Monmouth County is a county located in the U.S. state of New Jersey, within the New York metropolitan area. As of the 2000 Census, the population was 615,301, which had grown to 642,030 as of the Bureau's 2007 estimate. Its county seat is Freehold Borough. The most populous municipality is Middletown Township with 66,327 residents at the time of the 2000 Census. It is the northernmost county on the Jersey Shore.Monmouth County ranks 42nd among the highest-income counties in the United States. It also is ranked 53rd in the United States by personal per-capita income.
Ocean County is a county located along the Jersey Shore in the U.S. state of New Jersey. It is the southernmost county in the New York metropolitan area. Its county seat is Toms River, which, like the county itself, has been one of the fastest growing areas of the state since the 1990s. As of the United States 2000 Census, the population was 510,916. The 2007 Census estimate for the county was approximately 558,531, making Ocean County the fastest growing in the state of New Jersey. Ocean County was established in 1850 from portions of Monmouth County except for Little Egg Harbor Township which seceded from Burlington County in 1891.