Del-One Federal Credit Union is headquartered in Dover and is the largest credit union in the state of Delaware. It is also the 591st largest credit union in the nation. It was established in 1960 and as of March of 2025, it had grown to 181 employees and 88,039 members at 15 locations. Del-One Federal Credit Union has a B+ health rating.
Membership in Del-One Federal Credit Union is open to all residents of Delaware through joining the Del-One Foundation ($12 membership fee). Membership is also open to those who live, work, worship, or attend school in the Town of Georgetown, City of Milford, City of Newark, City of Wilmington or the West Dover area. Membership is also open to State of Delaware employees, as well as employees/retirees of more than 200 Select Employer Groups.
See current membership details
