What Is a Credit Union? How It Works and How to Join
Last updated 04/13/2026 by
Ante Mazalin
Fact checked by
Andrew Latham
Summary:
A credit union is a member-owned, not-for-profit financial cooperative that offers banking services — including savings accounts, checking accounts, loans, and credit cards — with profits returned to members in the form of lower loan rates, higher deposit rates, and reduced fees rather than paid to outside shareholders.
Credit unions serve different groups depending on their charter type.
- Federal credit unions: Chartered and regulated by the NCUA; available to members who meet the field of membership requirements, such as employer, geographic area, or association affiliation.
- State-chartered credit unions: Regulated by state banking agencies; some are also federally insured through the NCUA, others carry private insurance.
- Community credit unions: Open to anyone who lives, works, worships, or attends school in a defined geographic area — often the most accessible for general consumers.
- Online credit unions: Operate without physical branches; typically offer the highest deposit rates and lowest loan rates due to lower overhead.
Credit unions handle the same core financial products as banks — savings, checking, loans, credit cards — but the ownership structure changes the incentive.
Because there are no outside shareholders, the margin between what a credit union earns on loans and what it pays on deposits is returned to members rather than extracted as profit.
In practice, that typically means lower rates on loans and higher rates on savings compared to traditional banks — though the gap varies significantly by institution and product.
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How a Credit Union Works
Every credit union member is also a part-owner. When you open an account, you’re required to purchase a membership share — usually $5 to $25, held in a share savings account — which establishes your ownership stake. This structure means you have a vote in governance: credit union members elect the board of directors, which oversees management and sets policy.
Because credit unions don’t pay dividends to outside investors, any surplus generated is either returned to members (through better rates and lower fees) or retained as capital to support the institution’s growth and stability.
Deposits at federally insured credit unions are protected by the National Credit Union Administration (NCUA) through the National Credit Union Share Insurance Fund (NCUSIF), providing the same $250,000 per member per institution per ownership category coverage as FDIC insurance at banks.
Credit Union vs. Bank: Key Differences
| Feature | Credit Union | Bank |
|---|---|---|
| Ownership structure | Member-owned cooperative — you are a part-owner when you join | Shareholder-owned (public or private) — profit goes to investors |
| Profit motive | Not-for-profit — surplus returned to members via rates and fees | For-profit — earnings distributed to shareholders |
| Loan rates | Typically lower — especially for auto loans and personal loans | Typically higher, though varies by institution and credit tier |
| Savings rates | Typically higher — especially on share certificates (CDs) and savings accounts | Varies; online banks increasingly competitive |
| Fees | Generally lower monthly fees and fewer penalty fees | Generally higher fees, particularly at large national banks |
| Membership | Required — based on employer, geography, association, or family | Open to anyone — no eligibility requirements |
| Deposit insurance | NCUA/NCUSIF — same $250K limit as FDIC | FDIC — $250K per depositor per institution per ownership category |
| Branch/ATM access | Fewer branches; many participate in shared branching networks (Co-op) | Larger branch and ATM networks at major national banks |
| Technology | Variable — large credit unions match bank apps; small ones may lag | Generally more advanced digital platforms at large banks |
Credit Union Loan Rates
The rate advantage at credit unions is most visible in lending. Under National Credit Union Administration regulations, federal credit unions are capped at an 18% APR on most loan products — a ceiling that protects members from the highest-rate lending practices. For context, the average credit card APR at large banks has recently exceeded 20%.
For auto loans, credit unions are consistently among the lowest-rate lenders in Experian’s State of the Automotive Finance Market data, particularly for prime and super-prime borrowers. For personal loans, the combination of the 18% rate cap and the nonprofit structure frequently produces offers well below what banks quote for identical credit profiles.
The caveat: membership is required before you can access loan products. If your credit union application takes 3–5 business days and you need a loan quickly, the timing may not work in your favor. Getting prequalified or opening a credit union account before you need a loan is the most practical approach.
Pro Tip: Many people don’t realize how easy it is to qualify for a credit union. If you can’t join through your employer, check community credit unions open to anyone in your city or county, or credit unions affiliated with alumni associations, professional groups, or religious organizations. The NCUA’s credit union locator lets you search by location and displays membership eligibility requirements for each institution.
Types of Accounts at a Credit Union
Credit unions offer the same core account types as banks, though they use different terminology rooted in the cooperative ownership model:
- Share savings account: The equivalent of a bank savings account; your ownership share is held here. Required to establish membership.
- Share draft account: The credit union equivalent of a checking account; “drafts” are the equivalent of checks.
- Share certificate: The credit union equivalent of a certificate of deposit (CD) — a fixed-term, fixed-rate deposit with an early withdrawal penalty.
- Money market share account: Higher-yield savings with tiered rates, equivalent to a bank’s money market deposit account.
- IRA accounts: Most credit unions offer traditional and Roth IRA savings and certificate products.
How to Join a Credit Union
Joining a credit union takes less than 30 minutes once you’ve identified one you’re eligible for. The steps apply whether you’re joining for savings, lending, or both.
