Greenwood is located in Cass county Nebraska with a geographic area of 0.4 square miles. The total population in Greenwood is 489 with 51.1% male and 48.9% female. Children under age 5 represent 3.5% of the population, under age 18 equal 20.7% of the population and over age 65 is 20.0% of the population. The median household income is $79,375, per capita income is $31,917. There are a total of 185 housing units with 85.4% owner occupied. Education includes 33.5% of residents that are high school graduates and 23.8% with a bachelor's degree or higher. The average temperature in Greenwood in the summer is 72 degrees, and in the winter 26 degrees.