Pierson is located in Woodbury county Iowa with a geographic area of 0.5 square miles. The total population in Pierson is 347 with 49.3% male and 50.7% female. Children under age 5 represent 10.7% of the population, under age 18 equal 31.1% of the population and over age 65 is 11.8% of the population. The median household income is $58,750, per capita income is $24,886. There are a total of 130 housing units with 79.2% owner occupied. Education includes 33.1% of residents that are high school graduates and 9.2% with a bachelor's degree or higher. The average temperature in Pierson in the summer is 72 degrees, and in the winter 23 degrees.