Kelso Real Estate & Homes for Sale
Located on Interstate 5, Kelso is at the confluence of the Cowlitz, Coweeman and Columbia Rivers. Kelso is 48 miles north of Portland, Oregon and 125 miles south of Seattle. Kelso is also only 80 miles east of the Pacific Ocean. Kelso is a city in southwest Washington State and is the county seat of Cowlitz County. At the 2010 Census, the population was 11,925. Kelso shares its long western border with Longview, Washington.