How to Join Greater Iowa Credit Union
Greater Iowa Credit Union membership eligibility includes, but is not limited to, the following:
Persons who live, work, worship, or attend school within the 33 county field of membership are eligible to join.
- Counties with GICU branches: Story, Polk, Dallas, Warren, and Crawford.
- Contiguous Counties: Wright, Franklin, Butler, Woodbury, Ida, Sac, Calhoun, Webster, Hamilton, Hardin, Grundy, Monona, Carroll, Greene, Boone, Marshall, Tama, Harrison, Shelby, Audubon, Guthrie, Jasper, Poweshiek, Adair, Madison, Marion, Clarke, and Lucas.
Notable Mentions & Guides
- 🏆 Listed in the 2026 Best Credit Unions in Iowa.
- 👉 Learn: How to Join a Credit Union →
- 🔎 Explore: Credit Union Marketplace →


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