Best Banks & Credit Unions in Portage, Michigan

Banks and credit unions serving Portage, Michigan. Compare up to 4.00% APY, fees, minimums and membership rules, dated when we read them.

This page covers banks, credit unions, and local branches available to residents of Portage, Michigan. All rankings inherit from the Michigan state directory. Every institution listed is licensed to serve Portage residents and is either headquartered in Michigan or operates branches in the metro.

Top options in Portage

• Sturgis Bank: 4.01% APY. 13-Month Special CD: Limited-time special; $5,000 minimum opening balance; APY effective as of 07/17/2026; renews at the 12-month rate; standard CDs ($500 minimum for 1-5 year terms) print no rate. Read Sep 7, 2026 on sturgis.bank. Rates as of 2026-07-17 per the page.
• Lake Michigan Credit Union: 4.00% APY. Michigan's largest credit union with competitive savings yields and Max Checking.
• Genisys Credit Union: 3.90% APY. Southeast Michigan credit union known for competitive CD specials.
• Ent Credit Union: 3.85% APY. 12 Month Certificate: $500 minimum for regular Certificates of Deposit. Read Sep 7, 2026 on ent.com.
• Navy Federal Credit Union: 3.70% APY. 12-month Standard Certificate: $1,000 minimum deposit ($1K tier); 'Rates as of Sep 07, 2026 ET' per the page. Read Sep 7, 2026 on navyfederal.org. Rates as of 2026-09-07 per the page.
• Michigan State University FCU: 3.50% APY. Michigan's second-largest credit union offering premium money market yields.

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See the full Michigan banks directory for every institution we've verified in the state, plus the underlying methodology.