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Jonesburg State Bank Locations & Branches Jonesburg, Missouri
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Jonesburg State Bank operates 3 branches from its headquarters in Jonesburg, MO, .
Jonesburg State Bank branch network
All 3 branches are in MISSOURI, across 3 cities. Its largest office by deposits is its main office in Jonesburg, MO, with $61.0M (48.6% of its branch deposits). It had the same number of branches on June 30, 2025.
Jonesburg State Bank at a glance
Its CET1 capital ratio was 14.98% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $145.6M
- CET1 ratio, Q2 2026
- 14.98%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1921
Full financial profile · Is Jonesburg State Bank safe? · Jonesburg State 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: Jonesburg, MO (1 branch) | 1 of 1 | 100.0% | $61.0M |
| State: MO (3 branches) | 180 of 249 | <0.1% | $125.4M |
Ranked by total assets among banks headquartered in the state: Largest banks in Missouri.
Share by county and metro area
Jonesburg State 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 |
|---|---|---|---|---|
| Montgomery, MO (2 branches) | 2 of 4 | 22.6% | $82.5M | $364.6M |
| Warren, MO (1 branch) | 7 of 8 | 5.0% | $43.0M | $856.3M |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| St. Louis, MO-IL (1 branch) | 93 of 111 | <0.1% | $43.0M | $141.72B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Jonesburg State Bank (main office) | Jonesburg, MO | 63351 | $61.0M |
| Warrenton Branch | Warrenton, MO | 63383 | $43.0M |
| Jonesburg State Bank (main office) | Montgomery City, MO | 63361 | $21.5M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 8896) · FFIEC NIC profile (RSSD 733755)