Midwest Bank
Monmouth, Illinois, Warren County
$736M in total assets, the 1,355th largest of 4,309 US banks and 70th of 328 headquartered in Illinois.
- FDIC certificate
- 3711
- Established
- 1870
- Owned by
- 1870 Holdings Inc
- Primary regulator
- FED
- Website
- www.mbwi.com
At a glance
Compared with 211 banks headquartered in Illinois with $100 million to $1 billion in assets, as of June 30, 2026.
| Measure | This bank | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $736M | 93% | $286M | |
| Loans | $438M | 89% | $174M | |
| Deposits | $578M | 89% | $237M | |
| Return on assets | 0.93% | 36% | 1.13% | |
| Net interest margin | 3.38% | 32% | 3.70% | |
| Efficiency ratio | 59.0% | 34% | 64.2% | |
| Equity to assets | 8.30% | 15% | 10.44% | |
| Loans to deposits | 76% | 50% | 76% |
Growth
Total assets grew 3.0% a year over the last 5 years and 5.1% a year over 10 years, including 1 acquisition in the last 10 years.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| Sep 2018 | Andalusia Community Bank Andalusia, IL | $40M |
| Sep 1994 | Midwest Bank of Oquawka Oquawka, IL | $13M |
Where they operate
8 branches in 6 counties.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Warren County, IL | $325M | 50.9% | 1 of 6 |
| Knox County, IL | $72M | 3.2% | 7 of 12 |
| Mercer County, IL | $67M | 16.2% | 4 of 6 |
| Henderson County, IL | $52M | 21.2% | 3 of 4 |
| Rock Island County, IL | $50M | 1.7% | 12 of 16 |
| Tazewell County, IL | $11M | 0.3% | 14 of 18 |
Deposits by branch from the FDIC Summary of Deposits, June 2026. Rank among all banks with branches in that county.
Branch history since 2016
No net change since 2016 (8 branches then and now). 1 opened, 2 acquired, 3 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 8 | |||
| 2018 | Acquired Andalusia Community Bank | 2 | 0 | +2 | 10 |
| 2019 | Opened East PeoriaClosed Monmouth | 1 | 1 | 0 | 10 |
| 2020 | Closed Kirkwood and Monmouth | 0 | 2 | −2 | 8 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Commercial real estate | 21% | 23% | |
| Farmland | 20% | 13% | |
| 1-4 family residential | 20% | 30% | |
| Agricultural | 14% | 7% | |
| Business (C&I) | 11% | 12% | |
| Multifamily | 6% | 6% | |
| Construction and land | 4% | 4% | |
| Consumer | 3% | 4% | |
| Other | 2% | 1% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 59% | 46% | |
| Time deposits | 30% | 35% | |
| Noninterest-bearing | 11% | 19% |
Brokered deposits are 6.6% of deposits (peers 2.1%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 0.32% | 0.52% |
| Net charge-offs, annualized | 0.03% | 0.01% |
| Reserves to loans | 1.24% | 1.14% |
| Leverage ratio | 8.80% | 10.91% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in Illinois
Largest competitors in Warren County, IL
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/banks/midwest-bank-monmouth-il