The value of all farms, ranches, and rural real estate for sale in Kansas's Smith County recently was nearly $10 million, representing a combined 1,358 acres of land for sale in Smith County. Smith County ranks 58th out of 105 counties in the Sunflower State for the total acreage of land currently advertised for sale. Of all land for sale in Smith County, Smith Center had the most land for sale. Smith County has a large agricultural economy, with 497 farms recorded in the county during the latest U.S. Census. Farming activities in Smith County generate annual revenues of $13 million, most of which is from crops. Smith County is Kansas's 31st biggest county (896 square miles). It's located in the Tallgrass Prairie Kansas region of Kansas.