The value of all land and rural real estate for sale in Linn County, Oregon, recently was around $181 million, representing a combined 5,988 acres of land for sale in Linn County. Linn County ranks 11th out of 36 counties in the Union State for the total acreage of land currently advertised for sale. Of all farms and ranches for sale in Linn County, Lebanon featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Linn County. Linn County is Oregon's 15th largest county (2,306 square miles). It's located in the Northwest Oregon region of Oregon.