Medicaid Expansion by State in 2027: 41 Expansion States
As of September 2026, 41 states — including Washington, D.C. — have adopted the Affordable Care Act (ACA) Medicaid expansion. Ten states haven’t. The expansion generally covers eligible adults up to 138% of the federal poverty level, subject to state and federal rules. But the map alone doesn’t tell you much about 2027. That’s the …