State Bank of Chilton
Chilton, Wisconsin, Calumet County
$517M in total assets, the 1,778th largest of 4,309 US banks and 67th of 155 headquartered in Wisconsin.
- FDIC certificate
- 12331
- Established
- 1891
- Owned by
- Calumet Bcorp Inc
- Primary regulator
- FDIC
- Website
- www.statebankofchilton.com
At a glance
Compared with 109 banks headquartered in Wisconsin 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 | $517M | 69% | $344M | |
| Loans | $438M | 84% | $241M | |
| Deposits | $436M | 73% | $287M | |
| Return on assets | 2.50% | 94% | 1.24% | |
| Net interest margin | 4.39% | 91% | 3.85% | |
| Efficiency ratio | 40.9% | 7% | 60.7% | |
| Equity to assets | 12.71% | 77% | 10.38% | |
| Loans to deposits | 101% | 80% | 86% |
Growth
Total assets grew 6.5% a year over the last 5 years and 7.3% a year over 10 years, without acquisitions.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| Jun 2016 | Calumet County Bank Brillion, WI | $89M |
| Jan 2001 | State Bank of Stockbridge Stockbridge, WI | $19M |
Where they operate
5 branches in 2 counties.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Calumet County, WI | $389M | 46.6% | 1 of 8 |
| Waukesha County, WI | $47M | 0.2% | 31 of 34 |
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 (3 to 5, +66.7%). 1 opened, 2 acquired, 1 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 3 | |||
| 2016 | Acquired Calumet County Bank | 2 | 0 | +2 | 5 |
| 2020 | Opened BrookfieldClosed Milwaukee | 1 | 1 | 0 | 5 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Commercial real estate | 51% | 28% | |
| 1-4 family residential | 20% | 32% | |
| Multifamily | 11% | 8% | |
| Business (C&I) | 7% | 10% | |
| Construction and land | 5% | 7% | |
| Farmland | 3% | 8% | |
| Consumer | 1% | 2% | |
| Agricultural | 1% | 2% | |
| Other | 3% | 2% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 45% | 48% | |
| Time deposits | 33% | 34% | |
| Noninterest-bearing | 23% | 19% |
Brokered deposits are 0.0% of deposits (peers 5.7%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 0.58% | 0.22% |
| Net charge-offs, annualized | -0.02% | 0.00% |
| Reserves to loans | 1.74% | 1.14% |
| Leverage ratio | 12.75% | 10.93% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in Wisconsin
Largest competitors in Calumet County, WI
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/state-bank-chilton-wi