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Mercantile Bank Locations & Branches Grand Rapids, Michigan
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Mercantile Bank operates 40 branches from its headquarters in Grand Rapids, MI, . Its main office is at 310 Leonard St Nw, Grand Rapids, MI 49504.
Mercantile Bank branch network
All 40 branches are in MICHIGAN, across 33 cities. Grand Rapids, MI has the most of its branches, 3. Its largest office by deposits is its main office in Grand Rapids, MI, with $1.37B (27.8% of its branch deposits). On June 30, 2025 it had 41 branches, 1 more than in 2026.
Mercantile Bank at a glance
Its CET1 capital ratio was 12.42% at Q3 2026, above regulatory requirements.
- Total assets, Q3 2026
- $6.53B
- CET1 ratio, Q3 2026
- 12.42%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q3 2026, FFIEC 041
- Established
- 1997
Full financial profile · Is Mercantile Bank safe? · Mercantile Bank call report · Routing number
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: Grand Rapids, MI (3 branches) | 4 of 24 | 8.5% | $1.68B |
| State: MI (40 branches) | 10 of 95 | 1.6% | $4.93B |
Ranked by total assets among banks headquartered in the state: Largest banks in Michigan.
Share by county and metro area
Mercantile 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 |
|---|---|---|---|---|
| Kent, MI (6 branches) | 5 of 24 | 8.3% | $2.09B | $25.22B |
| Kalamazoo, MI (3 branches) | 4 of 13 | 11.1% | $488.0M | $4.40B |
| Isabella, MI (3 branches) | 2 of 5 | 24.7% | $345.1M | $1.40B |
| Ingham, MI (1 branch) | 9 of 17 | 2.8% | $272.0M | $9.60B |
| Ionia, MI (3 branches) | 2 of 5 | 31.5% | $244.6M | $775.7M |
| Gratiot, MI (3 branches) | 2 of 4 | 31.9% | $233.5M | $730.9M |
| Ogemaw, MI (3 branches) | 1 of 4 | 54.8% | $220.3M | $401.8M |
| Oakland, MI (1 branch) | 17 of 29 | 0.3% | $193.8M | $74.48B |
| Wexford, MI (2 branches) | 3 of 5 | 22.4% | $140.7M | $627.6M |
| Montcalm, MI (3 branches) | 3 of 7 | 13.3% | $127.5M | $956.8M |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Grand Rapids-Kentwood, MI (13 branches) | 6 of 27 | 7.5% | $2.49B | $33.06B |
| Kalamazoo-Portage, MI (3 branches) | 4 of 13 | 11.1% | $488.0M | $4.40B |
| Lansing-East Lansing, MI (2 branches) | 10 of 19 | 3.0% | $374.9M | $12.65B |
| Mount Pleasant, MI (3 branches) | 2 of 5 | 24.7% | $345.1M | $1.40B |
| Alma, MI (3 branches) | 2 of 4 | 31.9% | $233.5M | $730.9M |
| Detroit-Warren-Dearborn, MI (1 branch) | 24 of 37 | 0.1% | $193.8M | $178.28B |
| Cadillac, MI (2 branches) | 4 of 6 | 18.0% | $140.7M | $780.0M |
| Saginaw, MI (2 branches) | 8 of 10 | 3.6% | $91.9M | $2.59B |
| Big Rapids, MI (1 branch) | 5 of 8 | 7.3% | $53.3M | $731.7M |
| Traverse City, MI (1 branch) | 12 of 13 | 0.4% | $17.7M | $4.78B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Mercantile Bank (main office) | Grand Rapids, MI | 49504 | $1.37B |
| Kalamazoo Branch | Kalamazoo, MI | 49007 | $369.8M |
| Lansing Branch | East Lansing, MI | 48823 | $272.0M |
| West M20 Branch | Mount Pleasant, MI | 48858 | $239.2M |
| Wyoming Branch | Wyoming, MI | 49519 | $206.5M |
| Troy Branch | Troy, MI | 48084 | $193.8M |
| Forest Hills | Grand Rapids, MI | 49546 | $182.0M |
| Northtown Branch | Alma, MI | 48801 | $176.1M |
| M-76 Branch | West Branch, MI | 48661 | $169.7M |
| Southside Branch | Berlin Township, MI | 48846 | $159.9M |
| Alpine Avenue Branch | Comstock Park, MI | 49321 | $150.2M |
| Knapp Street Branch | Grand Rapids, MI | 49525 | $123.3M |
| St. Johns South Branch | Saint Johns, MI | 48879 | $103.0M |
| Clare Branch | Clare, MI | 48617 | $97.3M |
| Cadillac Branch | Cadillac, MI | 49601 | $93.8M |
| Paw Paw Branch | Paw Paw, MI | 49079 | $89.4M |
| Belding Branch | Otisco Township, MI | 48809 | $84.7M |
| Pickard Branch | Mount Pleasant, MI | 48858 | $65.0M |
| Portage Branch | Portage, MI | 49024 | $61.3M |
| Lowell Branch | Lowell, MI | 49331 | $59.1M |
| Ithaca Branch | Ithaca, MI | 48847 | $57.4M |
| Drake Road Branch | Kalamazoo, MI | 49009 | $56.8M |
| Remus Branch | Remus, MI | 49340 | $53.3M |
| Merrill Branch | Merrill, MI | 48637 | $52.0M |
| Rose City Branch | Rose City, MI | 48654 | $50.6M |
| Fairview Branch | Fairview, MI | 48621 | $48.4M |
| Howard City Branch | Howard City, MI | 49329 | $47.2M |
| Cadillac North Branch | Cadillac, MI | 49601 | $46.8M |
| Vestaburg Branch | Vestaburg, MI | 48891 | $44.9M |
| Shepherd Branch | Shepherd, MI | 48883 | $40.9M |
| Saint Charles Branch | St. Charles, MI | 48655 | $39.9M |
| M-46 Drive-In Branch | Lakeview, MI | 48850 | $35.4M |
| St. Helen Branch | Saint Helen, MI | 48656 | $30.2M |
| Holland Branch | Holland, MI | 49423 | $28.7M |
| Traverse City Branch | Traverse City, MI | 49684 | $17.7M |
| Petoskey Branch | Petosky, MI | 49770 | $11.0M |
| Midland Branch | Midland, MI | 48640 | $169K |
| Alma Drive-Thru Branch | Alma, MI | 48801 | $0 |
| Administrative Building Branch | West Branch, MI | 48661 | $0 |
| Dexter Drive-In Branch | Ionia, MI | 48846 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 34598) · FFIEC NIC profile (RSSD 2608754)