Dieterich Bank
Effingham, IL · Owner: Prime Banc Corp
$1.6B
total assets, June 30, 2026
$1.6B
total assets, June 30, 2026
Dieterich Bank is a state member bank based in Effingham, IL, owned by Prime Banc Corp. As of June 30, 2026 it held $1.6 billion in assets and $1.3 billion in deposits; assets were up 10.8% from a year before. It has 17 branches.
Updated Oct 11, 2026 · numbers as of June 30, 2026
Total assets
$1.6B
+10.8% in a year · +0.2% in a quarter
Deposits
$1.3B
+13.2% in a year · -0.3% in a quarter
Loans
$1.1B
+14.7% in a year · +1.4% in a quarter
Profit so far
$5.3M
Jan 1 to Jun 30, 2026 · +7.5% in a year
Capital ratio
8.42%
-0.65 pts in a year
Return on assets
0.69%
-0.03 pts in a year
Facts
- Type
- State member bank
- Head office
- 300 Sur Woods Dr, Effingham, IL, 62401
- County
- Effingham
- Holding company
- Prime Banc Corp
- Established
- Jan 1, 1909
- Employees
- 201
- Branches
- 17
- Website
- www.dieterichbank.com
- Id
- b3787
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
17 offices as of June 30, 2026, holding $1.3 billion in deposits
Branch map
Every branch, sized by its deposits
| State | Branches | Deposits | Share |
|---|---|---|---|
| Illinois | 17 | $1.3B | 100.0% |
| Largest branches | Place | Deposits |
|---|---|---|
| Effingham Branch | Effingham, IL | $236M |
| Dieterich Branch | Dieterich, IL | $135M |
| Teutopolis Branch | Effingham, IL | $115M |
| Red Bud North Branch | Red Bud, IL | $113M |
| Newton Branch | Newton, IL | $100M |
| Trenton Branch | Trenton, IL | $88.6M |
| Breese South Branch | Breese, IL | $84.6M |
| Red Bud South Branch | Red Bud, IL | $82.7M |
| Edwardsville Branch | Edwardsville, IL | $68.0M |
| Chester Branch | Chester, IL | $66.5M |
Related pages
Questions and answers
How big is Dieterich Bank?
$1.6 billion in total assets and $1.3 billion in deposits as of June 30, 2026, with assets up 10.8% from a year before. Its loans were $1.1 billion.
How many branches does Dieterich Bank have?
17 branches in Illinois as of June 30, 2026.
Is Dieterich Bank profitable?
Yes: it earned $5.33 million from January 1 to June 30, 2026 (up 7.5% from the same months a year before). Its return on assets was 0.69% a year; about 1% is typical.
Who owns Dieterich Bank?
Dieterich Bank is owned by Prime Banc Corp, its holding company.
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.