Galva is located in Ida county Iowa with a geographic area of 0.8 square miles. The total population in Galva is 420 with 47.6% male and 52.4% female. Children under age 5 represent 11.0% of the population, under age 18 equal 30.2% of the population and over age 65 is 9.8% of the population. The median household income is $50,625, per capita income is $22,724. There are a total of 163 housing units with 80.4% owner occupied. Education includes 39.3% of residents that are high school graduates and 3.7% with a bachelor's degree or higher. The average temperature in Galva in the summer is 72 degrees, and in the winter 23 degrees.