Together, these states makeup over 181 square miles and have a combined estimated population of 55,943,073. There are approximately 345.5 people per square mile in the Northeast, making this the most densely populated region in the U.S. The Northeast region is one of the most urban areas in the United States. It also leads the nation as the most economically developed and culturally diverse region.
Based on 2017 Census Bureau estimates, the state of New York is the most populous in the Northeast with a population of over 19.8 million people. Pennsylvania is second-most populous with a population of over 12.8 million. These are the only two states as of November 2018 to have a population of over 10 million people. The least populous states are Vermont and Delaware, each of which has populations of less than 700,000.
In terms of area, Maryland is the largest at over 9,700 square miles. Vermont and New Hampshire also top the list of the largest states in the Northeast by area. The smallest state by area is Rhode Island, which is just over 1,033 square miles.
According to the U.S. Census Bureau, these states are further divided into two subregions. The Mid-Atlantic states are made up of New Jersey, New York, Pennsylvania. The remaining six states are classified as New England.
Other definitions of this region include the states of Delaware, Maryland, Washington D.C., West Virginia, and Virginia.
The nine states as defined by the U.S. Census Bureau occupy a total area of 181, 324 square miles. Estimates from 2013 show that the total region has a population of nearly 56 million. The Northeast is the most densely populated region in the United States with an average of 345.5 people per square mile. The Northeast is very urbanized, with about 85% of the region’s total population living in urban areas.
When looking at each individual state, New Year by far has the largest population. Estimates from 2017 show that the population was nearing 20 million people. Pennsylvania is the next most populous state with over 12.8 million people living here. These are the only states in this region with populations that exceed 10 million. Other most populous states include New Jersey and Massachusetts.
The largest state by area is Maryland, which has a total area of over 9.7 million square miles. Vermont, New Hampshire, and Massachusetts are also among the largest states by area.
The smallest Northeastern state by population is Vermont, which has a population estimated to be over 623,000. The District of Columbia and Delaware are also the least populous states, each with populations of less than 1 million.
The smallest state by area is Rhode Island, which is also the smallest state in the United States. It has an area of just over 1,030 square miles. Delaware is another small state with a total area of over 1,948 square miles.