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Somerville Bank Locations & Branches Eaton, Ohio
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Somerville Bank operates 8 branches from its headquarters in Eaton, OH, .
Somerville Bank branch network
All 8 branches are in OHIO, across 7 cities. Eaton, OH has the most of its branches, 2. Its largest office by deposits is its main office in Eaton, OH, with $74.8M (28.7% of its branch deposits). It had the same number of branches on June 30, 2025.
Somerville Bank at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 9.54% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $290.6M
- Tier 1 leverage ratio, Q2 2026
- 9.54%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1910
Full financial profile · Is Somerville Bank safe? · 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: Eaton, OH (2 branches) | 1 of 6 | 28.4% | $127.5M |
| State: OH (8 branches) | 86 of 184 | <0.1% | $260.7M |
Ranked by total assets among banks headquartered in the state: Largest banks in Ohio.
Share by county and metro area
Somerville 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 |
|---|---|---|---|---|
| Preble, OH (3 branches) | 1 of 9 | 21.3% | $157.5M | $739.0M |
| Butler, OH (4 branches) | 11 of 21 | 1.1% | $93.0M | $8.33B |
| Montgomery, OH (1 branch) | 19 of 20 | <0.1% | $10.1M | $11.19B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Cincinnati, OH-KY-IN (4 branches) | 37 of 55 | <0.1% | $93.0M | $187.51B |
| Dayton-Kettering, OH (1 branch) | 25 of 26 | <0.1% | $10.1M | $16.26B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Somerville Bank (main office) | Eaton, OH | 45320 | $74.8M |
| Eaton Branch | Eaton, OH | 45320 | $52.7M |
| Hamilton Branch | Hamilton, OH | 45013 | $31.9M |
| Camden Branch | Camden, OH | 45311 | $30.0M |
| Oxford Branch | Oxford, OH | 45056 | $29.6M |
| Somerville Branch | Somerville, OH | 45064 | $25.4M |
| New Lebanon Branch | New Lebanon, OH | 45345 | $10.1M |
| West Chester Branch | West Chester, OH | 45069 | $6.1M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 6700) · FFIEC NIC profile (RSSD 411624)