Bank Branches › Iowa › Mahaska County
Banks in Mahaska County, Iowa
Mahaska County has 8 bank offices, 4 fewer than its peak of 12 in 1994 (−33%). They belong to 7 banks, led by Bank Iowa with 2.
8
offices, 2026
12
peak (1994)
8
no longer reported
$589M
deposits booked
Map
open (8)no longer reported (5 of 8 have map coordinates)
The county's passbook
Bank offices reporting on June 30Deposits booked at them (nominal dollars, own scale)
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994PEAK | 12 | $292M | |
| Jun 30 1995 | 12 | · | $293M |
| Jun 30 2000 | 11 | · | $344M |
| Jun 30 2005 | 11 | · | $383M |
| Jun 30 2010 | 12 | · | $448M |
| Jun 30 2015 | 10 | · | $454M |
| Jun 30 2020 | 10 | · | $538M |
| Jun 30 2025 | 9 | −1 | $585M |
| Jun 30 2026NOW | 8 | −1 | $589M |
Open the full passbook — all 33 years ▾
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994PEAK | 12 | $292M | |
| Jun 30 1995 | 12 | · | $293M |
| Jun 30 1996 | 11 | −1 | $314M |
| Jun 30 1997 | 11 | · | $327M |
| Jun 30 1998 | 11 | · | $342M |
| Jun 30 1999 | 11 | · | $337M |
| Jun 30 2000 | 11 | · | $344M |
| Jun 30 2001 | 11 | · | $355M |
| Jun 30 2002 | 11 | · | $361M |
| Jun 30 2003 | 11 | · | $360M |
| Jun 30 2004 | 11 | · | $371M |
| Jun 30 2005 | 11 | · | $383M |
| Jun 30 2006 | 12 | +1 | $414M |
| Jun 30 2007 | 12 | · | $444M |
| Jun 30 2008 | 12 | · | $448M |
| Jun 30 2009 | 12 | · | $453M |
| Jun 30 2010 | 12 | · | $448M |
| Jun 30 2011 | 11 | −1 | $458M |
| Jun 30 2012 | 11 | · | $474M |
| Jun 30 2013 | 10 | −1 | $456M |
| Jun 30 2014 | 10 | · | $399M |
| Jun 30 2015 | 10 | · | $454M |
| Jun 30 2016 | 10 | · | $466M |
| Jun 30 2017 | 10 | · | $446M |
| Jun 30 2018 | 10 | · | $451M |
| Jun 30 2019 | 10 | · | $464M |
| Jun 30 2020 | 10 | · | $538M |
| Jun 30 2021 | 10 | · | $584M |
| Jun 30 2022 | 10 | · | $616M |
| Jun 30 2023 | 10 | · | $569M |
| Jun 30 2024 | 10 | · | $578M |
| Jun 30 2025 | 9 | −1 | $585M |
| Jun 30 2026NOW | 8 | −1 | $589M |
Banks in Mahaska County
| Bank | Offices | Deposits here |
|---|---|---|
| Bank Iowa | 2 | $158M |
| Nicolet National Bank | 1 | $216M |
| TruBank | 1 | $71.1M |
| Leighton State Bank | 1 | $30.4M |
| Twin Cedars Bank | 1 | $44.2M |
| Great Southern Bank | 1 | $36.4M |
| First State Bank | 1 | $32.6M |
Every bank office open in Mahaska County
| Bank | Address | Deposits |
|---|---|---|
| Nicolet National BankOskaloosa Motor Bank - Branch 300 | 222 1st Ave EOskaloosa 52577 · Drive-through / facility office | $216M |
| Bank IowaBank Iowa Oskaloosa Branch | 1710 3rd Ave EOskaloosa 52577 | $123M |
| TruBankOskaloosa Branch | 302 S Market StOskaloosa 52577 | $71.1M |
| Twin Cedars BankOskaloosa Branch | 201 Cornerstone DrOskaloosa 52577 | $44.2M |
| Great Southern BankOskaloosa Branch | 509 A Ave WOskaloosa 52577 | $36.4M |
| Bank IowaFremont Branch | 210 E Main StFremont 52561 | $34.9M |
| First State BankNew Sharon Branch | 102 S Main StNew Sharon 50207 | $32.6M |
| Leighton State BankLeighton Branch | 225 Otley StLeighton 50143 | $30.4M |
Sorted by deposits booked on June 30, 2026. "Opened" is the establishment date in the FDIC record.
Offices no longer reported
Offices in Mahaska County that filed a report in some year from 1994 on and are missing from 2026. Most closed; some were sold to non-banks or converted. Newest departures first.
| Last bank on the sign | Address | Last report |
|---|---|---|
| MidWestOne Bank | 124 S 1st StOskaloosa 52577 | 2025 |
| U.S. Bank National Association | 102 South MainNew Sharon 50207 | 2020 |
| Bank of the West | 110 South D Street Office 100Oskaloosa 52577 | 2012 |
| MidWestOne Bank | 301 'a' Avenue WestOskaloosa 52577 · Drive-through / facility office | 2010 |
| Horizon Bank | 301 First Ave EOskaloosa 52577 | 2007 |
| Horizon Bankre-filed as office 480025 | 509 A Ave WOskaloosa 52577 | 2007 |
| Commercial Federal Bank, a Federal Savings Bank | 110 S. D St. Suite 100Oskaloosa 52577 | 2005 |
| AmerUs Bank | 110 South D Street Office 100Oskaloosa 52577 | 1998 |
| Mahaska State Bank | Highway 63 SouthOskaloosa 52577 | 1995 |
| Midland Savings Bank FSBre-filed as office 1282540010 | 110 South D Street Office 100Oskaloosa 52577 | 1994 |
County FIPS 19123 · 571 square miles of land (2024 Census Gazetteer).