There was a total of $13 million of farms, ranches, hunting land and other land for sale in Linn County recently on Land.com. The total size of all Linn County farms, ranches, hunting land and other land for sale was around 2,000 acres. Linn County ranks 90th out of 115 counties in the Ozark State for the total acreage of land currently advertised for sale. Marceline had the most land for sale. Linn County is the 50th largest county (621 square miles) in Missouri. It's located in the Northwest Missouri region of the state.