Using average monthly costs for semiprivate rooms as a guide, Monmouth County’s seniors benefit from some of the most affordable fees in the surrounding areas. Although $10,783 per month is above the U.S. average of $7,756, New Jersey is the 10th-most-expensive state in the country, making Monmouth County’s costs particularly affordable when compared to the state average of $11,254. Only Atlantic City has lower costs at $9,277, while Vineland averages $10,950. In nearby NYC, seniors can expect to pay $11,771, while in Philadelphia, the average is $11,285.