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Bank · FDIC insured

Grinnell State Bank Credit Card Rates

Top Carrot, Carrot Score 87Top Carrot

Grinnell State Bank credit cards start at 14.99% APR on purchases, after any introductory rate. Rates checked October 16, 2026.

How Grinnell State Bank’s credit card rates compare

Compared with banks and credit unions near Des Moines, IA, where Grinnell State Bank has the most branches. Ongoing purchase APR, lowest first.

  • Top Carrot, Carrot Score 87

    This bank’s lowest

    Grinnell State Bank

    14.99%APR

    Up to
    24.99% APR

    Platinum Edition

  • Top Carrot, Carrot Score 95

    Lowest rate

    Advantage Credit Union

    7.90%APR

    Up to
    13.90% APR

    Advantage Credit Union rates

  • Top Carrot, Carrot Score 91

    2nd-lowest rate

    IH Mississippi Valley Credit Union

    7.90%APR

    Up to
    —

    IH Mississippi Valley Credit Union rates

Compare credit card rates near you →

Grinnell State Bank credit card score

62

Credit card score

Higher than 6% of U.S. banks and credit unions

By rate
  • Purchase APRPurchase APR14.99%

Each track runs from the highest to the lowest rate among U.S. banks and credit unions; the dot is this rate.

How the score works →

Where Grinnell State Bank ranks

By credit card score, in each area where it has branches

Current credit card rates

Rates from the bank’s website. Most are “as low as” rates for the best credit; yours depends on your credit.

Opening an account

Confirm the bank’s opening requirements and whether the account is available where you live. A nearby branch does not establish eligibility for every rate.

← Grinnell State Bank overview