Basic information about the Columbia County
The Columbia County is located in the state of Oregon. This county occupies 689 square miles, with 32 square miles being water areas. There are 49.351 inhabitants living in the county according to the 2010 Census. As for the racial makeup of Columbia County citizens, the 3 largest groups are White (92.5%), followed by Two or More races (3.43%) and American Indian and Alaska Native (1.33%). There are 19.183 households in the county, while 70,46% of them are family households and 29,54% represent non family households. There are 9 cities and towns in Columbia County. The most populated city is St. Helens city and the smallest town or village is Prescott city.