Bank Branches › Iowa › Fremont County › 900 Illinois St
Full-service office · FDIC office no. 9028
First Interstate Bank
900 Illinois St, Sidney, IA 51652
Open · June 2026
$19.8M
deposits, 2026
1915
established
5th
of 7 in county
4
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | First Interstate Bank | $19.8M | −3% |
| Jun 30 2025 | First Interstate Bank | $20.4M | 0% |
| Jun 30 2024 | First Interstate Bank | $20.4M | −25% |
| Jun 30 2023 | First Interstate Bank | $27.1M | +16% |
| Jun 30 2022 | First Interstate BankNEW NAME | $23.3M | −7% |
| Jun 30 2021 | Great Western Bank | $25.0M | +12% |
| Jun 30 2020 | Great Western Bank | $22.4M | +3% |
| Jun 30 2019 | Great Western Bank | $21.8M | +7% |
| Jun 30 2018 | Great Western Bank | $20.4M | +7% |
| Jun 30 2017 | Great Western Bank | $19.0M | +5% |
| Jun 30 2016 | Great Western Bank | $18.2M | +1% |
| Jun 30 2015 | Great Western Bank | $17.9M | −4% |
| Jun 30 2014 | Great Western Bank | $18.6M | +27% |
| Jun 30 2013 | Great Western Bank | $14.6M | +1% |
| Jun 30 2012 | Great Western Bank | $14.5M | +8% |
| Jun 30 2011 | Great Western Bank | $13.5M | −3% |
| Jun 30 2010 | Great Western Bank | $13.9M | −6% |
| Jun 30 2009 | Great Western Bank | $14.8M | +9% |
| Jun 30 2008 | Great Western Bank | $13.6M | +34% |
| Jun 30 2007 | Great Western Bank | $10.2M | +9% |
| Jun 30 2006 | Great Western Bank | $9.3M | +14% |
| Jun 30 2005 | Great Western Bank | $8.2M | +20% |
| Jun 30 2004 | Great Western Bank | $6.8M | −1% |
| Jun 30 2003 | Great Western BankNEW NAME | $6.9M | −8% |
| Jun 30 2002 | Citizens Bank | $7.5M | −4% |
| Jun 30 2001 | Citizens BankNEW NAME | $7.8M | −26% |
| Jun 30 2000 | United National Bank of Iowa | $10.6M | −10% |
| Jun 30 1999 | United National Bank of Iowa | $11.7M | +10% |
| Jun 30 1998 | United National Bank of Iowa | $10.7M | +1% |
| Jun 30 1997 | United National Bank of Iowa | $10.6M | 0% |
| Jun 30 1996 | United National Bank of Iowa | $10.6M | +16% |
| Jun 30 1995 | United National Bank of Iowa | $9.1M | −12% |
| Jun 30 1994 | United National Bank of Iowa | $10.4M | |
| 1915-08-30 | Office established (FDIC record) — 79 years before this passbook begins | ||
Nearest other open offices in Fremont County
- <0.1 miArbor Bank · 716 Illinois St, Sidney
- 9.0 miFirst Heritage Bank · 612 Hartford Ave, Farragut
- 9.6 miTri-Valley Bank · 104 S Main St, Randolph
- 10.0 miFirst Interstate Bank · 1020 Main St, Hamburg
- 10.1 miArbor Bank · 923 Main St, Hamburg
- 10.5 miGlenwood State Bank · 711 Main St, Tabor
All banks in Fremont County →
Every First Interstate Bank office →
Earlier names and banks folded into First Interstate Bank →
Names on the sign
1994–2000United National Bank of Iowa2001–2002Citizens Bank2003–2021Great Western Bank2022–nowFirst Interstate Bank
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) 9028.