Lawrence township is located in Mercer county New jersey with a geographic area of square miles. The total population in Lawrence township is 3,099 with 46.5% male and 53.5% female. Children under age 5 represent 9.4% of the population, under age 18 equal 25.3% of the population and over age 65 is 12.8% of the population. The median household income is $76,310, per capita income is $28,152. There are a total of 982 housing units with 90.7% owner occupied. Education includes 46.5% of residents that are high school graduates and 18.4% with a bachelor's degree or higher. The average temperature in Lawrence township in the summer is 73 degrees, and in the winter 34 degrees.