The core difference: ownership and who profits
A bank is a for-profit business owned by shareholders. When you deposit money, the bank uses it to make loans and investments, keeps the profit, and pays you interest on your deposit if it chooses to. A credit union is a nonprofit cooperative owned by its members — the people who bank there. Profits go back to members through higher savings rates, lower loan rates, and fewer fees.
This ownership structure shapes almost everything else: how much you pay, what services cost, and who decides what the institution does with its money.
Key Takeaways
- Banks are for-profit and owned by shareholders; credit unions are nonprofits owned by their members, so profits return to you as better rates and lower fees.
- Banks offer more branches and ATMs nationwide; credit unions have smaller networks but often waive fees at other credit unions through shared branching and surcharge-free ATM networks.
- Credit unions typically require membership based on where you work, live, or worship; banks let anyone open an account.
- Both are insured up to $250,000 per account by the FDIC (banks) or NCUA (credit unions), so your money is equally protected either way.
- Banks usually have more loan products and faster approval; credit unions often have stricter lending standards but may work with borrowers banks reject.
Fees and interest rates: where the ownership difference shows
Credit unions typically charge lower fees on checking accounts, savings accounts, and overdrafts because they return profit to members instead of paying shareholders. Many credit unions have no monthly maintenance fee, no minimum balance requirement, and no overdraft fee if you stay within a small threshold. Banks vary widely — some have no-fee checking, others charge $10 to $15 per month, and overdraft fees can run $25 to $35 per occurrence.
On savings accounts and money market accounts, credit unions often pay higher interest rates than banks. On loans — car loans, personal loans, mortgages — credit unions typically charge 0.5 to 1 percentage point less than banks. The difference compounds: a 0.5% lower rate on a $20,000 car loan saves you roughly $100 over five years. On a mortgage, it can save thousands.
Banks compensate with convenience and speed. They approve loans faster, offer more loan types (construction loans, business lines of credit), and have more branches if you travel or move frequently.
Membership requirements and account access
Anyone can walk into a bank and open an account. Credit unions require membership, which usually means you must meet one of these conditions: work for a specific employer, live in a certain geographic area, belong to a particular organization, or have a family member who is already a member. Some credit unions have broad fields of membership (anyone in a county, for example); others are narrow (employees of one company only).
Once you are a member, you can use your credit union's services. If you move or change jobs, you may lose membership — though many credit unions let you stay if you were a member for a certain period, usually one to five years. Banks have no such restriction; you can keep your account anywhere.
Branch and ATM networks
Banks have more physical locations. A large national bank like Chase or Bank of America has thousands of branches and ATMs across the country. Most credit unions have fewer branches, often concentrated in one region or state. If you travel frequently or move often, a bank's network is a real advantage.
Credit unions offset this through shared branching and surcharge-free ATM networks. Shared branching lets you conduct transactions at other credit unions' branches as if they were your own — you can deposit checks, withdraw cash, or transfer money at a different credit union. Surcharge-free ATM networks (like CO-OP, Allpoint, or Moneypass) let you use thousands of ATMs nationwide without paying a fee. Many credit unions participate in both, so your actual access is larger than the branch count suggests.
Banks also participate in some shared networks, but less commonly. Most bank ATMs charge a fee if you are not a customer, and other banks' branches cannot help you.
Loan approval and lending standards
Banks use automated underwriting and credit scoring to approve or deny loans quickly — often within hours for online applications. They have strict lending criteria: you typically need a credit score of 620 or higher for a mortgage, 650 or higher for a car loan. If you do not meet the score, you are usually denied immediately.
Credit unions often use manual underwriting, meaning a loan officer reviews your full financial picture, not just your credit score. They may approve you even if your score is lower, especially if you have a good reason for past problems or a strong income. This flexibility helps people with thin credit histories or recent hardship. The tradeoff is slower approval — credit union loans often take one to three weeks instead of one to three days.
Credit unions also tend to have stricter debt-to-income limits and may require you to be a member for a certain period before you can borrow. Banks have no such waiting period.
Safety and insurance protection
Both banks and credit unions are insured by the federal government, so your money is equally safe. Banks are insured by the FDIC (Federal Deposit Insurance Corporation) up to $250,000 per account. Credit unions are insured by the NCUA (National Credit Union Administration) up to the same amount. If the institution fails, you get your money back up to the limit.
The insurance covers checking accounts, savings accounts, money market accounts, and CDs. It does not cover investment products like stocks or mutual funds, even if you buy them through the bank or credit union.
Technology and online banking
Large banks invest heavily in mobile apps and online platforms. They typically have more features: bill pay, mobile check deposit, real-time alerts, budgeting tools, and integration with third-party apps. Their apps are usually stable and updated frequently.
Credit union apps vary. Large credit unions have robust platforms comparable to banks. Smaller credit unions may have basic apps with fewer features. Some credit unions partner with third-party platforms to offer better technology without building it themselves. If you rely on specific features — like advanced budgeting tools or cryptocurrency trading — check what your credit union offers before joining.
When a bank makes more sense, and when a credit union does
Choose a bank if you need nationwide branch access, want fast loan approval, prefer automated underwriting, or need specialized products like investment accounts or business banking. Banks are also better if you move frequently or travel across the country regularly.
Choose a credit union if you want lower fees, higher savings rates, lower loan rates, and personalized service. Credit unions work well if you plan to stay in one region, do not need to borrow immediately, and value a nonprofit institution that returns profit to members. They are also a good option if your credit score is lower or your financial situation is complex — a loan officer may see past the numbers.
Frequently Asked Questions
Is my money safer at a credit union or a bank?
Equally safe. Both are insured by the federal government up to $250,000 per account. The FDIC insures banks; the NCUA insures credit unions. If either fails, you get your money back.
Can I use a credit union ATM if I bank at a bank?
Only if the credit union is part of a surcharge-free network you can join. Some banks participate in shared ATM networks; most do not. Ask your bank which networks it belongs to. Credit unions are more likely to offer surcharge-free access to other credit unions' ATMs through CO-OP or Allpoint.
Do credit unions report to credit bureaus?
Yes. Credit unions report payment history to the three major credit bureaus (Equifax, Experian, TransUnion) just as banks do. Loans and credit cards from credit unions build your credit score the same way.
What happens to my credit union account if I move out of state?
It depends on the credit union's membership rules. Some let you keep your account if you were a member for a set period (often one to five years). Others require you to maintain the membership requirement to stay. Ask your credit union before you move.
Can I have accounts at both a bank and a credit union?
Yes. Many people keep a bank account for convenience and a credit union account for better rates. Your FDIC and NCUA insurance covers each separately up to $250,000, so you can have $250,000 at a bank and $250,000 at a credit union with full protection at both.