Northbrook Bank and Trust Company, National Association: how it compares with its peers
Against 21 IL banks with half to twice its assets, Northbrook Bank and Trust Company, National Association's strongest measure in Q2 2026 is assets per employee ($70.7M vs. a $10.8M peer median). Its weakest relative measure is net interest margin (2.78% vs. 3.39%).
| Measure | This bank | Peer median | Rank |
|---|---|---|---|
| Return on assets Annualized net income over average assets. | 1.42% | 1.44% | Middle third Ahead of 43% of peers |
| Net interest margin Annualized net interest income over earning assets. | 2.78% | 3.39% | Bottom third Ahead of 5% of peers |
| Efficiency ratio Noninterest expense per dollar of revenue. Lower is better. | 29.17% | 47.72% | Top third Ahead of 95% of peers |
| Assets per employee Total assets over full-time-equivalent staff. | $70.7M | $10.8M | Top third Ahead of 100% of peers |
| Loans to deposits Net loans and leases over total deposits. | 82.72% | 87.44% | Context |
What it means for lending operations
Its efficiency ratio of 29.17% is better than the 47.72% peer median. Banks that already run lean usually find their next gains in loan growth: faster digital applications and fewer borrowers abandoning a slow document chase.
Banks closest in size
- Midland States Bank Effingham, IL · $6.69B
- Heartland Bank and Trust Company Bloomington, IL · $6.72B
- Hinsdale Bank & Trust Company, National Association Hinsdale, IL · $6.80B
- Old Second National Bank Aurora, IL · $6.86B
- Morton Community Bank Morton, IL · $5.35B
- Barrington Bank & Trust Company, National Association Barrington, IL · $5.17B
Questions about Northbrook Bank and Trust Company, National Association
How big is Northbrook Bank and Trust Company, National Association?
Northbrook Bank and Trust Company, National Association, established in 2000, is headquartered in Northbrook, IL. It reported $6.37B in total assets in its Q2 2026 FDIC call report and operates 7 offices.
What is Northbrook Bank and Trust Company, National Association's return on assets?
1.42% annualized in Q2 2026, against a 1.44% median for 21 IL banks with half to twice its assets, ahead of 43% of them.
What is Northbrook Bank and Trust Company, National Association's efficiency ratio?
29.17% in Q2 2026: it spent about 29 cents in noninterest expense for each dollar of revenue. The peer median is 47.72%, and lower is better.
Is Northbrook Bank and Trust Company, National Association growing its loans?
Net loans grew 9.0% over the year to Q2 2026, while deposits grew 11.6%.
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 IL 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 Illinois bank ranked.