Columbia County
Columbia county is located in northwest Oregon. Columbia county has 657.36 square miles of land area and 30.97 square miles of water area. As of 2010, the total Columbia county population is 49,351, which has grown 13.29% since 2000. The population growth rate is higher than the state average rate of 11.97% and is higher than the national average rate of 9.71%. Columbia county median household income is $55,199 in 2006-2010 and has grown by 20.53% since 2000. The income growth rate is higher than the state average rate of 13.79% and is higher than the national average rate of 19.17%. Columbia county median house value is $219,800 in 2006-2010 and has grown by 45.85% since 2000. The house value growth rate is lower than the state average rate of 60.75% and is lower than the national average rate of 50.42%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Columbia county is close to the state average in quality. The Columbia county area codes are 503, 971.
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