Location, Overview
Cowlitz County is located in southwestern Washington, bordering the Columbia River and the state of Oregon. It sits between the Portland metropolitan area to the south and the central Puget Sound region to the north, making it an important transition zone between coastal and inland Washington. The county includes river valleys, forested hills, and lowland plains shaped by volcanic and glacial history.
Communities, Landscape
The county seat is Kelso, with Longview as the largest city and main economic center. Smaller towns and rural communities are spread along the Cowlitz River and surrounding countryside. Residents experience a mix of urban convenience and rural living, with access to rivers, parks, and nearby mountain foothills. The Columbia River plays a central role in transportation, recreation, and local identity.
Economy, Character
Cowlitz County’s economy is rooted in manufacturing, logistics, forestry, and river-based trade. Agriculture and port activity remain important, while outdoor recreation continues to grow. With its strategic river access, working-class heritage, and strong local communities, Cowlitz County serves as a key gateway between Washington and Oregon.