Estimates of Enrollment in ACA Marketplaces and Medicaid Expansion

The Henry J Kaiser Family Foundation:

As of March 2016, 4.0 million Marketplace enrollees live in red states, 4.4 million live in blue states, and 3.2 million live in purple states. In 2015, about 1.3 million Medicaid expansion enrollees lived in red states, 10.4 million lived in blue states, and 2.3 million lived in purple states.