The 11 Easternmost U.S. States: Geographic Definition

The 11 easternmost states are defined by their longitudinal extent—those with territory farthest east in the United States.

The List (West to East by Westernmost Longitude)

1. Maine (West Quoddy Head: 66°57′W — easternmost point in US)
2. Vermont
3. New Hampshire
4. Massachusetts
5. Rhode Island
6. Connecticut
7. New York (includes Long Island, extending to 71°51′W)
8. New Jersey
9. Pennsylvania
10. Maryland
11. Delaware

Alternative Definitions

• New England (6): ME, VT, NH, MA, RI, CT
• Mid-Atlantic (5): NY, NJ, PA, MD, DE
• East Coast (14): Adds VA, NC, SC, GA, FL
• Eastern Time Zone (17+): Includes MI, IN, KY, TN, OH, etc.

Geographic Nuances

• Maine's West Quoddy Head (44°49′N, 66°57′W) = easternmost US point
• Florida's Ballast Key (24°31′N, 81°58′W) = southernmost
• Alaska's Semisopochnoi (51°57′N, 179°46′E) = easternmost by longitude (crosses 180°)
• These 11 states = contiguous US easternmost by western boundary

Regional Significance

• Original 13 colonies: 10 of 11 (excludes Vermont, adds GA)
• Population: ~70 million (21% of US)
• GDP: ~$14 trillion (55% of US)
• Historical: Colonial settlement, industrialization, immigration gateways

This grouping reflects longitudinal geography, not cultural or political regions—though it closely aligns with the Northeast Census region.