Branch Network
Alliance Community Bank Locations & Branches Petersburg, Illinois
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Alliance Community Bank operates 6 branches from its headquarters in Petersburg, IL, .
Alliance Community Bank branch network
All 6 branches are in ILLINOIS, across 4 cities. Petersburg, IL has the most of its branches, 2. Its largest office by deposits is its main office in Petersburg, IL, with $191.3M (52.0% of its branch deposits). It had the same number of branches on June 30, 2025.
Alliance Community Bank at a glance
Its CET1 capital ratio was 14.29% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $414.5M
- CET1 ratio, Q2 2026
- 14.29%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1910
Full financial profile · Is Alliance Community Bank safe? · Alliance Community 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: Petersburg, IL (2 branches) | 1 of 2 | 77.2% | $217.9M |
| State: IL (6 branches) | 137 of 379 | <0.1% | $368.0M |
Ranked by total assets among banks headquartered in the state: Largest banks in Illinois.
Share by county and metro area
Alliance Community 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 |
|---|---|---|---|---|
| Menard, IL (3 branches) | 1 of 3 | 81.0% | $291.7M | $360.2M |
| Sangamon, IL (2 branches) | 19 of 24 | 0.5% | $50.4M | $9.40B |
| Mason, IL (1 branch) | 6 of 7 | 5.7% | $25.9M | $456.4M |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Springfield, IL (5 branches) | 10 of 26 | 3.5% | $342.1M | $9.76B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Alliance Community Bank (main office) | Petersburg, IL | 62675 | $191.3M |
| Athens Facility | Athens, IL | 62613 | $73.7M |
| Springfield Facility | Springfield, IL | 62707 | $40.8M |
| New Salem Facility | Petersburg, IL | 62675 | $26.7M |
| Mason City Branch | Mason City, IL | 62664 | $25.9M |
| Archer Branch | Springfield, IL | 62711 | $9.6M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 9631) · FFIEC NIC profile (RSSD 924937)