Bank Branches › Banks › Ion Bank
Ion Bank
36 offices in 2 states as of June 30, 2026. $2.3 billion in deposits. Main office: 251 Church St, Naugatuck, CT. FDIC certificate 18198.
36
offices
2
states
−0
gone since 2025
+0
new since 2025
Where its offices are
Offices over time
Bank offices reporting on June 30Deposits booked at them (nominal dollars, own scale)
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 6 | $269M | |
| Jun 30 1995 | 6 | · | $282M |
| Jun 30 2000 | 8 | +1 | $343M |
| Jun 30 2005 | 12 | +1 | $518M |
| Jun 30 2010 | 16 | +2 | $705M |
| Jun 30 2015 | 20 | · | $846M |
| Jun 30 2020 | 20 | · | $1.4B |
| Jun 30 2025PEAK | 36 | +10 | $2.3B |
| Jun 30 2026NOW | 36 | · | $2.3B |
Open the full passbook — all 33 years ▾
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 6 | $269M | |
| Jun 30 1995 | 6 | · | $282M |
| Jun 30 1996 | 6 | · | $298M |
| Jun 30 1997 | 6 | · | $317M |
| Jun 30 1998 | 6 | · | $316M |
| Jun 30 1999 | 7 | +1 | $335M |
| Jun 30 2000 | 8 | +1 | $343M |
| Jun 30 2001 | 9 | +1 | $377M |
| Jun 30 2002 | 10 | +1 | $418M |
| Jun 30 2003 | 11 | +1 | $474M |
| Jun 30 2004 | 11 | · | $496M |
| Jun 30 2005 | 12 | +1 | $518M |
| Jun 30 2006 | 12 | · | $535M |
| Jun 30 2007 | 13 | +1 | $582M |
| Jun 30 2008 | 13 | · | $567M |
| Jun 30 2009 | 14 | +1 | $645M |
| Jun 30 2010 | 16 | +2 | $705M |
| Jun 30 2011 | 17 | +1 | $716M |
| Jun 30 2012 | 19 | +2 | $780M |
| Jun 30 2013 | 20 | +1 | $789M |
| Jun 30 2014 | 20 | · | $794M |
| Jun 30 2015 | 20 | · | $846M |
| Jun 30 2016 | 20 | · | $915M |
| Jun 30 2017 | 19 | −1 | $1.0B |
| Jun 30 2018 | 19 | · | $1.1B |
| Jun 30 2019 | 20 | +1 | $1.1B |
| Jun 30 2020 | 20 | · | $1.4B |
| Jun 30 2021 | 21 | +1 | $1.5B |
| Jun 30 2022 | 21 | · | $1.6B |
| Jun 30 2023 | 24 | +3 | $1.7B |
| Jun 30 2024 | 26 | +2 | $1.8B |
| Jun 30 2025PEAK | 36 | +10 | $2.3B |
| Jun 30 2026NOW | 36 | · | $2.3B |
Counted under FDIC certificate 18198. When one bank buys another, the bought bank's offices move onto the buyer's certificate, so a jump here is usually a merger, not a building spree. Its earlier names and the banks folded into it →
Offices with the most deposits booked
| Office | Deposits |
|---|---|
| Church Street BranchNaugatuck, CT | $325M |
| Oxford BranchOxford, CT | $203M |
| Cheshire BranchCheshire, CT | $116M |
| Prospect BranchProspect, CT | $103M |
| Middlebury BranchMiddlebury, CT | $97.7M |
| New Haven Road BranchNaugatuck, CT | $96.5M |
| West Main Street BranchMeriden, CT | $95.6M |
| Southbury BranchSouthbury, CT | $90.9M |
| Hamden BranchHamden, CT | $83.2M |
| Ansonia BranchAnsonia, CT | $82.4M |
By state
| State | Offices |
|---|---|
| Connecticut | 23 |
| New Jersey | 13 |