Bank Branches › North Dakota › Williams County
Banks in Williams County, North Dakota
Williams County has 11 bank offices, matching its peak (first reached in 1995). They belong to 6 banks, led by First State Bank & Trust with 3.
11
offices, 2026
11
peak (1995)
3
no longer reported
$2.1B
deposits booked
Map
open (11)no longer reported (2 of 3 have map coordinates)
The county's passbook
Bank offices reporting on June 30Deposits booked at them (nominal dollars, own scale)
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 10 | $336M | |
| Jun 30 1995PEAK | 11 | +1 | $342M |
| Jun 30 2000 | 11 | · | $344M |
| Jun 30 2005 | 11 | · | $436M |
| Jun 30 2010 | 10 | · | $734M |
| Jun 30 2015 | 11 | · | $1.6B |
| Jun 30 2020 | 11 | · | $1.7B |
| Jun 30 2025 | 11 | · | $2.1B |
| Jun 30 2026NOW | 11 | · | $2.1B |
Open the full passbook — all 33 years ▾
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 10 | $336M | |
| Jun 30 1995PEAK | 11 | +1 | $342M |
| Jun 30 1996 | 11 | · | $340M |
| Jun 30 1997 | 11 | · | $347M |
| Jun 30 1998 | 11 | · | $342M |
| Jun 30 1999 | 11 | · | $334M |
| Jun 30 2000 | 11 | · | $344M |
| Jun 30 2001 | 11 | · | $363M |
| Jun 30 2002 | 11 | · | $376M |
| Jun 30 2003 | 11 | · | $398M |
| Jun 30 2004 | 11 | · | $415M |
| Jun 30 2005 | 11 | · | $436M |
| Jun 30 2006 | 11 | · | $448M |
| Jun 30 2007 | 10 | −1 | $507M |
| Jun 30 2008 | 10 | · | $612M |
| Jun 30 2009 | 10 | · | $659M |
| Jun 30 2010 | 10 | · | $734M |
| Jun 30 2011 | 10 | · | $914M |
| Jun 30 2012 | 10 | · | $1.1B |
| Jun 30 2013 | 11 | +1 | $1.2B |
| Jun 30 2014 | 11 | · | $1.4B |
| Jun 30 2015 | 11 | · | $1.6B |
| Jun 30 2016 | 11 | · | $1.5B |
| Jun 30 2017 | 11 | · | $1.5B |
| Jun 30 2018 | 11 | · | $1.5B |
| Jun 30 2019 | 11 | · | $1.6B |
| Jun 30 2020 | 11 | · | $1.7B |
| Jun 30 2021 | 11 | · | $1.7B |
| Jun 30 2022 | 11 | · | $1.8B |
| Jun 30 2023 | 10 | −1 | $1.8B |
| Jun 30 2024 | 11 | +1 | $2.0B |
| Jun 30 2025 | 11 | · | $2.1B |
| Jun 30 2026NOW | 11 | · | $2.1B |
Banks in Williams County
| Bank | Offices | Deposits here |
|---|---|---|
| First State Bank & Trust | 3 | $359M |
| First International Bank & Trust | 2 | $465M |
| American State Bank & Trust Company of Williston | 2 | $569M |
| Gate City Bank | 2 | $271M |
| The Bank of Tioga | 1 | $334M |
| U.S. Bank National Association | 1 | $105M |
Every bank office open in Williams County
| Bank | Address | Deposits |
|---|---|---|
| American State Bank & Trust Company of WillistonAmerican State Bank & Trust Company Of Williston | 223 Main StWilliston 58801 | $569M |
| First International Bank & Trust | 1331 9th Ave WWilliston 58801 | $401M |
| The Bank of TiogaThe Bank Of Tioga | 7 N Main StTioga 58852 | $334M |
| First State Bank & Trust | 22 4th St EWilliston 58801 | $282M |
| Gate City Bank422 Main Branch | 422 Main StWilliston 58801 | $260M |
| U.S. Bank National AssociationWilliston Branch | 202 Main StWilliston 58801 | $105M |
| First State Bank & TrustRay Branch | 24 Rr AvenueRay 58849 | $76.5M |
| First International Bank & TrustWilliston Branch | 19 4th St EWilliston 58801 | $63.8M |
| Gate City BankWilliston-Cash Wise Branch | 300 11th St WWilliston 58801 | $10.8M |
| First State Bank & TrustNorth Branch | 105 26th St WWilliston 58801 · Drive-through / facility office | $0 |
| American State Bank & Trust Company of WillistonNorth Branch | 2523 2nd Ave WWilliston 58801 · Drive-through / facility office | $0 |
Sorted by deposits booked on June 30, 2026. "Opened" is the establishment date in the FDIC record.
Offices no longer reported
Offices in Williams 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 |
|---|---|---|
| First International Bank & Trust | 300 West 11th StreetWilliston 58801 | 2022 |
| American State Bank & Trust Company of Williston | 319-321 First Avenue WestWilliston 58801 · Drive-through / facility office | 2006 |
| First Bank, Federal Savings Bank | 202 Main StreetWilliston 58802 | 1996 |
County FIPS 38105 · 2,078 square miles of land (2024 Census Gazetteer).