Diamond Lake Township is one of twelve townships in Dickinson County, Iowa, USA. As of the 2000 census, its population was 296. Geography According to the United States Census Bureau, Diamond Lake Township covers an area of 28.79 square miles (74.58 square kilometers); of this, 28.26 square miles (73.19 square kilometers, 98.14 percent) is land and 0.53 square miles (1.38 square kilometers, 1.85 percent) is water. Unincorporated towns Montgomery at (This list is based on USGS data and may include former settlements.) Adjacent townships Spirit Lake Township (east) Center Grove Township (southeast) Lakeville Township (south) Excelsior Township (southwest) Silver Lake Township (west) Major highways Iowa Highway 86 Lakes Diamond Lake Welsh Lake School districts Harris-Lake Park Community School District Spirit Lake Community School District Political districts Iowa's 5th congressional district State House District 06 State Senate District 03 References United States Census Bureau 2007 TIGER/Line Shapefiles United States Board on Geographic Names (GNIS) United States National Atlas External links US-Counties.com City-Data.com Townships in Dickinson County, Iowa Townships in Iowa