Jackson Township is a township in Little River County, Arkansas, United States. According to the 2010 Census, Jackson Township is located at 33°43′04″N 94°25′05″W / 33.717820°N 94.418128°W. It has a total area of 38.26 square miles ; of which 38.114 sq mi is land and 0.146 sq mi is water. As per the USGS National Elevation Dataset, the elevation is …Jackson Township is a township in Little River County, Arkansas, United States. According to the 2010 Census, Jackson Township is located at 33°43′04″N 94°25′05″W / 33.717820°N 94.418128°W. It has a total area of 38.26 square miles ; of which 38.114 sq mi is land and 0.146 sq mi is water. As per the USGS National Elevation Dataset, the elevation is 449 feet.