There are too many factors to give an estimate.
Two sites that may give you a useful answeer.
There are various insurance companies in providing health insurance at different prices. For a family of 3, which includes insured, spouse and a child, Harvard Pilgrim HealthCare plan is available at Dollar 1070 per month while Fallon Health offers protection for Dollar 1250. These are prices calculated without a subsidy and if you qualify for a subsidy or discount, the prices may go further down. You too can enquire about insurance companies in your locality that offer these services, however, the prices aren't expected to vary widely.
I was only thirteen years old when I got introduction of such insurance policies. Usually, I love to visit https://www.assignmenthelper.com.au/economics-assignment-help/ homepage to get help in assignment writing. I participated in this event along with my family. Believe me, this event motivated me to become a beach ballplayer in my future life.