Bank Branches › South Dakota › Union County
Banks in Union County, South Dakota
Union County has 11 bank offices, 1 fewer than its peak of 12 in 2023 (−8%). They belong to 9 banks, led by Liberty National Bank with 3.
11
offices, 2026
12
peak (2023)
4
no longer reported
$773M
deposits booked
Map
open (11)no longer reported (4)
The county's passbook
Bank offices reporting on June 30Deposits booked at them (nominal dollars, own scale)
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 7 | $118M | |
| Jun 30 1995 | 8 | +1 | $120M |
| Jun 30 2000 | 11 | · | $149M |
| Jun 30 2005 | 10 | · | $165M |
| Jun 30 2010 | 11 | +1 | $276M |
| Jun 30 2015 | 10 | · | $471M |
| Jun 30 2020 | 11 | · | $658M |
| Jun 30 2023PEAK | 12 | +1 | $760M |
| Jun 30 2025 | 11 | −1 | $757M |
| Jun 30 2026NOW | 11 | · | $773M |
Open the full passbook — all 33 years ▾
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 7 | $118M | |
| Jun 30 1995 | 8 | +1 | $120M |
| Jun 30 1996 | 8 | · | $130M |
| Jun 30 1997 | 9 | +1 | $138M |
| Jun 30 1998 | 10 | +1 | $138M |
| Jun 30 1999 | 11 | +1 | $150M |
| Jun 30 2000 | 11 | · | $149M |
| Jun 30 2001 | 11 | · | $151M |
| Jun 30 2002 | 10 | −1 | $169M |
| Jun 30 2003 | 11 | +1 | $181M |
| Jun 30 2004 | 10 | −1 | $164M |
| Jun 30 2005 | 10 | · | $165M |
| Jun 30 2006 | 10 | · | $185M |
| Jun 30 2007 | 10 | · | $203M |
| Jun 30 2008 | 10 | · | $218M |
| Jun 30 2009 | 10 | · | $250M |
| Jun 30 2010 | 11 | +1 | $276M |
| Jun 30 2011 | 11 | · | $316M |
| Jun 30 2012 | 11 | · | $351M |
| Jun 30 2013 | 10 | −1 | $397M |
| Jun 30 2014 | 10 | · | $441M |
| Jun 30 2015 | 10 | · | $471M |
| Jun 30 2016 | 10 | · | $459M |
| Jun 30 2017 | 10 | · | $471M |
| Jun 30 2018 | 11 | +1 | $536M |
| Jun 30 2019 | 11 | · | $583M |
| Jun 30 2020 | 11 | · | $658M |
| Jun 30 2021 | 11 | · | $755M |
| Jun 30 2022 | 11 | · | $782M |
| Jun 30 2023PEAK | 12 | +1 | $760M |
| Jun 30 2024 | 12 | · | $845M |
| Jun 30 2025 | 11 | −1 | $757M |
| Jun 30 2026NOW | 11 | · | $773M |
Banks in Union County
| Bank | Offices | Deposits here |
|---|---|---|
| Liberty National Bank | 3 | $242M |
| Premier Bank | 1 | $153M |
| 1st Financial Bank USA | 1 | $11.4M |
| First Savings Bank | 1 | $107M |
| Security National Bank of South Dakota | 1 | $89.3M |
| First Dakota National Bank | 1 | $43.4M |
| Central Bank | 1 | $56.1M |
| Pioneer Bank | 1 | $51.6M |
| Peoples Bank | 1 | $18.9M |
Every bank office open in Union County
| Bank | Address | Deposits |
|---|---|---|
| Liberty National BankDakota Dunes Branch | 324 Dakota Dunes BlvdDakota Dunes 57049 | $174M |
| Premier BankAlcester Bank Branch | 190 Iowa StAlcester 57001 | $153M |
| First Savings Bank | 201 N 3rd StBeresford 57004 | $107M |
| Security National Bank of South DakotaSecurity National Bank Of South Dakota | 325 Dakota Dunes BlvdDakota Dunes 57049 | $89.3M |
| Central BankDakota Dunes Branch | 400 Gold Cir, Ste 100Dakota Dunes 57049 | $56.1M |
| Pioneer BankDunes Branch | 211 Sioux Point Rd, Ste 100Dakota Dunes 57049 | $51.6M |
| First Dakota National BankElk Point Branch | 117 W Main StElk Point 57025 | $43.4M |
| Liberty National BankElk Point Branch | 112 E Main StElk Point 57025 | $37.6M |
| Liberty National BankNorth Sioux City Branch | 113 Military RdNorth Sioux City 57049 | $30.7M |
| Peoples BankNorth Sioux City Branch | 100 S Sodrac DrNorth Sioux City 57049 | $18.9M |
| 1st Financial Bank USA1St Financial Bank Usa | 331 Dakota Dunes BlvdDakota Dunes 57049 | $11.4M |
Sorted by deposits booked on June 30, 2026. "Opened" is the establishment date in the FDIC record.
Offices no longer reported
Offices in Union 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 |
|---|---|---|
| Liberty National Bank | 215 MainJefferson 57038 | 2017 |
| Home Federal Bank | 200 Tower Road, Suite 101Dakota Dunes 57049 | 2012 |
| Security National Bank of South Dakota | 800 Stevens Port DriveDakota Dunes 57049 | 2003 |
| Norwest Bank South Dakota, National Association | 801 River DriveNorth Sioux City 57049 | 2000 |
County FIPS 46127 · 461 square miles of land (2024 Census Gazetteer).