Sisco Heights, Washington

Sisco Heights is a census-designated place (CDP) in Snohomish County, Washington, United States. It is located between Arlington and Marysville along State Route 9. As of the 2020 U.S. census, it had a population of 3,140 people.^[1]

Sisco Heights, Washington
CDP
Sisco Heights, Washington
Coordinates: 48°07′08″N 122°6′27″W
Country	United States
State	Washington
County	Snohomish
Area
• Total	12.53 sq mi (32.5 km2)
Elevation	449 ft (137 m)
Population  (2020)
• Total	3,140
• Density	250/sq mi (97/km2)
• Summer (DST)	Pacific
Area code	360

History

A post office called Sisco was established in 1902, and remained in operation until 1918.^[2] The community has the name of an early settler.^[3] Its school closed around 1925.^[4]

Geography

The Sisco Heights CDP is 12.53 square miles (32.5 km²).