Jackson Township is a township in Nevada County, Arkansas, United States. Its total population was 105 as of the 2010 United States census, a decrease of 41.34 percent from 179 at the 2000 census.
According to the 2010 Census, Jackson Township is located at (33.597099, -93.158403). It has a total area of ; of which is land and is water (0.06%). As per the USGS National Elevation Dataset, the elevation is .