Pioneer Bank
Sergeant Bluff, IA · Owner: Pioneer Development Co
$283M
total assets, June 30, 2026
$283M
total assets, June 30, 2026
Pioneer Bank is a state nonmember bank based in Sergeant Bluff, IA, owned by Pioneer Development Co. As of June 30, 2026 it held $282.8 million in assets and $243.0 million in deposits; assets were down 4.4% from a year before. It has 4 branches in 2 states.
Updated Oct 11, 2026 · numbers as of June 30, 2026
Total assets
$283M
-4.4% in a year · -4.2% in a quarter
Deposits
$243M
-8.5% in a year · -7.2% in a quarter
Loans
$208M
+7.2% in a year · +2.3% in a quarter
Profit so far
$2.4M
Jan 1 to Jun 30, 2026 · +29.1% in a year
Capital ratio
10.56%
+1.44 pts in a year
Return on assets
1.67%
+0.35 pts in a year
Facts
- Type
- State nonmember bank
- Head office
- 202 1st St, Sergeant Bluff, IA, 51054
- County
- Woodbury
- Holding company
- Pioneer Development Co
- Established
- Jan 1, 1907
- Employees
- 33
- Branches
- 4 in 2 states
- Website
- www.pioneerbanks.com
- Id
- b19540
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
4 offices as of June 30, 2026, holding $243.0 million in deposits
Branch map
Every branch, sized by its deposits
| State | Branches | Deposits | Share |
|---|---|---|---|
| Iowa | 3 | $191M | 78.8% |
| South Dakota | 1 | $51.6M | 21.2% |
| Largest branches | Place | Deposits |
|---|---|---|
| Pioneer Bank (main office) | Sergeant Bluff, IA | $116M |
| Singing Hills Branch | Sioux City, IA | $60.1M |
| Dunes Branch | Dakota Dunes, SD | $51.6M |
| Sioux City Branch | Sioux City, IA | $15.7M |
Related pages
Questions and answers
How big is Pioneer Bank?
$282.8 million in total assets and $243.0 million in deposits as of June 30, 2026, with assets down 4.4% from a year before. Its loans were $208.4 million.
How many branches does Pioneer Bank have?
4 branches in 2 states as of June 30, 2026. The most deposits are in Iowa ($191.4 million).
Is Pioneer Bank profitable?
Yes: it earned $2.40 million from January 1 to June 30, 2026 (up 29.1% from the same months a year before). Its return on assets was 1.67% a year; about 1% is typical.
Who owns Pioneer Bank?
Pioneer Bank is owned by Pioneer Development Co, 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.