Greenhorn City is a United States city located in the Baker and Grant counties, Oregon, United States. As per the 2000 census, city has a population of 0 inhabitants. making it the least populous in Oregon. The city comprises an area of 0.1 miē (0.26 kmē), giving it the seventh smallest by total area among Oregon.
As of the census of 2000, there were people in the city, organized into 16 households, and 12 families living in the city. The population density was 0 people per square mile (0/kmē), making its Oregon's least densely populated city. There were 7 housing units at an average density of 70 per square mile (27.03/kmē). The average household size was 0 people, and the average family size was 0 people. The population's age distribution was 0% under the age of 18, 0% from 18 to 24, 0% from 25 to 44, 0% from 45 to 64, and 0% who were 65 or older. For every 100 females there were 0 males. For every 100 females age 18 and over, there were 0 males. The median age is 0 years, the median age of male residents at 0 and the median age of female residents at 0. The racial or ethnic makeup of the city was 0% White, 0% Black or African American, 0% American Indian, 0% Asian, 0% Native Hawaiian, 0% from two or more races and 0% Other races.
