Bank Branches › Iowa › Ringgold County › 100 E South St
Full-service office · FDIC office no. 12493
First Interstate Bank
100 E South St, Mount Ayr, IA 50854
Open · June 2026
$28.5M
deposits, 2026
1934
established
3rd
of 4 in county
3
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | First Interstate Bank | $28.5M | −5% |
| Jun 30 2025 | First Interstate Bank | $30.0M | −7% |
| Jun 30 2024 | First Interstate Bank | $32.1M | −7% |
| Jun 30 2023 | First Interstate Bank | $34.6M | −20% |
| Jun 30 2022 | First Interstate BankNEW NAME | $43.1M | +10% |
| Jun 30 2021 | Great Western Bank | $39.1M | +12% |
| Jun 30 2020 | Great Western Bank | $34.9M | +14% |
| Jun 30 2019 | Great Western Bank | $30.7M | +10% |
| Jun 30 2018 | Great Western Bank | $27.8M | 0% |
| Jun 30 2017 | Great Western Bank | $27.9M | −3% |
| Jun 30 2016 | Great Western Bank | $28.8M | −12% |
| Jun 30 2015 | Great Western Bank | $32.7M | −10% |
| Jun 30 2014 | Great Western Bank | $36.3M | −3% |
| Jun 30 2013 | Great Western Bank | $37.4M | +1% |
| Jun 30 2012 | Great Western Bank | $37.0M | +21% |
| Jun 30 2011 | Great Western Bank | $30.6M | +4% |
| Jun 30 2010 | Great Western Bank | $29.3M | −2% |
| Jun 30 2009 | Great Western Bank | $29.8M | −3% |
| Jun 30 2008 | Great Western Bank | $30.8M | +51% |
| Jun 30 2007 | Great Western Bank | $20.3M | +12% |
| Jun 30 2006 | Great Western Bank | $18.2M | +5% |
| Jun 30 2005 | Great Western Bank | $17.4M | +11% |
| Jun 30 2004 | Great Western Bank | $15.7M | +1% |
| Jun 30 2003 | Great Western BankNEW NAME | $15.5M | +11% |
| Jun 30 2002 | Citizens Bank | $13.9M | −3% |
| Jun 30 2001 | Citizens Bank | $14.4M | +84% |
| Jun 30 2000 | Citizens Bank | $7.9M | +52% |
| Jun 30 1999 | Citizens Bank | $5.2M | +229% |
| Jun 30 1998 | Citizens Bank | $1.6M | −96% |
| Jun 30 1997 | Citizens Bank | $40.2M | +6% |
| Jun 30 1996 | Citizens Bank | $37.9M | +1% |
| Jun 30 1995 | Citizens Bank | $37.6M | +16% |
| Jun 30 1994 | Citizens Bank | $32.4M | |
| 1934-01-01 | Office established (FDIC record) — 60 years before this passbook begins | ||
Nearest other open offices in Ringgold County
- <0.1 miCity State Bank · 103 W South St, Mount Ayr
- 0.3 miU.S. Bank National Association · 101 S Fillmore St, Mount Ayr
- 0.5 miPCSB Bank · 904 E South St, Mount Ayr
All banks in Ringgold County →
Every First Interstate Bank office →
Earlier names and banks folded into First Interstate Bank →
Names on the sign
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) 12493.