Baldwin is located in Nassau county New york with a geographic area of 4.1 square miles. The total population in Baldwin is 32,939 with 49.3% male and 50.7% female. Children under age 5 represent 5.0% of the population, under age 18 equal 20.8% of the population and over age 65 is 15.5% of the population. The median household income is $121,630, per capita income is $45,649. There are a total of 10,718 housing units with 86.5% owner occupied. Education includes 19.9% of residents that are high school graduates and 47.3% with a bachelor's degree or higher. The average temperature in Baldwin in the summer is 70 degrees, and in the winter 27 degrees.