Grinnell State Bank: how it compares with its peers
Against 97 IA banks with half to twice its assets, Grinnell State Bank's strongest measure in Q2 2026 is assets per employee ($10.4M vs. a $8.3M peer median). Its weakest relative measure is return on assets (0.98% vs. 1.43%).
| Measure | Grinnell State Bank | Peer median | Rank |
|---|---|---|---|
| Return on assets Annualized net income over average assets. | 0.98% | 1.43% | Bottom third Ahead of 15% of peers |
| Net interest margin Annualized net interest income over earning assets. | 3.63% | 3.66% | Middle third Ahead of 47% of peers |
| Efficiency ratio Noninterest expense per dollar of revenue. Lower is better. | 60.78% | 55.46% | Bottom third Ahead of 30% of peers |
| Assets per employee Total assets over full-time-equivalent staff. | $10.4M | $8.3M | Top third Ahead of 77% of peers |
| Loans to deposits Net loans and leases over total deposits. | 106.78% | 84.58% | Context |
What it means for lending operations
Its efficiency ratio of 60.78% is above the 55.46% peer median: it spends more to earn each dollar of revenue than most banks its size. Staff time on manual borrower verification (collecting pay stubs, bank statements, and employment letters, then re-keying them) is one of the larger controllable costs behind that number.
Banks closest in size
- Ohnward Bank & Trust Cascade, IA · $499M
- TruBank Indianola, IA · $495M
- Security State Bank Sutherland, IA · $492M
- Raccoon Valley Bank Perry, IA · $486M
- Rolling Hills Bank & Trust Atlantic, IA · $484M
- American Bank and Trust Company, National Association Davenport, IA · $481M
Questions about Grinnell State Bank
How big is Grinnell State Bank?
Grinnell State Bank, established in 1925, is headquartered in Grinnell, IA. It reported $499M in total assets in its Q2 2026 FDIC call report and operates 4 offices.
What is Grinnell State Bank's return on assets?
0.98% annualized in Q2 2026, against a 1.43% median for 97 IA banks with half to twice its assets, ahead of 15% of them.
What is Grinnell State Bank's efficiency ratio?
60.78% in Q2 2026: it spent about 61 cents in noninterest expense for each dollar of revenue. The peer median is 55.46%, and lower is better.
Is Grinnell State Bank growing its loans?
Net loans shrank 0.9% over the year to Q2 2026, while deposits grew 3.9%.
Sources and method
Figures are from the FDIC’s public call report data for the quarter ending 06/30/2026, via FDIC BankFind. Return on assets and net interest margin are annualized year to date. Peers are IA banks with half to twice its assets in the same quarter, excluding this bank. The page refreshes daily, so new quarters appear as banks file. Compare another bank or see every Iowa bank ranked.