Lewis County is a county located in Washington. As of the 2016, the population was 77,066. The county seat is Chehalis, and its largest city is Centralia.

History Edit

The county was created on December 19, 1845, by the Provisional Government of Oregon, and originally named after George Vancouver. In 1849 the county was renamed after Meriwether Lewis.

Geography Edit

According to the U.S. Census Bureau, the county has a total area of 2,436 square miles (6,310 km2), of which 2,403 square miles (6,220 km2) is land and 33 square miles (85 km2) (1.4%) is water.

One of the world's tallest Douglas fir trees ever recorded was in the town of Mineral within Lewis County, attaining a height of 120 metres (390 ft).

Lewis County logo.


Old Lewis County seal.