Navigate: 1  What is Rheumatoid Arthritis? 2  The causes of RA. 3  Rheumatoid Arthritis symptoms. 4  Diagnosing RA. 5  Rheumatoid Arthritis (RA) vs. Osteoarthritis (OA) 6  Next steps.
As of the 2010 census, the population was 116,672. The county seat is Albany. The county is named in honor of Lewis F. Linn, a U.S. Senator from Missouri who advocated the American settlement of the Oregon Country. Linn County comprises the Albany, OR Metropolitan Statistical Area, which is included in the Portland-Vancouver-Salem, OR-WA Combined Statistical Area.
The area's population is estimated at 2,348,247 in 2014. The Oregon portion of the metropolitan area is the state's largest urban center, while the Washington portion of the metropolitan area is the state's third largest urban center after Seattle (the Seattle Urban Area includes Tacoma and Everett) and Spokane.he PortlandâVancouverâHillsboro Metropolitan Statistical Area (MSA), the 23rd largest in the United States, has a population of 2,226,009 (2010 Census).