Branch Network
1st Source Bank Locations & Branches South Bend, Indiana
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1st Source Bank operates 80 branches from its headquarters in South Bend, IN, .
1st Source Bank branch network
Its 80 branches span 3 states and 43 cities. The most are in INDIANA (71), MICHIGAN (8) and FLORIDA (1). INDIANA holds 95.3% of its branch deposits. South Bend, IN has the most of its branches, 11. Its largest office by deposits is its main office in South Bend, IN, with $1.90B (25.6% of its branch deposits). It had the same number of branches on June 30, 2025.
1st Source Bank at a glance
Its CET1 capital ratio was 14.84% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $9.26B
- CET1 ratio, Q2 2026
- 14.84%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Established
- 1922
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Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: South Bend, IN (11 branches) | 1 of 13 | 68.5% | $2.41B |
| State: IN (71 branches) | 8 of 129 | 3.2% | $7.08B |
Ranked by total assets among banks headquartered in the state: Largest banks in Indiana.
Share by county and metro area
1st Source Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| St. Joseph, IN (23 branches) | 1 of 15 | 54.5% | $3.15B | $5.79B |
| Elkhart, IN (8 branches) | 3 of 16 | 21.5% | $1.04B | $4.83B |
| Porter, IN (9 branches) | 3 of 11 | 18.3% | $885.4M | $4.85B |
| Allen, IN (8 branches) | 9 of 24 | 4.9% | $478.5M | $9.81B |
| Marshall, IN (5 branches) | 1 of 9 | 42.1% | $454.6M | $1.08B |
| Laporte, IN (5 branches) | 2 of 8 | 15.4% | $410.6M | $2.67B |
| Berrien, MI (5 branches) | 6 of 8 | 9.6% | $214.6M | $2.24B |
| Starke, IN (1 branch) | 1 of 5 | 35.9% | $157.7M | $438.9M |
| Kosciusko, IN (2 branches) | 4 of 10 | 5.3% | $117.2M | $2.23B |
| Tippecanoe, IN (3 branches) | 9 of 17 | 3.0% | $116.3M | $3.94B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| South Bend-Mishawaka, IN-MI (24 branches) | 1 of 17 | 51.4% | $3.18B | $6.18B |
| Elkhart-Goshen, IN (8 branches) | 3 of 16 | 21.5% | $1.04B | $4.83B |
| Chicago-Naperville-Elgin, IL-IN-WI (9 branches) | 51 of 150 | 0.1% | $885.4M | $632.03B |
| Fort Wayne, IN (9 branches) | 9 of 25 | 4.7% | $500.0M | $10.53B |
| Plymouth, IN (5 branches) | 1 of 9 | 42.1% | $454.6M | $1.08B |
| Michigan City-La Porte, IN (5 branches) | 2 of 8 | 15.4% | $410.6M | $2.67B |
| Niles, MI (5 branches) | 6 of 8 | 9.6% | $214.6M | $2.24B |
| Warsaw, IN (2 branches) | 4 of 10 | 5.3% | $117.2M | $2.23B |
| Lafayette-West Lafayette, IN (3 branches) | 11 of 20 | 2.5% | $116.3M | $4.72B |
| Kalamazoo-Portage, MI (2 branches) | 13 of 13 | 1.5% | $64.0M | $4.40B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| 1st Source Bank (main office) | South Bend, IN | 46601 | $1.90B |
| Elkhart-Franklin Street Branch | Elkhart, IN | 46516 | $630.2M |
| Plymouth Main Branch | Plymouth, IN | 46563 | $262.8M |
| Ft Wayne Downtown Branch | Fort Wayne, IN | 46802 | $202.6M |
| Goshen Branch | Goshen, IN | 46526 | $186.4M |
| Valparaiso Downtown Branch | Valparaiso, IN | 46383 | $174.3M |
| Knox Branch | Knox, IN | 46534 | $157.7M |
| Valparaiso North Branch | Valparaiso, IN | 46383 | $149.7M |
| Bank Mart Branch | Mishawaka, IN | 46545 | $144.9M |
| New Carlisle Branch | New Carlisle, IN | 46552 | $141.9M |
| La Porte Boyd Branch | La Porte, IN | 46350 | $138.2M |
| Ireland Road Branch | South Bend, IN | 46614 | $120.7M |
| Portage Central Branch | Portage, IN | 46368 | $118.0M |
| Chesterton Branch | Chesterton, IN | 46304 | $116.0M |
| Bremen Branch | Bremen, IN | 46506 | $107.2M |
| Warsaw Banking Center Branch | Warsaw, IN | 46580 | $93.1M |
| Osceola Branch | Mishawaka, IN | 46544 | $92.9M |
