Isabella Bank
Mount Pleasant, Michigan, Isabella County
$2.2B in total assets, the 584th largest of 4,309 US banks and 8th of 74 headquartered in Michigan.
- FDIC certificate
- 1005
- Established
- 1903
- Owned by
- Isabella Bank Corp
- Primary regulator
- FED
- Website
- www.isabellabank.com
At a glance
Compared with 17 banks headquartered in Michigan 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 | $2.2B | 59% | $1.5B | |
| Loans | $1.6B | 59% | $1.2B | |
| Deposits | $1.8B | 59% | $1.3B | |
| Return on assets | 1.06% | 24% | 1.30% | |
| Net interest margin | 3.47% | 6% | 3.81% | |
| Efficiency ratio | 64.2% | 65% | 61.5% | |
| Equity to assets | 8.76% | 29% | 9.41% | |
| Loans to deposits | 86% | 18% | 94% |
Growth
Total assets grew 1.8% a year over the last 5 years and 2.9% a year over 10 years, without acquisitions.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| Jan 2008 | Greenville Community Bank Greenville, MI | $108M |
| Apr 2007 | FSB Bank Breckenridge, MI, an affiliate under the same holding company | $261M |
| Jan 1982 | The Blanchard State Bank Blanchard, MI | n/a |
| Jul 1970 | Weidman State Bank Weidman, MI | n/a |
Where they operate
31 branches in 8 counties.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Isabella County, MI | $771M | 55.3% | 1 of 5 |
| Mecosta County, MI | $249M | 34.0% | 1 of 8 |
| Montcalm County, MI | $203M | 21.2% | 2 of 7 |
| Saginaw County, MI | $191M | 7.3% | 7 of 10 |
| Clare County, MI | $173M | 40.1% | 1 of 3 |
| Midland County, MI | $133M | 11.6% | 4 of 7 |
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 2 branches since 2016 (29 to 31, +6.9%). 3 opened, 0 acquired, 1 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 29 | |||
| 2018 | Opened Saginaw | 1 | 0 | +1 | 30 |
| 2022 | Closed Lake | 0 | 1 | −1 | 29 |
| 2023 | Opened Bay City and Saginaw | 2 | 0 | +2 | 31 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| 1-4 family residential | 34% | 36% | |
| Commercial real estate | 25% | 31% | |
| Business (C&I) | 11% | 14% | |
| Construction and land | 8% | 5% | |
| Multifamily | 5% | 4% | |
| Farmland | 4% | 1% | |
| Consumer | 4% | 2% | |
| Agricultural | 2% | 1% | |
| Other | 7% | 6% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 56% | 50% | |
| Noninterest-bearing | 22% | 23% | |
| Time deposits | 21% | 28% |
Brokered deposits are 0.0% of deposits (peers 11.1%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 0.49% | 0.76% |
| Net charge-offs, annualized | 0.08% | 0.02% |
| Reserves to loans | 0.91% | 1.12% |
| Leverage ratio | 8.93% | 9.54% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in Michigan
Largest competitors in Isabella County, MI
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/isabella