Baldwin is located in Jackson county Iowa with a geographic area of 0.4 square miles. The total population in Baldwin is 125 with 47.2% male and 52.8% female. Children under age 5 represent 4.0% of the population, under age 18 equal 16.0% of the population and over age 65 is 15.2% of the population. The median household income is $36,667, per capita income is $20,693. There are a total of 60 housing units with 91.7% owner occupied. Education includes 58.3% of residents that are high school graduates and 6.7% with a bachelor's degree or higher. The average temperature in Baldwin in the summer is 71 degrees, and in the winter 23 degrees.