Armstrong Bank
Muskogee, Oklahoma, Muskogee County
$2.8B in total assets, the 465th largest of 4,309 US banks and 9th of 171 headquartered in Oklahoma.
- FDIC certificate
- 2315
- Established
- 1910
- Owned by
- Ironhorse Financial Group Inc
- Primary regulator
- FED
- Website
- www.armstrong.bank
At a glance
Compared with 20 banks headquartered in Oklahoma with $1 billion to $10 billion in assets, as of June 30, 2026.
| Measure | This bank | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $2.8B | 80% | $1.6B | |
| Loans | $2.1B | 80% | $1.2B | |
| Deposits | $2.6B | 85% | $1.2B | |
| Return on assets | 1.37% | 45% | 1.41% | |
| Net interest margin | 3.99% | 50% | 3.91% | |
| Efficiency ratio | 59.1% | 45% | 60.6% | |
| Equity to assets | 8.19% | 10% | 10.43% | |
| Loans to deposits | 80% | 35% | 95% |
Growth
Total assets grew 3.5% a year over the last 5 years and 12.6% a year over 10 years, including 1 acquisition in the last 10 years.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| Mar 2020 | Republic Bank & Trust Norman, OK, an affiliate under the same holding company | $697M |
| May 2015 | Benefit Bank Fort Smith, AR | $195M |
| Jul 1994 | Lake Country Bank Webbers Falls, OK | $10M |
| Jul 1991 | Sequoyah State Bank of Muldrow Muldrow, OK | $17M |
| Jul 1988 | The Security Bank Warner, OK | $9M |
Where they operate
29 branches in 15 counties.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Cleveland County, OK | $642M | 10.4% | 3 of 28 |
| Muskogee County, OK | $438M | 28.0% | 1 of 8 |
| Sequoyah County, OK | $355M | 41.8% | 1 of 5 |
| Cherokee County, OK | $258M | 26.5% | 2 of 6 |
| Tulsa County, OK | $182M | 0.5% | 31 of 52 |
| Sebastian County, AR | $157M | 3.9% | 7 of 16 |
Deposits by branch from the FDIC Summary of Deposits, June 2026. Rank among all banks with branches in that county.
Branch history since 2016
Net gain of 7 branches since 2016 (22 to 29, +31.8%). 10 opened, 5 acquired, 8 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 22 | |||
| 2019 | Closed Park Hill | 0 | 1 | −1 | 21 |
| 2020 | Acquired Republic Bank & Trust | 5 | 0 | +5 | 26 |
| 2021 | Opened 6 in 2 statesClosed 3 in Arkansas | 6 | 3 | +3 | 29 |
| 2022 | Closed Catoosa | 0 | 1 | −1 | 28 |
| 2023 | Opened Bixby | 1 | 0 | +1 | 29 |
| 2024 | Closed Oologah | 0 | 1 | −1 | 28 |
| 2025 | Opened Oklahoma City and Tulsa | 2 | 0 | +2 | 30 |
| 2026 through Q2 | Opened RogersClosed Collinsville and Dewey | 1 | 2 | −1 | 29 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| 1-4 family residential | 33% | 18% | |
| Commercial real estate | 25% | 36% | |
| Construction and land | 13% | 12% | |
| Business (C&I) | 8% | 18% | |
| Consumer | 5% | 5% | |
| Multifamily | 4% | 3% | |
| Farmland | 4% | 3% | |
| Agricultural | 1% | 2% | |
| Other | 7% | 3% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 49% | 51% | |
| Noninterest-bearing | 26% | 25% | |
| Time deposits | 25% | 24% |
Brokered deposits are 0.0% of deposits (peers 7.8%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 0.25% | 0.65% |
| Net charge-offs, annualized | 0.15% | 0.01% |
| Reserves to loans | 1.06% | 1.19% |
| Leverage ratio | 10.42% | 10.30% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in Oklahoma
Largest competitors in Cleveland County, OK
Figures as of June 30, 2026 from the bank's Call Report, FDIC structure and branch data, and the Federal Reserve. Short link: bankingstats.com/armstrong