Basic information about the Columbia County
The Columbia County is located in the state of Washington. This county occupies 874 square miles, with 6 square miles being water areas. There are 4.078 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 (92.96%), followed by Two or More races (2.67%) and Some Other Race (1.74%). There are 1.762 households in the county, while 65,61% of them are family households and 34,39% represent non family households. There are 2 cities and towns in Columbia County. The most populated city is Dayton city and the smallest town or village is Starbuck town.