Consistently ranked in the top 5% of all credit unions nationwide for returning profits with better rates on loans and deposits.

Callahan and Associates Return of Member ranking

It's easy to join

You can become a GreenState Credit Union member by opening a savings account and depositing as little as $5.

GrowGreen Checking is a free account with growth potential

Actively use your Credit Card and
Earn up to
______%
APY1
Actively use your Debit Card and earn
Earn as much as
______%
APY1

Get driver-friendly financing from our fast, efficient team

Auto Loans
Rates as low as
______%
APR2

Membership Eligibility

GreenState membership is open to anyone living or working in Iowa, or nearby counties in Illinois, Wisconsin, Nebraska, or South Dakota. Membership is also open to University of Iowa students, staff, and alumni, direct relatives of current GreenState members, and Members of the Iowa Consumer Council and American Consumer Council.

Membership Map smaller

  • Illinois counties: Boone, Carroll, DuPage, Hancock, Henderson, Henry, Jo Daviess, Kane, Knox, McHenry, Mercer, Ogle, Rock Island, Stephenson, Warren, Whiteside, Will County North of I-80, Winnebago
  • Nebraska counties:  Dakota, Thurston, Burt, Washington, Douglas, Sarpy, Cass, Otoe
  • South Dakota counties: Union, Lincoln, Minnehaha, Moody, Brookings
  • Wisconsin counties: Crawford, Grant, Lafayette


Direct relatives of current GreenState Credit Union members.


Members of the Iowa Consumer Council / American Consumer Council.


University of Iowa students, staff, and alumni.

Product Eligibility

Select your state in the map below to view which products and services are available where you live.

Deposit Accounts
Mortgage Loans
Consumer Loans
Additional Services

Individual Taxpayer Identification Number (ITIN) Banking

GreenState Credit Union is your trusted financial partner, providing great rates on loans and deposits, whether you have an Individual Taxpayer Identification Number (ITIN) or a Social Security number. Additional information about ITINs can be found at www.irs.gov.

Explore our helpful financial tools

As your trusted financial partner, GreenState Credit Union is proud to offer financial education to help you reach your goals.

Visit Us Virtually or in Person
  • Open a Deposit Account Online:  Checking, Savings, Certificates, and Money Market accounts
  • Apply for a Loan Online: Auto loans, credit cards, personal loans, home equity loans, home equity lines of credit
  • Find a Mortgage Lender: Fixed-rate loans, adjustable-rate mortgages, USDA, and VA Loan programs available
  • Visit Us: Start a new membership, open deposit accounts, or apply for a loan at any of GreenState's 32 branch locations. Every branch accepts walk-in meetings with a Member Service Specialist. Branch & ATM Finder
  • Call Us: Get a new membership started or add accounts to your existing membership by calling (800) 397-3790


What our members are saying

"I especially appreciate the people I work with on your chat support service and when I call in. They never shuffle me through an endless maze of AI responses—they just ask what I need, take care of it right away, and are always friendly, efficient, and fun to talk to."

Life B, member since 2004.

"I love the GreenState app—it keeps me on top of my finances, lets me check my credit score, and offers great features. The staff is always kind, knowledgeable, and truly has my best interest in mind. "

Laura H, member since 2005

"I went in to purchase CDs but came away with valuable information on improving my banking, which helped me earn more interest on my account. It was very helpful and a very pleasant experience doing business there."

Juanita B, member since 1996

"I’ve closed on five mortgages in my lifetime, and this one was the smoothest and easiest to close. Thank you GreenState!"

James C, member since 2024
Noteworthy
Making a positive impact in our local communities

It's about making a difference.

  1. GrowGreen Checking: APY is Annual Percentage Yield. Rate is subject to change after the account is opened. 0.05% APY paid on funds  exceeding those amounts if qualifiers are met. If qualifiers are not met, 0.01% APY will be paid on all balances. Fees may reduce earnings on the account. Requirements to earn the premium yield each month include 1) Fifteen or more purchases with your GreenState credit or debit card with a minimum of $15 per transaction. If a member makes 15 qualifying purchases with their credit card, they will earn the credit card yield. 2) An ACH / Direct Deposit or ACH withdrawal of at least $500 must post and clear the account (internal transfers excluded). 3) $1,000 average daily balance maintained. If average daily balance of $1,000 or more is met, interest will be paid on the entire average balance. Overdraft/returned item fees may apply. $50 initial deposit required. Offer is for one checking account per individual. Credit card and debit card must be listed under the same account as the GrowGreen Checking to qualify. Personal accounts only. Membership required with a minimum $5 share deposit. New checking account is subject to credit approval, employment status, and valid identification that is at least 90 days old. A combination of qualifying debit and credit card purchases may be used to earn the debit card yield.

    For Debit Cards or Debit/Credit Combinations:

    • 3.00% APY paid on balances up to $19,999
    • Account holder must be 16 years of age to be paid interest using a debit card and 18 years of age to be paid interest using a credit card or combination of credit card and debit card
    • Transactions must post and clear within the calendar month


    For Credit Cards:

    • 4.00% APY paid on balances up to $19,999
    • Account holder must be 18 years of age or older to be paid interest
    • Transactions must post to the card between the first day of the month and the second-to-last day of the month.
    • Transactions posted on the last day of the month will be applied to the next month’s totals
    • Any points earned on the credit card will still accrue even if these requirements are not met


  2. The Annual Percentage Rate (APR) you receive will be based upon credit scoring criteria, loan to value ratio, mileage and collateral. Simple interest used to calculate payment. For example, 48 monthly payments of $23.02 per $1,000 borrowed at 4.99% APR. Extended terms up to 84 months available, additional rate surcharge may apply based on creditworthiness. Please call or apply online to have us calculate your rate. All loans are subject to approval. Maximum loan amounts apply. Membership required with a $5 Share Savings deposit. Please contact GreenState for additional details.