Great Midwest Bank, S.S.B.
Brookfield, WI
$1.1B
total assets, June 30, 2026
$1.1B
total assets, June 30, 2026
Great Midwest Bank, S.S.B. is a state savings bank based in Brookfield, WI. As of June 30, 2026 it held $1.1 billion in assets and $620.8 million in deposits; assets were up 6.8% from a year before. It has 8 branches.
Updated Oct 11, 2026 · numbers as of June 30, 2026
Total assets
$1.1B
+6.8% in a year · +0.3% in a quarter
Deposits
$621M
-1.0% in a year · +0.6% in a quarter
Loans
$939M
+6.6% in a year · +3.1% in a quarter
Profit so far
$6.0M
Jan 1 to Jun 30, 2026 · +99.8% in a year
Capital ratio
16.50%
+0.09 pts in a year
Return on assets
1.14%
+0.54 pts in a year
Facts
- Type
- State savings bank
- Head office
- 15900 W Bluemound Rd, Brookfield, WI, 53005
- County
- Waukesha
- Established
- Mar 25, 1936
- Employees
- 82
- Branches
- 8
- Website
- www.greatmidwestbank.com
- Id
- b29657
Quarter by quarter
March 31, 1984 to June 30, 2026
Assets, deposits and loans
Each quarter end, US dollars
Profit by quarter
Net income of each quarter, the last 12
Ratios
Percent. Return on assets and net interest margin are yearly rates.
Branches
8 offices as of June 30, 2026, holding $620.8 million in deposits
Branch map
Every branch, sized by its deposits
| State | Branches | Deposits | Share |
|---|---|---|---|
| Wisconsin | 8 | $621M | 100.0% |
| Largest branches | Place | Deposits |
|---|---|---|
| Great Midwest Bank, S.S.B. (main office) | Brookfield, WI | $338M |
| 5150 South 76Th Street Branch | Greendale, WI | $63.9M |
| 4775 South 27Th Street Branch | Greenfield, WI | $56.2M |
| 600 Hartbrook Dr Branch | Hartland, WI | $45.9M |
| 1050 East Chestnut Street | Chilton, WI | $38.0M |
| 10269 West National Ave Branch | West Allis, WI | $36.7M |
| Madison Office Branch | Middleton, WI | $23.6M |
| 505 West Brown Deer Road Branch | Bayside, WI | $19.0M |
Related pages
Questions and answers
How big is Great Midwest Bank, S.S.B.?
$1.1 billion in total assets and $620.8 million in deposits as of June 30, 2026, with assets up 6.8% from a year before. Its loans were $938.9 million.
How many branches does Great Midwest Bank, S.S.B. have?
8 branches in Wisconsin as of June 30, 2026.
Is Great Midwest Bank, S.S.B. profitable?
Yes: it earned $6.00 million from January 1 to June 30, 2026 (up 99.8% from the same months a year before). Its return on assets was 1.14% a year; about 1% is typical.
Official public data from the reports every insured bank files each quarter. Profit so far runs from January 1 to the quarter end. Branch deposits are counted once a year, as of June 30. New quarters appear about two months after the quarter ends.