High Quality Content by WIKIPEDIA articles! Walnut Township is a township in Barton County, Kansas, USA. As of the 2000 census, its population was 474.Walnut Township covers an area of 35.93 square miles (93.1 km2) and contains two incorporated settlements: Albert and Olmitz. According to the USGS, it contains one cemetery, Saint Anthony.The streams of Boot Creek and Dry Creek run through this township.Barton County (county code BT) is a county located in Central Kansas, in the Central United States. The population was 28,205 at the 2000 census, and it was estimated to be 27,511 in the year 2006. Its county seat and most populous city is Great Bend. The county is named in honor of Clara Barton, responsible for the founding of the American Red Cross.