Bank · FDIC insured
Grinnell State Bank Savings Rates
Top CarrotGrinnell State Bank’s best savings rate is 1.00% APY on $10,000, with its Personal Savings. Rates checked October 16, 2026.
How Grinnell State Bank’s savings rates compare
Compared with banks and credit unions near Des Moines, IA, where Grinnell State Bank has the most branches. $10,000, best rate first.
This bank’s best
Grinnell State Bank
1.00%APY
- Minimum
- $100
- Earns on $10,000 a year
- $100
Personal Savings
Top rate
UMB Bank
3.71%APY
- Minimum
- —
- Earns on $10,000 a year
- $371
2nd-highest rate
Iowa Trust
3.70%APY
- Minimum
- $100
- Earns on $10,000 a year
- $370
Grinnell State Bank savings score
89
Savings score
Higher than 89% of U.S. banks and credit unions
- $1,000 balance$1,0002.02%
- $10,000 balance$10,0002.02%
- $100,000 balance$100,0001.51%
- QualifiedQualified2.02%
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.
Where Grinnell 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.
Simply Savings
2.02%APY on $10,000
Rates subject to change after account opening. Withdrawals over 6 per statement cycle incur $2 fee. $2.00 monthly fee if AAB < $100.
| Part of the balance | Rate on that part |
|---|---|
| Up to $500 | 2.00% |
| $500 – $25,000 | 2.00% |
| $25,000 – $50,000 | 0.75% |
| $50,000 – $100,000 | 0.80% |
| $100,000 – $200,000 | 0.85% |
| $200,000 – $1,000,000 | 0.90% |
On $10,000 the tiers blend to about 2.02% APY, earning $202 a year.
Sources (2)
All captured Oct 16, 2026
Special-purpose accounts
College Fund Accounts
2.27%APY
Specifically designed for college fund savings. Rate is based on the highest tier of the 30 Month CD rate.
| BalanceRequirement | APY | Earns on $10,000 a yearEarns | Requirement |
|---|---|---|---|
| Any balanceAvailable balance (AB) to earn rate.Any balance | 2.27% | $227 | Available balance (AB) to earn rate. |
Sources (2)
All captured Oct 16, 2026
IRA Open Time
2.27%APY
Yearly service fee of $20; termination fee of $50.
| BalanceRequirement | APY | Earns on $10,000 a yearEarns | Requirement |
|---|---|---|---|
| Any balanceAvailable balance (AB) to earn rate; yearly service fee $20.Any balance | 2.27% | $227 | Available balance (AB) to earn rate; yearly service fee $20. |
Sources (2)
All captured Oct 16, 2026
Personal Savings
1.00%APY
$100 Average Available Balance (AAB) to waive $2.00 monthly low balance service fee (no minimum AAB for children under 18; opening deposit $25 for children under 18). 3 withdrawals/debits per statement cycle at no charge; excess withdrawal fee $1.00 each.
| Balance | APY | Earns on $10,000 a yearEarns | Requirement |
|---|---|---|---|
| Up to $500Tier 1; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. | 0.75% | — | Tier 1; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. |
| $500 – $5,000Tier 2; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. | 0.75% | — | Tier 2; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. |
| $5,000 – $50,000Tier 3; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. | 1.00% | $100 | Tier 3; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. |
| $50,000 – $100,000Tier 4; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. | 1.26% | — | Tier 4; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. |
| $100,000 – $200,000Tier 5; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. | 1.51% | — | Tier 5; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. |
| $200,000 and upTier 6; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. | 1.76% | — | Tier 6; Available Balance (AB) to earn rate; $2.00 low balance fee if AAB < $100. |
Sources (2)
All captured Oct 16, 2026
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.