Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. WAllace County (standard abbreviation: WA) is a county located in the U.S. State of Kansas. AS of 2000, the population was 1,749. IT has the second lowest population of any county in Kansas. GReeley County has the lowest. ITs county seat is Sharon Springs.IT was created in 1868 and named in honor of Brigadier general W.H.L. WAllace who was a veteran of the Mexican-American War and a casualty of the Battle of Shiloh.WAllace County is home to Mount Sunflower, the highest point in Kansas at 4,039 feet (1,231 meters). MOunt Sunflower is located approximately 15 miles north-northwest of Weskan, less than one mile from the Colorado state line.