Nyssa is located in Malheur county Oregon with a geographic area of 1.6 square miles. The total population in Nyssa is 3,176 with 46.9% male and 53.1% female. Children under age 5 represent 11.1% of the population, under age 18 equal 38.4% of the population and over age 65 is 10.8% of the population. The median household income is $44,434, per capita income is $15,831. There are a total of 1,116 housing units with 55.6% owner occupied. Education includes 22.2% of residents that are high school graduates and 12.7% with a bachelor's degree or higher. The average temperature in Nyssa in the summer is 72 degrees, and in the winter 35 degrees.