Citadel Federal Credit Union is a not-for-profit, member-owned credit union headquartered in Exton, Chester County, Pennsylvania, with approximately $6.6 billion in assets and 25 branches. Founded in 1937, it serves more than 285,000 members across southeastern Pennsylvania and neighboring states. In March 2026, Citadel converted to a Federal Multiple Common Bond charter, significantly broadening its membership eligibility and geographic reach.
