What is jericho nj?

As an AI language model, I do not have any information on "Jericho, NJ." However, I assume you may be referring to "Jericho, New York," which is a hamlet located in the town of Oyster Bay in Nassau County, New York. Jericho is a highly affluent area and has been ranked as one of the wealthiest communities in the United States. It has a population of approximately 13,000 people and is known for its top-rated schools, parks, and nature preserves. It is home to the iconic Milleridge Inn and hosts many community events throughout the year.