wahkiakum (WA)	QF-53069	NW	4,133	3,837	7.71%

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).

Other Roadside Stops

About Oregon

Find a Community within Oregon

Off-the-Road Links

U.S. Census Bureau

Census QuickFact for Columbia County

The following websites contain collections of photos taken around Columbia County:

Flickr.com

Panoramio.com

Looking for more websites and/or information centered on Columbia? Please visit the Map Page for Columbia.

Footnotes

<1>	On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2000 Census and the next count will be for the 2010 Census. For more information, please visit the U.S. Census Bureau. - Return to Citation
<2>	A Housing Unit is a broad term for those places where people live, whether occupied or temporarily vacant, such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway). - Return to Citation
<3>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Columbia. The value given by the Census Bureau reflects their statistical (or sampling) requirements. - Return to Citation
<4>	All Quarter-dollar coin images from the United States Mint. - Return to Citation

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Last Modified: 09 Sep 2009