About the Beautiful Chehalis Valley
Lewis County is one of thirty-nine counties in Washington State. Created on December 19, 1845, it is named after Captain Meriwether Lewis of the Lewis and Clark Expedition. The county seat is at Chehalis, and its largest city is Centralia. Other communities include Napavine, Winlock, Toledo, Pe Ell, Mossyrock, and Vader.
Lewis County has an estimated population of 72,449, with a population density of approximately 30 persons per square mile. It has an area of 2,436 square miles. The county is home to many geographic features, such as the Cascade Mountains; the Chehalis, Cowlitz, and Nisqually Rivers; and Lake Mayfield. There are two major highways: Interstate 5 and United States Highway 12.
Large industries in Lewis County include manufacturing, mining, and retail trade. There are several school districts within Lewis County, which are Adna, Boistfort, Centralia, Chehalis, Evaline, Morton, Mossyrock, Napavine, Onalaska, Pe Ell, Toledo, Vader, White Pass, and Winlock.
For more information on Lewis County, please visit www.co.lewis.wa.us.