La Grande is an unincorporated community and census-designated place in Pierce County, Washington, United States. As of the 2020 census, La Grande had a population of 121. La Grande is located along Washington State Route 7 southwest of Eatonville. La Grande has a post office with ZIP code 98348.
This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 ðF (22 ðC). According to the Köppen Climate Classification system, La Grande has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.