What Is a Credit Union? And Should You Switch From a Bank?

Credit unions offer lower fees and better rates than most big banks — but they're not right for everyone. Here's how to decide if you should switch.

Credit Union vs. Bank: The Key Differences

If you've only ever banked at a large national bank, you might not have thought much about credit unions. But credit unions have been quietly offering better deals to their members for decades — and millions of people are switching.

The fundamental difference comes down to ownership. A bank is a for-profit corporation owned by shareholders. Its goal is to generate profit — which it does, in part, through fees and the spread between interest rates it charges borrowers and pays depositors.

A credit union is a not-for-profit financial cooperative owned by its members — the people who have accounts there. When a credit union earns more than it needs to operate, it returns that surplus to members in the form of lower fees, better loan rates, and higher savings rates. There are no outside shareholders to pay.

This structural difference has real, practical effects on your finances.

The Pros of Credit Unions

Lower fees — or no fees at all Many credit unions charge no monthly maintenance fees, no minimum balance fees, and no overdraft fees (or significantly lower ones). Nationally, the average monthly checking fee at a big bank is $13–$15. At credit unions, the average is under $6 — and many charge nothing.

Better rates on loans Because credit unions aren't trying to maximize profit, they typically offer lower interest rates on auto loans, personal loans, mortgages, and credit cards. The difference on an auto loan can be 1–3 percentage points — on a $25,000 car over 5 years, that's $1,500–$3,000 in savings.

Higher rates on savings Credit unions typically pay higher APY on savings accounts and CDs than big traditional banks. The difference isn't always huge — online high-yield savings accounts often compete — but credit unions consistently outperform the major brick-and-mortar banks.

Member ownership As a member-owner, you have voting rights. You can vote in board elections and have a real (if small) voice in how the institution is run. This isn't just symbolic — it creates accountability to members rather than to shareholders.

More personalized service Credit unions tend to be smaller and more community-oriented. Members often report more flexible underwriting (they'll look at your whole story, not just your credit score), more willingness to work with you during hardship, and more personalized customer service.

The Cons of Credit Unions

Credit unions aren't perfect for everyone. Here are the real drawbacks:

Membership requirements Every credit union has eligibility requirements. You might need to live in a certain area, work for a specific employer, belong to a particular profession, or join an affiliated organization. Some credit unions have broad membership — anyone in the U.S. can join — but others are more restrictive.

Fewer branches Most credit unions operate locally with a limited number of physical branches. If you travel frequently or need in-person banking services in multiple cities, this can be inconvenient. Big banks win on physical footprint.

Smaller ATM networks — and potential fees Credit unions typically participate in shared ATM networks (like Co-op, which has 30,000+ ATMs) so out-of-network fees are manageable. But if you're used to a big bank's branded ATMs on every corner, the adjustment takes some getting used to.

Technology gaps Large banks have invested billions in their mobile apps and online platforms. Some credit unions — especially smaller ones — have less polished digital experiences. This is improving, but if cutting-edge fintech features matter to you, do your research before switching.

Fewer product offerings If you need specialized financial products — complex investment accounts, international wire transfers, business banking, private banking services — a large bank may have more to offer.

Who Should Switch (and Who Shouldn't)

Good candidates for switching to a credit union:

People paying monthly maintenance fees on checking accounts
Anyone shopping for an auto loan, personal loan, or mortgage — even a rate comparison is worth it
People who do most banking locally and don't need national branch access
Anyone frustrated with big bank fees and impersonal service
People rebuilding credit who want a more flexible lender

Stick with your current bank if:

You travel frequently and need branch/ATM access nationwide
You need sophisticated digital banking features
Your bank already offers competitive rates and few fees (some online banks are excellent)
You use specialized services that credit unions don't typically offer

How to Find and Join a Credit Union

Start with your employer. Many employers have affiliated credit unions with easy membership requirements.
Check your community. Many credit unions serve specific cities, counties, or regions.
Use the NCUA's Credit Union Locator at mycreditunion.gov — search by location, employer, or affiliation.
Consider nationwide credit unions. Alliant Credit Union, Pentagon Federal (PenFed), and USAA (for military) are examples of credit unions open to broad membership with excellent rates and digital tools.
Open an account. Most credit unions require a small deposit ($5–$25) to establish membership. The application takes 10–15 minutes online.

Will Switching Affect Your Credit Score?

Opening a new credit union account (savings or checking) does not directly affect your credit score. No hard inquiry is generated for deposit accounts.

If you apply for a credit union credit card or loan, that will generate a hard inquiry — just like with any lender. But simply switching your banking relationship has no negative impact on your score. In fact, if you close old credit card accounts at the bank you're leaving, that could affect your score by reducing your average account age and available credit — so be thoughtful about what you close.

The best approach: open the credit union account, test it for 1–3 months, then decide whether to fully transition and close your old accounts.