Northbrook Bank and Trust Company, National Association is headquartered in Northbrook, Illinois. It is a national bank (chartered by the OCC), established 11/22/2000 and insured by the FDIC since 11/22/2000. At the 06/30/2026 reporting date it held $6.4 billion in assets and $5.4 billion in deposits across 7 offices.
Size
By total assets it ranks #240 of 4,213 active FDIC-insured banks in the United States. Among the 322 FDIC-insured banks headquartered in Illinois it ranks #14.
Capital and earnings
| Equity capital | $532 million (8.3% of assets) |
|---|---|
| Net income, year to date | $45 million through 06/30/2026 |
| Return on assets (annualized) | 1.42% |
Equity capital is what the bank owns after subtracting its liabilities; a higher share of assets means a thicker cushion against losses. These are the bank’s own regulatory filings, not a rating or a recommendation.
Is it FDIC insured?
Yes. Northbrook Bank and Trust Company, National Association holds FDIC certificate number 57082. Deposits are insured up to $250,000 per depositor, per insured bank, per ownership category. You can confirm this on the bank’s FDIC BankFind page.
Other large banks in Illinois
- BMO Bank National Association, $255 billion in assets
- The Northern Trust Company, $179 billion in assets
- CIBC Bank USA, $66.5 billion in assets
- Busey Bank, $18.1 billion in assets
- Byline Bank, $9.9 billion in assets
- Wintrust Bank, National Association, $9.6 billion in assets
Banks of a similar size
- United Fidelity Bank, fsb, #238, $6.5 billion in assets
- Choice Financial Group, #239, $6.4 billion in assets
- Five Star Bank, #241, $6.3 billion in assets
- Mercantile Bank, #242, $6.2 billion in assets
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This page reports regulatory data only. It does not show the bank’s rates or products, which change often and are listed on the bank’s own site. northbrookbank.com