What county in Washington was the Nisqually Mission established?
DuPont, Washington DuPont is a city in Pierce County, Washington, United States. The population was 8,199 at the 2010 census.
Walla Walla County, Washington Walla Walla County is a county located in the U.S. state of Washington. As of the 2010 census, its population was 58,781. The county seat and largest city is Walla Walla. The county was formed on April 25, 1854 and is named after the Walla Walla tribe of Native Americans.