Mercer County is lying in the state of New Jersey. With an area of 228 square miles, Mercer County is one of the smaller counties in the state, while in population it is near the bottom with 35,076 residents. Mercer County's population density of suburban makes it one of the least predominantly populated areas in the state. The county's largest city is Princeton, with a population of 46,975.

Mercer County is one of the more wealthy regions in the state. The median income for Mercer County residents is $61,580, putting the area in in the top half of all counties in New Jersey. As a reflection this, the average home price in Mercer County is $159,245, slightly below the state average of $179,635.    Continued below...