Puyallup is a city in Pierce County, Washington, United States. It is on the Puyallup River about 10 miles southeast of Tacoma and 35 miles sou…Puyallup is a city in Pierce County, Washington, United States. It is on the Puyallup River about 10 miles southeast of Tacoma and 35 miles south of Seattle. The city had a population of 42,973 at the 2020 census.