Bank Branches › South Dakota › Union County › 331 Dakota Dunes Blvd
Full-service office · FDIC office no. 1100
1st Financial Bank USA
331 Dakota Dunes Blvd, Dakota Dunes, SD 57049
Open · June 2026
$11.4M
deposits, 2026
1910
established
11th
of 11 in county
2
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | 1st Financial Bank USA | $11.4M | +26% |
| Jun 30 2025 | 1st Financial Bank USA | $9.1M | −51% |
| Jun 30 2024 | 1st Financial Bank USA | $18.7M | −17% |
| Jun 30 2023 | 1st Financial Bank USA | $22.6M | −12% |
| Jun 30 2022 | 1st Financial Bank USA | $25.7M | +29% |
| Jun 30 2021 | 1st Financial Bank USA | $19.9M | +17% |
| Jun 30 2020 | 1st Financial Bank USA | $17.0M | +4% |
| Jun 30 2019 | 1st Financial Bank USA | $16.4M | −20% |
| Jun 30 2018 | 1st Financial Bank USA | $20.5M | +13% |
| Jun 30 2017 | 1st Financial Bank USA | $18.0M | 0% |
| Jun 30 2016 | 1st Financial Bank USA | $18.1M | −5% |
| Jun 30 2015 | 1st Financial Bank USA | $19.0M | −10% |
| Jun 30 2014 | 1st Financial Bank USA | $21.0M | −14% |
| Jun 30 2013 | 1st Financial Bank USA | $24.3M | +33% |
| Jun 30 2012 | 1st Financial Bank USA | $18.3M | +1% |
| Jun 30 2011 | 1st Financial Bank USA | $18.2M | +77% |
| Jun 30 2010 | 1st Financial Bank USA | $10.3M | −13% |
| Jun 30 2009 | 1st Financial Bank USA | $11.8M | +11% |
| Jun 30 2008 | 1st Financial Bank USA | $10.6M | +142% |
| Jun 30 2007 | 1st Financial Bank USA | $4.4M | −41% |
| Jun 30 2006 | 1st Financial Bank USA | $7.5M | −31% |
| Jun 30 2005 | 1st Financial Bank USA | $10.8M | −19% |
| Jun 30 2004 | 1st Financial Bank USA | $13.3M | +37% |
| Jun 30 2003 | 1st Financial Bank USA | $9.7M | +10% |
| Jun 30 2002 | 1st Financial Bank USA | $8.8M | +68% |
| Jun 30 2001 | 1st Financial Bank USA | $5.3M | −30% |
| Jun 30 2000 | 1st Financial Bank USA | $7.5M | −14% |
| Jun 30 1999 | 1st Financial Bank USANEW NAME | $8.8M | +19% |
| Jun 30 1998 | 1st Financial Bank South Dakota | $7.4M | −85% |
| Jun 30 1997 | 1st Financial Bank South Dakota | $50.0M | +54% |
| Jun 30 1996 | 1st Financial Bank South Dakota | $32.4M | +1% |
| Jun 30 1995 | 1st Financial Bank South Dakota | $32.0M | +10% |
| Jun 30 1994 | 1st Financial Bank South Dakota | $29.1M | |
| 1910-01-01 | Office established (FDIC record) — 84 years before this passbook begins | ||
Nearest other open offices in Union County
- <0.1 miSecurity National Bank of South Dakota · 325 Dakota Dunes Blvd, Dakota Dunes
- 0.1 miCentral Bank · 400 Gold Cir, Ste 100, Dakota Dunes
- 0.1 miLiberty National Bank · 324 Dakota Dunes Blvd, Dakota Dunes
- 0.1 miPioneer Bank · 211 Sioux Point Rd, Ste 100, Dakota Dunes
- 1.7 miPeoples Bank · 100 S Sodrac Dr, North Sioux City
- 1.7 miLiberty National Bank · 113 Military Rd, North Sioux City
- 15.9 miLiberty National Bank · 112 E Main St, Elk Point
- 16.0 miFirst Dakota National Bank · 117 W Main St, Elk Point
All banks in Union County →
Every 1st Financial Bank USA office →
Earlier names and banks folded into 1st Financial Bank USA →
Names on the sign
1994–19981st Financial Bank South Dakota1999–now1st Financial Bank USA
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) 1100.