Main Page | See live article | Alphabetical index Greenhorn is a location located in Oregon. As of the 2000 census, the location had a total population of 0. Geography \nAccording to the United States Census Bureau, the location has a total area of 0.3 km² (0.1 mi²). None of the area is covered with water. Demographics \nAs of the census of 2000, there are no people living in the location This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.