<p>For the states that seem to be in question, I am going to use Wikipedia as my source. Here is how they define the area that includes Pennsylvania and Connecticut. </p>
<p>As defined by the U.S. Census Bureau, the Northeast region of the United States covers nine states: Connecticut, Maine, Massachusetts, New Jersey, New Hampshire, New York, Pennsylvania, Rhode Island, and Vermont.</p>
<p>Here is the updated distribution of population:</p>
<p>(100%) 299,498,000 TOTAL</p>
<p>(18%) 54,742,000 NORTHEAST/NEW ENGLAND
19,306,000 New York
12,440,000 Pennsylvania
8,725,000 New Jersey
6,437,000 Massachusettes
3,505,000 Connecticut
1,322,000 Maine
1,315,000 New Hampshire
1,068,000 Rhode Island
624,000 Vermont</p>
<p>(6%) 16,512,000 MID-ATLANTIC
7,643,000 Virginia
5,616,000 Maryland
1,818,000 West Virginia
854,000 Delaware
581,000 Washington, DC</p>
<p>(22%) 65,484,000 SOUTH
18,089,000 Florida
9,364,000 Georgia
8,856,000 North Carolina
6,039,000 Tennessee
4,599,000 Alabama
4,321,000 South Carolina
4,288,000 Louisiana
4,206,000 Kentucky
2,911,000 Mississippi
2,811,000 Arkansas</p>
<p>(12%) 35,307,000 SOUTHWEST
23,507,000 Texas
6,166,000 Arizona
3,679,000 Oklahoma
1,955,000 New Mexico </p>
<p>(22%) 64,800,000 MIDWEST
12,832,000 Illinois
11,478,000 Ohio
10,095,000 Michigan
6,314,000 Indiana
5,843,000 Missouri
5,557,000 Wisconsin
5,167,000 Minnesota
2,982,000 Iowa
2,764,000 Kansas
1,768,000 Nebraska</p>
<p>(17%) 51,006,000 WEST
36,457,000 California
6,396,000 Washington
3,701,000 Oregon
2,496,000 Nevada
1,286,000 Hawaii
670,000 Alaska</p>
<p>(4%) 11,647,000 MOUNTAIN
4,753,000 Colorado
2,550,000 Utah
1,466,000 Idaho
945,000 Montana
782,000 South Dakota
636,000 North Dakota
515,000 Wyoming</p>