Credit Unions in South Portland, Maine
4 federally insured credit unions — NCUA Q4 2025
Best Credit Union in South Portland
ATLANTIC REGIONAL
Top RatedSouth Portland, Maine
All Credit Unions in South Portland
Compare Credit Unions in South Portland
Use our side-by-side compare tool to evaluate assets, members, health scores, and net worth ratios before choosing where to bank.
Compare Credit UnionsFrequently Asked Questions
There are 4 federally insured credit unions in South Portland, Maine according to NCUA Q4 2025 data. The largest by assets is ATLANTIC REGIONAL with $1.1B in total assets.
Yes. All credit unions listed here are federally insured by the National Credit Union Administration (NCUA) up to $250,000 per depositor, per ownership category — the same protection offered by FDIC insurance at banks.
Each credit union has its own membership eligibility criteria — often based on employer, community, association, or family ties. Click on any credit union to view its membership type and contact information. Many South Portland credit unions offer community charters open to anyone who lives, works, or worships in the area.