- Find a credit union you’re eligible to join. Check your employer’s HR portal for affiliated credit unions, search your city or county for community credit unions, or use the NCUA’s credit union locator at mycreditunion.gov. Many credit unions have expanded their field of membership significantly and are easier to join than people expect.
- Confirm the membership requirements. Some require current or former employment at a specific company; others accept anyone who lives in a county; others accept family members of existing members. Verify eligibility before applying.
- Open a share savings account. This is the membership account — typically requires a $5 to $25 deposit that establishes your ownership share. This is the minimum requirement to become a member.
- Provide identity verification. Standard requirements: government-issued ID, Social Security number, and a qualifying address. Some credit unions run a ChexSystems report (banking history) in addition to or instead of a credit check for deposit accounts.
- Fund your account and access services. Once membership is established, you can open additional accounts, apply for loans, and access all services the credit union offers — including shared branching networks if they participate.
Shared Branching: Solving the Access Problem
The most common objection to credit unions is limited physical access. The Co-op Shared Branch network addresses this directly: over 5,000 credit unions participate, meaning members of any participating credit union can conduct transactions at any other participating credit union’s branch — depositing, withdrawing, making loan payments, and more.
Combined with the Co-op ATM network (over 30,000 fee-free ATMs), most credit union members have comparable or superior ATM access to customers of large national banks — without the ATM fees that banks often charge for out-of-network use.
When a Credit Union Makes More Sense Than a Bank
A credit union is typically the better choice when you’re taking out a loan — particularly an auto loan or personal loan — and want the lowest available rate. The NCUA rate cap and nonprofit structure consistently produce more competitive offers than most banks at equivalent credit tiers.
A bank may be more practical when you need extensive branch access in multiple states, sophisticated digital banking features, or financial products beyond the credit union’s offering (certain investment products, international banking, specialized business services).
For many consumers, the best structure is both: a major bank for day-to-day transactional banking and digital convenience, and a credit union for lending products where the rate advantage is most meaningful.
Comparing credit union personal loan rates against bank offers before any borrowing decision is a practical way to see the gap firsthand.
Key takeaways
- Credit unions are member-owned nonprofits — surplus is returned to members through lower loan rates, higher deposit rates, and fewer fees rather than paid to outside shareholders.
- Federal credit unions are capped at 18% APR on most loan products under NCUA regulations — a meaningful protection compared to credit card and personal loan rates at for-profit banks.
- Deposits at federally insured credit unions are protected by NCUA/NCUSIF up to $250,000 per member per institution per ownership category — the same coverage level as FDIC insurance at banks.
- Membership is required to access products, but most people qualify through employer, geography, alumni association, or family relationship — often easier than expected.
- The Co-op Shared Branch network (5,000+ locations) and Co-op ATM network (30,000+ fee-free ATMs) significantly reduce the branch access disadvantage for credit union members.
- Credit unions are most competitive on lending products — especially auto loans and personal loans — where the rate advantage over traditional banks is most consistent and significant.
Frequently Asked Questions
What is a credit union?
A credit union is a member-owned, not-for-profit financial cooperative that provides banking services — savings, checking, loans, credit cards — to its members. Unlike banks, credit unions have no outside shareholders; any earnings are returned to members through better rates, lower fees, and improved services.
Is my money safe at a credit union?
Yes, at any federally insured credit union. The NCUA insures deposits at federally insured credit unions up to $250,000 per member per institution per ownership category through the National Credit Union Share Insurance Fund (NCUSIF) — the same coverage level and government backing as FDIC insurance at banks.
What is the difference between a credit union and a bank?
The fundamental difference is ownership: banks are owned by shareholders who expect a return on investment; credit unions are owned by their members and structured as nonprofits. This means credit union profits are returned to members through lower loan rates, higher savings rates, and reduced fees rather than paid out as shareholder dividends.
How do I qualify for a credit union?
Qualification depends on the credit union’s field of membership. Common eligibility criteria include: current or former employment at a specific employer or industry; living or working in a defined geographic area (city, county, or region); membership in a qualifying organization or association; or being a family member of an existing member. Community credit unions often accept anyone in a county or metropolitan area.
Do credit unions have lower interest rates on loans?
Generally yes, particularly for auto loans and personal loans. Federal credit unions are capped at 18% APR on most loan products under NCUA regulations, and the nonprofit structure incentivizes passing earnings to members rather than maximizing rate margins. That said, rates vary significantly by credit union and credit tier — comparing specific offers is always necessary.
Can I use my credit union account at other locations?
If your credit union participates in the Co-op Shared Branch network, you can conduct transactions at over 5,000 participating credit union locations nationwide — not just your own institution’s branches. You can also access over 30,000 fee-free ATMs through the Co-op ATM network. Check whether your credit union participates before assuming access is limited to its own branches.
What is a share savings account at a credit union?
A share savings account is a credit union’s equivalent of a bank savings account. Your minimum deposit — typically $5 to $25 — represents your ownership “share” in the cooperative. It’s required to establish membership. The account earns dividends (the credit union equivalent of interest) and functions identically to a bank savings account for all practical purposes.
Ready to see what credit union rates look like for your next loan? Compare personal loan rates from credit unions on SuperMoney — or check credit union auto loan rates if you’re financing a vehicle.
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