A total of approximately 6,000 acres were listed for sale in Colusa County recently, representing a total value of nearly $87 million in Colusa County farms and ranches for sale. Colusa County ranks 55th in the Golden State for the total number of acres of land currently advertised for sale. Of all locations in Colusa County with farms and ranches for sale, Colusa had the most land for sale. Agriculture and farming drives the Colusa County economy, with 782 farms recorded in the county during the U.S. Census in 2012. Farming activities in Colusa County generate annual revenues of $21 million, most of which is from crops. Colusa County is California's 40th largest county (1,156 square miles). It's located in the Central Valley California region of the state.