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Bank · FDIC insured

Commercial State Bank Savings Rates

Commercial State Bank’s best savings rate is 0.55% APY on $10,000, with its MMDA ACCOUNTS. Rates checked October 22, 2026.

How Commercial State Bank’s savings rates compare

Compared with banks and credit unions in South Dakota, where Commercial State Bank has the most branches. $10,000, best rate first.

  • This bank’s best

    Commercial State Bank

    0.55%APY

    Requires
    None
    Minimum
    $1
    Earns on $10,000 a year
    $55

    Savings Account

  • Top rate

    ONE AMERICAN BANK

    3.00%APY

    Requires
    None
    Minimum
    $100
    Earns on $10,000 a year
    $300

    ONE AMERICAN BANK rates

  • 2nd-highest rate

    Highmark Federal Credit Union

    3.00%APY

    Requires
    Monthly account activity
    Minimum
    $0
    Earns on $10,000 a year
    $300

    Highmark Federal Credit Union rates

Compare savings rates near you →

Commercial State Bank savings score

80

Savings score

Higher than 54% of U.S. banks and credit unions

By balance
  • $1,000 balance$1,0000.55%
  • $10,000 balance$10,0000.55%
  • $100,000 balance$100,0000.55%
  • QualifiedQualified0.55%

Each track runs from the lowest to the highest rate among U.S. banks and credit unions; the dot is this rate.Qualified: needs another account or monthly activity.

How the score works →

Where Commercial State Bank ranks

By savings score, in each area where it has branches

Every rate

Current savings rates

Rates from the bank’s website. Earnings assume the rate doesn’t change.

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.

Visit institution website ↗Branches and institution details
← Commercial State Bank overview