Sidney is located in Fremont county Iowa with a geographic area of 1.4 square miles. The total population in Sidney is 1,007 with 42.6% male and 57.4% female. Children under age 5 represent 6.9% of the population, under age 18 equal 20.4% of the population and over age 65 is 23.5% of the population. The median household income is $52,857, per capita income is $26,186. There are a total of 422 housing units with 70.9% owner occupied. Education includes 28.9% of residents that are high school graduates and 23.5% with a bachelor's degree or higher. The average temperature in Sidney in the summer is 74 degrees, and in the winter 23 degrees.