Which is the most densely populated state?

The most densely populated state in the United States of America is New Jersey. It has a population density of approximately 1,205 people per square mile (465 per square kilometer), which is significantly higher than the national average of 93.4 people per square mile. New Jersey's high population density is influenced by several factors, such as its proximity to major cities like New York and Philadelphia, its role as a transportation hub, and its history as an industrial center.