Credit unions and banks offer largely the same core products — checking, savings, loans, credit cards — but the underlying ownership structure creates real, practical differences worth understanding before choosing where to bank.

The core structural difference

Banks are for-profit institutions owned by shareholders. Credit unions are nonprofit, member-owned cooperatives — every account holder is technically a partial owner. This difference shapes how each type of institution typically prioritizes rates and fees versus returns to shareholders.

Side-by-side comparison

Credit unionsBanks
OwnershipMember-owned, nonprofitShareholder-owned, for-profit
Typical ratesOften better savings rates, lower loan ratesVaries widely, often less competitive
Typical feesOften lower or fewerMore common, especially at large banks
Membership requirementYes — must meet eligibility criteriaNone — open to the public
Branch/ATM network sizeOften smaller, though shared networks existLarger for national banks
Deposit insuranceNCUA-insuredFDIC-insured

How credit union membership works

Credit unions require membership eligibility, historically tied to an employer, geographic area, or organization. Many credit unions have significantly broadened eligibility in recent years, sometimes allowing membership through a small donation to an affiliated nonprofit — worth checking even if you don't obviously qualify at first glance.

Shared branching expands access

Many credit unions participate in shared branching networks, letting members do everyday transactions at thousands of other participating credit union branches nationwide — narrowing the convenience gap with large national banks.

When a credit union tends to make more sense

  • You value better savings rates and lower loan rates over the largest possible branch network.
  • You qualify easily for membership through work, location, or family.
  • You're building or rebuilding credit and want a more relationship-based approach to underwriting.

When a traditional bank tends to make more sense

  • You travel frequently and want the largest possible branch and ATM network.
  • You want the widest range of specialized products (certain business or investment services).
  • You don't have convenient access to a credit union you're eligible to join.