Every Merrill resident or rural Plymouth County resident who has a Merrill Public Library card in good standing may borrow items from the library's collection. Also any resident of another Iowa town or city approved for reciprocal borrowing through the Open Access Program may borrow items from this library's collection.
Children at least 9 years old are eligible for a library card according to the discretion of their parents or legal guardian. Parental signature is required for persons under age 14. Responsibility for a child's selection and return of materials and any fines or charges accrued on the child's card is held by the parent or guardian of the child.