Of 16 counties in the state, Kennebec County is 12th in terms of its size (951 square miles). Kennebec County is in Southwest Maine. There is roughly 1,000 acres of farms for sale in Kennebec County, Maine, based on recent Land Network data. The combined market value of farmsand rural real estate for sale here is nearly $1 million. Browse all Kennebec County farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future commercial or lifestyle needs. The most common type of land for sale by combined acreage in Kennebec County is house.