Bank Branches › Iowa › Monona County › 313 N 4th St
Full-service office · FDIC office no. 189
The Security National Bank of Sioux City, Iowa
313 N 4th St, Mapleton, IA 51034
Open · June 2026
$75.0M
deposits, 2026
1889
established
1st
of 11 in county
2
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | The Security National Bank of Sioux City, Iowa | $75.0M | +11% |
| Jun 30 2025 | The Security National Bank of Sioux City, Iowa | $67.8M | +14% |
| Jun 30 2024 | The Security National Bank of Sioux City, Iowa | $59.3M | +5% |
| Jun 30 2023 | The Security National Bank of Sioux City, Iowa | $56.4M | −5% |
| Jun 30 2022 | The Security National Bank of Sioux City, Iowa | $59.2M | +5% |
| Jun 30 2021 | The Security National Bank of Sioux City, Iowa | $56.3M | +18% |
| Jun 30 2020 | The Security National Bank of Sioux City, Iowa | $47.6M | +3% |
| Jun 30 2019 | The Security National Bank of Sioux City, Iowa | $46.1M | +3% |
| Jun 30 2018 | The Security National Bank of Sioux City, Iowa | $44.9M | +1% |
| Jun 30 2017 | The Security National Bank of Sioux City, Iowa | $44.5M | −3% |
| Jun 30 2016 | The Security National Bank of Sioux City, Iowa | $45.6M | +5% |
| Jun 30 2015 | The Security National Bank of Sioux City, Iowa | $43.3M | −13% |
| Jun 30 2014 | The Security National Bank of Sioux City, Iowa | $49.5M | +6% |
| Jun 30 2013 | The Security National Bank of Sioux City, Iowa | $46.8M | +6% |
| Jun 30 2012 | The Security National Bank of Sioux City, IowaNEW NAME | $44.1M | +2% |
| Jun 30 2011 | First State Bank of Mapleton | $43.2M | +7% |
| Jun 30 2010 | First State Bank of Mapleton | $40.3M | +2% |
| Jun 30 2009 | First State Bank of Mapleton | $39.7M | +8% |
| Jun 30 2008 | First State Bank of Mapleton | $36.8M | +31% |
| Jun 30 2007 | First State Bank of Mapleton | $28.0M | +2% |
| Jun 30 2006 | First State Bank of Mapleton | $27.4M | +9% |
| Jun 30 2005 | First State Bank of Mapleton | $25.0M | −6% |
| Jun 30 2004 | First State Bank of Mapleton | $26.6M | −4% |
| Jun 30 2003 | First State Bank of Mapleton | $27.6M | +3% |
| Jun 30 2002 | First State Bank of Mapleton | $26.9M | +2% |
| Jun 30 2001 | First State Bank of Mapleton | $26.3M | +6% |
| Jun 30 2000 | First State Bank of Mapleton | $24.9M | −3% |
| Jun 30 1999 | First State Bank of Mapleton | $25.8M | −1% |
| Jun 30 1998 | First State Bank of Mapleton | $26.0M | +9% |
| Jun 30 1997 | First State Bank of Mapleton | $23.9M | −2% |
| Jun 30 1996 | First State Bank of Mapleton | $24.5M | +11% |
| Jun 30 1995 | First State Bank of Mapleton | $22.1M | 0% |
| Jun 30 1994 | First State Bank of Mapleton | $22.0M | |
| 1889-01-01 | Office established (FDIC record) — 105 years before this passbook begins | ||
Nearest other open offices in Monona County
- 0.2 miFirst Security Bank · 401 Main St, Mapleton
- 0.3 miThe Shelby County State Bank · 414 Main St, Mapleton
- 9.4 miCommunity Bank · 131 E Main St, Ute
- 12.8 miCommunity Bank · 205 1st St, Soldier
- 17.3 miUnited Bank of Iowa · 124 Oak St, Moorhead
- 18.4 miBankFirst · 902 10th St, Onawa
- 18.4 miGreat Southern Bank · 921 Iowa Ave, Onawa
- 18.5 miU.S. Bank National Association · 1030 10th St, Onawa
All banks in Monona County →
Every The Security National Bank of Sioux City, Iowa office →
Earlier names and banks folded into The Security National Bank of Sioux City, Iowa →
Names on the sign
1994–2011First State Bank of Mapleton2012–nowThe Security National Bank of Sioux City, Iowa
The FDIC office number stays with the building when banks merge or rename, so the same office appears under each owner. Follow an earlier name to see what became of that bank.
Deposits are the balances the bank assigned to this office on June 30 of each year, in nominal dollars. Source: FDIC Summary of Deposits, office (UNINUMBR) 189.