Cornerstone State Bank
Headquartered in Montgomery, MN. Part of Cornerstone Bancorporation, Inc. FDIC certificate #21525 · Federal Reserve RSSD 914853.
Total assets
$243M
Deposits
$221M
Q1 2026
Active branches
7
Closings since Jan 2020
0
0 openings since Jan 2020
Financial snapshot — Q1 2026
All quarters →Net income (quarter)
$799K
Return on assets
1.32%
Return on equity
17.00%
Noncurrent loan rate
0.48%
Deposits by year (Summary of Deposits)
02019
02020
02021
02022
02023
02024
02025
Values in $ billions, June 30 of each year.
Branches by state
All figures transcribed from FDIC BankFind Suite records: structure-change history, quarterly financial reports and the annual Summary of Deposits · bank site: WWW.CORNERSTONESTATEBANK.COM.