Bank BranchesEvery insured bank office · FDIC · 1994–2026

Bank Branches › Illinois › McHenry County › 677 E Grant Hwy

Full-service office · FDIC office no. 15539

First National Bank of Omaha
677 E Grant Hwy, Marengo, IL 60152

Open · June 2026

$129M
deposits, 2026
1976
established
30th
of 78 in county
3
names on the sign
This office's passbook1994–2026
DateBank on the signDepositsChange
Jun 30 2026First National Bank of Omaha$129M+13%
Jun 30 2025First National Bank of Omaha$114M+3%
Jun 30 2024First National Bank of Omaha$110M+17%
Jun 30 2023First National Bank of Omaha$94.2M+3%
Jun 30 2022First National Bank of Omaha$91.9M+2%
Jun 30 2021First National Bank of Omaha$90.1M+25%
Jun 30 2020First National Bank of Omaha$72.3M−1%
Jun 30 2019First National Bank of Omaha$73.1M+9%
Jun 30 2018First National Bank of Omaha$67.0M+4%
Jun 30 2017First National Bank of Omaha$64.1M+5%
Jun 30 2016First National Bank of Omaha$61.1M+16%
Jun 30 2015First National Bank of Omaha$52.9M−40%
Jun 30 2014First National Bank of Omaha$87.8M+1%
Jun 30 2013First National Bank of Omaha$86.6M+78%
Jun 30 2012First National Bank of Omaha$48.7M−41%
Jun 30 2011First National Bank of OmahaNEW NAME$82.9M+4%
Jun 30 2010Castle Bank, National Association$79.4M−10%
Jun 30 2009Castle Bank, National Association$88.5M−21%
Jun 30 2008Castle Bank, National AssociationNEW NAME$112M−18%
Jun 30 2007The First National Bank of Marengo$137M+21%
Jun 30 2006The First National Bank of Marengo$113M+12%
Jun 30 2005The First National Bank of Marengo$101M+11%
Jun 30 2004The First National Bank of Marengo$90.6M0%
Jun 30 2003The First National Bank of Marengo$90.9M+14%
Jun 30 2002The First National Bank of Marengo$79.8M+14%
Jun 30 2001The First National Bank of Marengo$70.2M+4%
Jun 30 2000The First National Bank of Marengo$67.4M+17%
Jun 30 1999The First National Bank of Marengo$57.4M+1%
Jun 30 1998The First National Bank of Marengo$56.7M+17%
Jun 30 1997The First National Bank of Marengo$48.5M+11%
Jun 30 1996The First National Bank of Marengo$43.7M+21%
Jun 30 1995The First National Bank of Marengo$36.1M+15%
Jun 30 1994The First National Bank of Marengo$31.3M
1976-09-07Office established (FDIC record) — 18 years before this passbook begins

Nearest other open offices in McHenry County

  1. 0.6 miBMO Bank National Association · 100 W Washington St, Marengo
  2. 1.1 miPrairie Community Bank · 800 W Grant Hwy, Marengo
  3. 4.2 miPrairie Community Bank · 18001 Jefferson Street, Union
  4. 9.0 miBMO Bank National Association · 225 W Jackson St, Woodstock
  5. 9.1 miHeartland Bank and Trust Company · 12101 Regency Square Parkway, Huntley
  6. 9.1 miHome State Bank, National Association · 124 S Johnson St, Woodstock
  7. 9.2 miBMO Bank National Association · 217 E South St, Woodstock
  8. 9.2 miPrairie Community Bank · 233 Main St, Woodstock

All banks in McHenry County →
Every First National Bank of Omaha office →
Earlier names and banks folded into First National Bank of Omaha →

Names on the sign

1994–2007The First National Bank of Marengo2008–2010Castle Bank, National Association2011–nowFirst National Bank of Omaha

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) 15539.