Westport Township is one of twelve townships in Dickinson County, Iowa, USA. As of the 2000 census, its population was 143.

According to the United States Census Bureau, Westport Township covers an area of 35.93 square miles (93.1 km); of this, 35.91 square miles (93.0 km), 99.97 percent is land and 0.01 square miles (0.026 km) and 0.03 percent is water.

• Hagerty at 43°18′47″N 95°19′45″W / 43.313023°N 95.329169°W / 43.313023; -95.329169
• Wallace at 43°16′12″N 95°19′45″W / 43.269968°N 95.329169°W / 43.269968; -95.329169

• Excelsior Township (north)
• Lakeville Township (northeast)
• Okoboji Township (east)
• Summit Township, Clay County (southeast)
• Waterford Township, Clay County (south)
• Harrison Township, Osceola County (west)
• Allison Township, Osceola County (northwest)

The township contains Westport Cemetery.

• Clay Central-Everly Community School District
• Harris-Lake Park Community School District
• Hartley-Melvin-Sanborn Community School District
• Okoboji Community School District

• Iowa's 5th congressional district
• State House District 06
• State Senate District 03

• United States Census Bureau 2007 TIGER/Line Shapefiles
• United States Board on Geographic Names (GNIS)
• United States National Atlas

• US-Counties.com
• City-Data.com