1st Source Bank
Headquarters: South Bend, Indiana
Overview
1st Source Bank is an FDIC-insured bank headquartered in South Bend, Indiana. It reported $9.26B in assets and $7.43B in deposits for the period ending June 30, 2026. Bankular currently lists 80 branch locations.
What Bankular checked
These dates identify the official records and review steps supporting this profile.
Quarterly change
What changed since the previous report
March 31, 2026 to June 30, 2026
These comparisons use consecutive official regulatory reporting periods. A change is descriptive and is not a recommendation or safety rating.
Financial indicators
Capital, profitability and credit quality
These are the latest reported capital, profitability and credit-quality measures available for this institution. Read the figures together rather than as a single safety rating.
Branch footprint
Where 1st Source Bank has branches
Explore the cities with the most currently listed locations. Branch hours can change, so confirm current lobby, drive-through and appointment hours with the institution before visiting.
Locations
Find a branch of 1st Source Bank
Airport
4105 Lincoln Way W, South Bend, Indiana, 46628
Full-service branch · Opened September 10, 1973
Argos Branch
518 N Michigan St, Argos, Indiana, 46501
Full-service branch · Opened September 30, 1974
Auburn Banking Center
104 S Jackson St, Auburn, Indiana, 46706
Full-service branch · Opened February 10, 2020
Bank Mart
6909 Grape Rd, Mishawaka, Indiana, 46545
Full-service branch · Opened November 15, 1989
Bluffton Branch
124 S Main St, Bluffton, Indiana, 46714
Full-service branch · Opened January 1, 1890
Bremen Branch
1409 W Plymouth St, Bremen, Indiana, 46506
Full-service branch · Opened August 16, 1974
Financial overview
Latest reported figures
Through June 30, 2026
Financial trends
How the balance sheet has changed
Compare recent quarters to see the direction of assets, deposits and loans.
| Quarter | Assets | Deposits | Net loans | ROA |
|---|---|---|---|---|
| June 30, 2026 | $9.26B | $7.43B | $7.06B | 1.99% |
| March 31, 2026 | $9.11B | $7.23B | $6.92B | 1.83% |
| December 31, 2025 | $9.05B | $7.23B | $6.89B | 1.84% |
| September 30, 2025 | $9.05B | $7.41B | $6.81B | 1.82% |
| June 30, 2025 | $9.08B | $7.44B | $6.94B | 1.75% |
| March 31, 2025 | $8.96B | $7.42B | $6.71B | 1.77% |
| December 31, 2024 | $8.93B | $7.23B | $6.70B | 1.58% |
| September 30, 2024 | $8.76B | $7.13B | $6.47B | 1.62% |
Size and reach
How this institution compares
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More on 1st Source Bank
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Branch locations
80 listed locations.
Explore →Compare this institution
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Explore →State banking market
Explore institutions and deposit-market context in Indiana.
Explore →South Bend banking market
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Explore →Rankings and research
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Explore →Sources and methodology
Review the official sources and reporting periods.
Explore →Frequently asked questions
Is 1st Source Bank federally insured?
Yes. Bankular identifies this institution in FDIC records under certificate 9087.
Where is 1st Source Bank headquartered?
1st Source Bank is headquartered in South Bend, Indiana, at 100 N Michigan St Ste B, South Bend, Indiana, 46601.
How large is 1st Source Bank?
It reported $9.26B in assets and $7.43B in deposits for the period ending June 30, 2026.
How many locations does 1st Source Bank have?
Bankular currently lists 80 branch locations for this institution.
Data sources and methodology
Bankular combines official regulatory records with institution-published product information. The detailed sources are available below for readers who want to verify a figure.