, preterm births are less common in Elmhurst and Corona than in other places citywide, but births to teenage mothers are more common. In Elmhurst and Corona, there were 83 preterm births per 1,000 live births (compared to 87 per 1,000 citywide), and 25.8 births to teenage mothers per 1,000 live births (compared to 19.3 per 1,000 citywide). Elmhurst and Corona have a high population of residents who are uninsured. In 2018, this population of uninsured residents was estimated to be 25%, which is higher than the citywide rate of 12%.