Largest banks headquartered in Indiana
Indiana is home to 3 of the largest US banks by assets. The biggest is Old National Bank with $72.6B in total assets. The table below lists each one with its capital ratio, Texas Ratio and BankGrade grade from the Q1 2026 (call report dated March 31, 2026) FDIC call report. A bank's HQ state does not limit where it operates — many serve customers nationwide.
Source: FDIC BankFind Suite API. Data as of June 2026.
| # | Bank | City | Total assets | Capital ratio | Texas Ratio | Grade |
|---|---|---|---|---|---|---|
| 1 | Old National Bank | Evansville | $72.6B | 11.3% | 5.91% | B |
| 2 | First Merchants Bank | Muncie | $21.0B | 12.9% | 3.25% | B |
| 3 | Merchants Bank of Indiana | Carmel | $20.3B | 11.1% | 13.18% | C |
Source: FDIC BankFind Suite API, Q1 2026 (call report dated March 31, 2026). Data as of June 2026.
Each bank links to its full page from the bank index: Old National Bank · First Merchants Bank · Merchants Bank of Indiana.
Frequently asked questions
What is the largest bank headquartered in Indiana?
Old National Bank is the largest bank headquartered in Indiana among the biggest US banks, with $72.6B in total assets on its Q1 2026 (call report dated March 31, 2026) FDIC call report. Indiana is home to 3 of the largest US banks by assets.
Does a bank's headquarters state affect where it operates?
No. A bank's headquarters state, shown on FDIC records, is where it is chartered and domiciled — it does not limit where it takes deposits or lends. Many banks headquartered in states like Delaware, South Dakota or Utah serve customers across the entire country. FDIC deposit insurance applies the same way wherever the bank is based.
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Last updated: 2026-06-20