| Hebron Branch | Hebron, IN | 46341 | $92.0M |
| Portage Avenue Branch | South Bend, IN | 46628 | $91.6M |
| Laporte West Branch | La Porte, IN | 46350 | $88.6M |
| Rochester Branch | Rochester, IN | 46975 | $81.4M |
| Maple Lane Branch | South Bend, IN | 46635 | $79.2M |
| Lafayette Downtown Branch | Lafayette, IN | 47901 | $78.7M |
| Michigan City Marquette Branch | Michigan City, IN | 46360 | $77.9M |
| Kouts Branch | Kouts, IN | 46347 | $77.9M |
| Western Avenue Branch | South Bend, IN | 46619 | $74.1M |
| Mishawaka Main Office | Mishawaka, IN | 46544 | $73.1M |
| Mckinley Avenue Branch | Mishawaka, IN | 46545 | $70.8M |
| Westville Branch | Westville, IN | 46391 | $68.0M |
| Niles Banking Center Branch | Niles, MI | 49120 | $65.4M |
| Granger Banking Center Branch | Granger, IN | 46530 | $64.5M |
| Valpariaso West Branch | Valparaiso, IN | 46385 | $63.4M |
| Roseland Branch | South Bend, IN | 46637 | $61.0M |
| Valparaiso Circle Branch | Valparaiso, IN | 46383 | $60.3M |
| Bluffton Branch | Bluffton, IN | 46714 | $56.8M |
| Walkerton Branch | Walkerton, IN | 46574 | $56.6M |
| St Joseph Hilltop Branch | St. Joseph, MI | 49085 | $55.4M |
| Elkhart-Bristol Street Branch | Elkhart, IN | 46514 | $54.9M |
| Elkhart-West Branch | Elkhart, IN | 46514 | $52.9M |
| Waynedale Branch | Fort Wayne, IN | 46809 | $49.3M |
| Pine Valley Branch | Fort Wayne, IN | 46845 | $48.4M |
| Centre Ave. Branch | Portage, MI | 49024 | $47.6M |
| Illinois Road Branch | Fort Wayne, IN | 46804 | $45.9M |
| Lapaz Branch | Lapaz, IN | 46537 | $44.2M |
| East State Branch | Fort Wayne, IN | 46815 | $44.0M |
| Sarasota Banking Center Branch | Sarasota, FL | 34236 | $43.9M |
| Argos Branch | Argos, IN | 46501 | $40.3M |
| Winamac Banking Center Branch | Winamac, IN | 46996 | $39.2M |
| St Joseph Lakeshore Branch | Saint Joseph, MI | 49085 | $38.8M |
| La Crosse Branch | La Crosse, IN | 46348 | $37.8M |
| North Liberty Branch | North Liberty, IN | 46554 | $37.7M |
| Lafayette Cascada Branch | Lafayette, IN | 47905 | $37.6M |
| New Haven Branch | New Haven, IN | 46774 | $35.6M |
| Ewing Avenue Branch | South Bend, IN | 46614 | $35.4M |
| Huntington Branch | Huntington, IN | 46750 | $34.6M |
| Willowcreek Branch | Portage, IN | 46368 | $34.0M |
| Dunlap Branch | Elkhart, IN | 46517 | $33.3M |
| Nappanee Branch | Nappanee, IN | 46550 | $32.5M |
| Carmel Banking Center Branch | Carmel, IN | 46032 | $30.8M |
| Niles-Martins Branch | Niles, MI | 49120 | $30.4M |
| North Anthony Branch | Fort Wayne, IN | 46805 | $28.4M |
| Dowagiac Branch | Dowagiac, MI | 49047 | $26.2M |
| Granger Martins Branch | Granger, IN | 46530 | $25.2M |
| St Joseph Downtown Branch | St. Joseph, MI | 49085 | $24.6M |
| Dupont Oaks Branch | Fort Wayne, IN | 46825 | $24.4M |
| Warsaw East Branch | Warsaw, IN | 46580 | $24.1M |
| Middlebury Banking Center | Middlebury, IN | 46540 | $24.0M |
| Airport Branch | South Bend, IN | 46628 | $23.5M |
| Elkhart North Martins | Elkhart, IN | 46514 | $23.1M |
| Columbia City | Columbia City, IN | 46725 | $21.4M |
| Kalamazoo Downtown Branch | Kalamazoo, MI | 49007 | $16.5M |
| Gumwood-Martins Branch | Granger, IN | 46530 | $16.3M |
| Erskine Martins Branch | South Bend, IN | 46614 | $15.5M |
| St. Mary's College Branch | Notre Dame, IN | 46556 | $12.8M |
| Notre Dame Branch | Notre Dame, IN | 46556 | $10.7M |
| Auburn Banking Center | Auburn, IN | 46706 | $9.5M |
| Direct Banking-1Stsource.Com Branch | South Bend, IN | 46601 | $212K |
| North 4th Street Branch | Lafayette, IN | 47901 | $0 |
| Drive-In Plaza South Bend Branch | South Bend, IN | 46601 | $0 |
| Drive-In Facility | Plymouth, IN | 46563 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 9087) · FFIEC NIC profile (RSSD 991340)