Northeastern US States: The Nine-State Region

The U.S. Census Bureau defines the Northeast as nine states:

1. Connecticut
2. Maine
3. Massachusetts
4. New Hampshire
5. New Jersey
6. New York
7. Pennsylvania
8. Rhode Island
9. Vermont

Subregions

• New England (6): CT, ME, MA, NH, RI, VT
• Mid-Atlantic (3): NJ, NY, PA

Key Metrics

• Population: ~57M (2023) — 17% US in 5% land area
• Density: 345/mi² (vs. 94 US avg) — most dense region
• GDP: ~$4.8T — 19% US; NY ($2.0T) + PA ($0.9T) + MA ($0.7T) = 75%
• Education: Highest BA+ rate (MA 46%, CO 44% — wait, CO not NE; MA, CO, MD, NJ, CT top 5)
• Politics: 7/9 states Biden 2020; PA swing

Historical Note

All 9 were original colonies (VT claimed by NY/NH, admitted 1791). The Northeast defined early US industry, finance, education, and immigration patterns.