There was a combined nearly $14 million of farms, ranches, and rural real estate for sale in Garfield County recently on Land.com. The total size of all Garfield County farms, ranches, hunting land and other land for sale was 100,000 acres. Garfield County ranks 41st out of 56 counties in the Treasure State for the total number of acres of land currently advertised for sale. Jordan had the most land for sale. Garfield County has a large agricultural economy, with 297 farms recorded in the county during the latest U.S. Census. Farming activities in Garfield County generate annual revenues of $4 million, the majority of which comes from livestock products. Garfield County is one of the ten biggest counties in Montana (4,849 square miles). It's located in the Missouri River Country Montana region of Montana.