There are 232 K-12 Schools in Mercer County, New Jersey, serving a population of 373,362 people in an area of 225 square miles. There is 1 K-12 School per 1,609 people, and 1 K-12 School per square mile.
In New Jersey, Mercer County is ranked 3rd of 21 counties in K-12 Schools per capita, and 8th of 21 counties in K-12 Schools per square mile.