The details and current status of data requests submitted through the Data Request Help Desk page can be seen here.
Enrollment in federal marketplace QHPs by county
Enrollment in plans bought on the federal marketplace (healthcare.gov) by county for the first and second open enrollment periods and 2015 tax extension, and future years. Breakdown by plan details (metal tier, income, subsidy status) and demographics (age, gender, race/ethnicity)by county would be welcome and extremely useful as well.
Replied to email.
Thank you for your inquiry. When searching for "HealthCare" on Data.gov, we found 250 datasets, including:
There is also this data we found: http://aspe.hhs.gov/health/reports/2015/uninsured_change/ib_uninsured_change.pdf
and you may want to take a look at: