Gray County is in High Plains Kansas. Of the 105 counties in the Sunflower State, 869-square-mile Gray County ranks 39th by size. A recent survey of Land Network data includes about 1,000 acres of residential land for sale in Kansas's Gray County, which is valued at a combined $3 million. The average price of residential acreage for sale in Gray County was $264,446. The county has a rural, farm-based economy. Browse all residential land and rural property for sale in Kansas to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.