Paraphrase this best answer gets ! the northeast united states has two sub regions, new england and the mid-atlantic states. new england rest of maine, new hampshire, massachusetts, connecticut, vermont and rhode island. the remaining northeastern states — new york, pennsylvania and new jersey — are in the mid-atlantic region. according to the census bureau, as of 2005, the northeast region accounts for 18.4 percent of the population from the united states.