Top 10 US Credit Unions by Assets (2025): Biggest Members-Owned Banks

State Employees Credit Union holds $53 billion in assets, serving 2.7 million members—roughly one in four North Carolina adults. Auto loans start at 2.25% APR with no-fee checking, cheaper than the typical rival by 1.5 percentage points on average. Its 270+ branch network provides statewide community coverage, ranking it the second-largest US credit union behind Navy Federal. SECU's 2025 member retention rate hit 97%, reflecting deep local trust and low-cost financial services.

State Employees Credit Union

PenFed Credit Union holds $35 billion in assets, serving 2.9 million members nationwide through partner organizations. Its auto loan rates are 1% below bank competitors on average, beating industry benchmarks by a full percentage point. The popular 5% cash-back credit card offers top-tier rewards, cheaper than the typical rival's 2% average. PenFed's 2025 digital overhaul added AI-driven financial planning tools, a feature surpassing #3 SchoolsFirst's current tech offerings in usability tests.

Pentagon Federal Credit Union

SchoolsFirst FCU, the largest California credit union with $27 billion in assets, serves 1.4 million education community members exclusively. It ranks #1 in member satisfaction among large California financial institutions, outperforming #4 PenFed in regional surveys. Mortgage discounts for school employees net 0.25% lower rates than the state average, saving $50 monthly on a $300,000 loan. The unique teacher-focused financial wellness program, launched in 2024, includes 24/7 counseling and $500 emergency grants for educators.

SchoolsFirst Federal Credit Union

As the dominant credit union in the Pacific Northwest, BECU holds $28 billion in assets and has grown beyond its Boeing origins to serve 1.4 million members. Its Early Saver account for children earns 6.17% APY on the first $500, and free checking has no minimum balance. BECU's 2025 investment of $50 million in branch and digital upgrades surpasses the spending of #7, America First Credit Union, which lags in digital innovation.

Boeing Employees Credit Union (BECU)

Golden 1 Credit Union commands $19 billion in assets, serving over 1.1 million Californians as the state's second-largest credit union. Auto loan rates average 1.5% below California commercial banks, and 70+ branches complement a robust digital platform. Its naming rights to the Golden 1 Center in Sacramento provide a stronger regional brand identity than #8, Alliant Credit Union, which lacks similar local community ties.

Golden 1 Credit Union

America First Credit Union holds $18 billion in assets, serving 1.4 million members across four states as Utah's largest credit union. Certificate rates often stand 0.75% above national averages, and fee-free access to 30,000+ ATMs via the CO-OP network provides convenience. Its early adoption of contactless payment technology outperforms #5, Boeing Employees Credit Union, which has been slower to implement such features.

America First Credit Union

Alliant Credit Union manages $17 billion in assets with a digital-first model open to anyone joining a partner nonprofit, serving 800,000+ members. The High-Rate Savings account reaches 3.10% APY in 2025, and its cash-back Visa earns 2.5% on all purchases with no annual fee. This digital efficiency makes Alliant cheaper to operate than the typical California credit union, yielding higher member returns.

Alliant Credit Union

First Technology Federal Credit Union leads with $15 billion in assets and 700,000+ members, primarily from tech titans like Microsoft and Google. It outperforms #10 BECU Pacific Northwest in fintech innovation, winning the 2025 Callahan's Credit Union Technology Innovation Award. Its API banking and Plaid connectivity appeal to a digital-first audience, while savings rates average 0.8% above national benchmarks—a 0.5% higher yield than the typical credit union. With operations rooted in Silicon Valley, it balances high-tech services with competitive returns, making it a top choice for tech employees seeking modern banking.

First Technology Federal Credit Union

BECU Pacific Northwest commands $28 billion in assets and over 1.4 million members across WA, OR, and ID, outpacing #9 First Tech FCU in scale by $13 billion. Its 2024 member dividend program returned $241 million through reduced fees and improved rates—30% higher than the average credit union's rebate. The 2026 digital wallet integration targets 500,000 active mobile users, a 20% increase from current adoption. This cooperative model emphasizes member value, delivering tangible savings while expanding its tech footprint at a lower cost than many rivals.

BECU Pacific Northwest