Marsing is located in Owyhee county Idaho with a geographic area of 0.7 square miles. The total population in Marsing is 1,379 with 48.2% male and 51.8% female. Children under age 5 represent 4.4% of the population, under age 18 equal 29.9% of the population and over age 65 is 16.2% of the population. The median household income is $39,583, per capita income is $17,266. There are a total of 552 housing units with 55.8% owner occupied. Education includes 32.4% of residents that are high school graduates and 8.5% with a bachelor's degree or higher. The average temperature in Marsing in the summer is 71 degrees, and in the winter 24 degrees.