Middlesex County is lying in the state of Connecticut. With an area of 439 square miles, Middlesex County is one of the smallest counties in the state, while in population it is near the bottom with 15,507 inhabitants. Middlesex County's population density of suburban makes it one of the least primarily populated areas in the state. The county's largest city is Middletown, with a population of 43,167.

Middlesex County is one of the more wealthy regions in the state. The median income for Middlesex County residents is $59,332, putting the region in in the top fifth of all counties in Connecticut. Reflecting this, the average home value in Middlesex County is $164,260, slightly above the state average of $181,479.    Continued below...