Yardville is located in Mercer county New jersey with a geographic area of 4.1 square miles. The total population in Yardville is 6,208 with 47.1% male and 52.9% female. Children under age 5 represent 5.3% of the population, under age 18 equal 14.6% of the population and over age 65 is 20.9% of the population. The median household income is $103,176, per capita income is $46,289. There are a total of 2,338 housing units with 86.1% owner occupied. Education includes 35.7% of residents that are high school graduates and 29.8% with a bachelor's degree or higher. The average temperature in Yardville in the summer is 73 degrees, and in the winter 34 degrees.
