Jackson Township is a township in Dallas County, Arkansas, United States. Its total population was 190 as of the 2010 United States census, a decrease of 18.10 percent from 232 at the 2000 census.
According to the 2010 Census, Jackson Township is located at (33.846733, -92.532990). It has a total area of ; of which is land and is water (0.01%). As per the USGS National Elevation Dataset, the elevation is .