Douglas Township is a township in Clay County, Iowa, USA. As of the 2010 United States census, its population was 168.
Douglas Township was created in 1860.
In the 2000 United States census, Douglas had a total population of 212, bearing 162 adults 7 non-white residents.
Douglas Township covers an area of and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Douglas Township, Fanny Fern and Zion.