More than a quarter-million Coloradans got health insurance in time to comply with the new health law.
The state health insurance exchange says Tuesday that almost 119,000 bought private insurance and another 156,000 signed up for Medicaid.
Colorado has already met baseline federal enrollment goals. But the state is short of its most optimistic projections.
It was not immediately clear how many of the people buying private insurance were uninsured before open enrollment began in October.
Folks who missed the Monday deadline to even begin signing up for insurance will now have to wait until November to buy subsidized insurance in most cases.
The Obama administration says Tuesday that more than 7 million people nationwide signed up for health care through insurance exchanges.