About 11.7 million people enrolled in Medicaid or the Children’s Health Insurance Program between Oct. 1, 2013 and Feb. 28, 2015, increasing total enrollment in the programs by 20.3% since the start of the first open enrollment period for the Health Insurance Marketplace, according to a report released Friday by the Centers for Medicare & Medicaid Services. The preliminary estimate is based on 48 states and the District of Columbia reporting both February enrollment data and baseline data from July through September 2013. More than 69.5 million people were enrolled in Medicaid or CHIP in those states as of Feb. 28, with Medicaid expansion states showing a 27% increase and non-expansion states showing an 8% increase. Nearly 562,000 people enrolled in Medicaid or CHIP in February. The second open enrollment period for the Health Insurance Marketplace ended Feb. 15. Medicaid and CHIP enrollment continues year round.