There was a combined $8 million of farms, ranches, hunting land and other land for sale in Nebraska's Polk County recently on Land.com. The total size of all Polk County land for sale was almost 1,000 acres. Polk County ranks 44th in the Cornhusker State for the total acreage of land currently advertised for sale. Polk had the most land for sale. Agriculture and farming drives the Polk County economy, with 466 farms recorded in the county during the U.S. Census in 2012. Farming activities in Polk County generate annual revenues of $7 million, most of which is from crops. Polk County is the 83rd biggest county (440 square miles) in Nebraska. It's located in the Southeast Nebraska region of Nebraska.