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Chaco serves Butler, Hamilton, Preble and Warren Counties. Anyone who lives, works, worships or attends school in one of these counties is eligible for membership.

Completing this form does not complete your membership application. A Chaco representative will contact you via email or phone to verify the application and complete the membership process. Part of the membership qualification process includes, but not limited to, Patriot Act and OFAC screenings.

I understand submitting this form online, that my personal information may not be secure and I release Chaco Credit Union and all its officials, employees, affiliates, subsidiaries, vendors, and assignees from any liability and/or loss that arise from using this form.


Our Difference is Simple

When it comes to your financial plan, we understand what you need now and more importantly, what you need tomorrow. We are here to help you get the most out of both. Whether just starting out or preparing to retire, we help you become financially prepared and fully informed. At Chaco, we bring you the same expertise and competitive services as other institutions, but with the compassion and genuine care that can only come from being member-owned and operated. From CDs and savings to mortgages and more, we work to keep things simple when it comes to your finances – so you can focus on your life. And that makes a difference.