Bank Branches › Wisconsin › Dane County › 1 W Main St
Full-service office · FDIC office no. 8243
BMO Bank National Association
1 W Main St, Madison, WI 53703
Open · June 2026
$1.8B
deposits, 2026
1923
established
2nd
of 126 in county
5
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | BMO Bank National Association | $1.8B | +5% |
| Jun 30 2025 | BMO Bank National Association | $1.7B | −15% |
| Jun 30 2024 | BMO Bank National AssociationNEW NAME | $2.0B | +3% |
| Jun 30 2023 | BMO Harris Bank National Association | $2.0B | +6% |
| Jun 30 2022 | BMO Harris Bank National Association | $1.9B | −5% |
| Jun 30 2021 | BMO Harris Bank National Association | $2.0B | −5% |
| Jun 30 2020 | BMO Harris Bank National Association | $2.1B | +29% |
| Jun 30 2019 | BMO Harris Bank National Association | $1.6B | +15% |
| Jun 30 2018 | BMO Harris Bank National Association | $1.4B | +6% |
| Jun 30 2017 | BMO Harris Bank National Association | $1.3B | +16% |
| Jun 30 2016 | BMO Harris Bank National Association | $1.1B | −1% |
| Jun 30 2015 | BMO Harris Bank National Association | $1.1B | +2% |
| Jun 30 2014 | BMO Harris Bank National Association | $1.1B | +2% |
| Jun 30 2013 | BMO Harris Bank National Association | $1.1B | −2% |
| Jun 30 2012 | BMO Harris Bank National AssociationNEW NAME | $1.1B | +11% |
| Jun 30 2011 | M&I Marshall and Ilsley Bank | $1.0B | +24% |
| Jun 30 2010 | M&I Marshall and Ilsley Bank | $818M | +3% |
| Jun 30 2009 | M&I Marshall and Ilsley Bank | $794M | +23% |
| Jun 30 2008 | M&I Marshall and Ilsley Bank | $646M | +11% |
| Jun 30 2007 | M&I Marshall and Ilsley Bank | $584M | +157% |
| Jun 30 2006 | M&I Marshall and Ilsley Bank | $227M | −3% |
| Jun 30 2005 | M&I Marshall and Ilsley Bank | $234M | +13% |
| Jun 30 2004 | M&I Marshall and Ilsley Bank | $207M | −5% |
| Jun 30 2003 | M&I Marshall and Ilsley Bank | $217M | +4% |
| Jun 30 2002 | M&I Marshall and Ilsley Bank | $209M | −30% |
| Jun 30 2001 | M&I Marshall and Ilsley BankNEW NAME | $296M | −42% |
| Jun 30 2000 | M&I Bank of Southern Wisconsin | $513M | +16% |
| Jun 30 1999 | M&I Bank of Southern Wisconsin | $443M | +27% |
| Jun 30 1998 | M&I Bank of Southern Wisconsin | $349M | +13% |
| Jun 30 1997 | M&I Bank of Southern WisconsinNEW NAME | $308M | +22% |
| Jun 30 1996 | M&I Madison Bank | $252M | −2% |
| Jun 30 1995 | M&I Madison Bank | $259M | +64% |
| Jun 30 1994 | M&I Madison Bank | $157M | |
| 1923-01-22 | Office established (FDIC record) — 71 years before this passbook begins | ||
Nearest other open offices in Dane County
- <0.1 miOld National Bank · 23 W Main St, Madison
- <0.1 miJohnson Bank · 159 Martin Luther King Jr Blvd, Madison
- <0.1 miThe Park Bank · 33 E Main St, Madison
- 0.1 miUnion Federal Savings and Loan Association · 115 W Washington Ave, Madison
- 0.1 miU.S. Bank National Association · 1 S Pinckney St, Madison
- 0.2 miJPMorgan Chase Bank, National Association · 22 E Mifflin St, Madison
- 0.8 miU.S. Bank National Association · 389 East Campus Mall, Madison
- 1.6 miAssociated Bank, National Association · 1603 Monroe St, Madison
All banks in Dane County →
Every BMO Bank National Association office →
Earlier names and banks folded into BMO Bank National Association →
Names on the sign
1994–1996M&I Madison Bank1997–2000M&I Bank of Southern Wisconsin2001–2011M&I Marshall and Ilsley Bank2012–2023BMO Harris Bank National Association2024–nowBMO Bank National Association
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) 8243.