Algona (/ælˈɡoʊnə/)[5] is a city in King County, Washington, United States, and the Seattle metropolitan area, surrounded by the suburbs of Auburn to the north and east, Pacific to the south, and unincorporated King County to the west.

According to the United States Census Bureau, the city has a total area of 1.29 square miles (3.34 km2), all of it land.

There were 1,018 housing units at an average density of 789.1 per square mile (304.7/km2).

17.0% of all households were made up of individuals, and 3.8% had someone living alone who was 65 years of age or older.

There were 878 housing units at an average density of 652.3 per square mile (251.1/km2).

18.6% of all households were made up of individuals, and 3.8% had someone living alone who was 65 years of age or older.

However, the remaining precinct was sufficiently Democratic to give Kerry a moderate majority overall.

Tim's Cascade Snacks is headquartered in Algona and has a processing plant in the city that employs 80 people.