Branch Network
Union State Bank Locations & Branches Arkansas City, Kansas
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Union State Bank operates 12 branches from its headquarters in Arkansas City, KS, .
Union State Bank branch network
Its 12 branches span 2 states and 6 cities. The most are in KANSAS (11) and OKLAHOMA (1). KANSAS holds 96.2% of its branch deposits. Arkansas City, KS has the most of its branches, 3. Its largest office by deposits is the Newton Main Branch office in Newton, KS, with $200.4M (31.6% of its branch deposits). It had the same number of branches on June 30, 2025.
Union State Bank at a glance
Its CET1 capital ratio was 14.00% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $719.1M
- CET1 ratio, Q2 2026
- 14.00%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1908
Full financial profile · Is Union State Bank safe? · Union 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: Arkansas City, KS (3 branches) | 1 of 4 | 52.2% | $194.9M |
| State: KS (11 branches) | 39 of 231 | 0.6% | $609.5M |
Ranked by total assets among banks headquartered in the state: Largest banks in Kansas.
Share by county and metro area
Union 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 |
|---|---|---|---|---|
| Cowley, KS (7 branches) | 2 of 7 | 34.7% | $322.4M | $929.3M |
| Harvey, KS (2 branches) | 2 of 11 | 21.7% | $200.4M | $925.1M |
| Sedgwick, KS (2 branches) | 27 of 38 | 0.4% | $86.6M | $19.80B |
| Washington, OK (1 branch) | 8 of 10 | 2.3% | $23.9M | $1.03B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Winfield, KS (7 branches) | 2 of 7 | 34.7% | $322.4M | $929.3M |
| Wichita, KS (4 branches) | 13 of 46 | 1.2% | $287.0M | $23.20B |
| Bartlesville, OK (1 branch) | 8 of 10 | 2.3% | $23.9M | $1.03B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Newton Main Branch | Newton, KS | 67114 | $200.4M |
| Union State Bank (main office) | Arkansas City, KS | 67005 | $194.9M |
| Winfield Main Branch | Winfield, KS | 67156 | $100.6M |
| Wichita West Branch | Wichita, KS | 67205 | $86.6M |
| Udall Branch | Udall, KS | 67146 | $27.0M |
| Bartlesville Branch | Bartlesville, OK | 74006 | $23.9M |
| Arkansas City North Branch | Arkansas City, KS | 67005 | $0 |
| 9th Street Drive-In Facility | Winfield, KS | 67156 | $0 |
| Winfield South Branch | Winfield, KS | 67156 | $0 |
| Washington Road Branch | Newton, KS | 67114 | $0 |
| Mid-Town Branch | Arkansas City, KS | 67005 | $0 |
| Wichita East Branch | Wichita, KS | 67206 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 1869) · FFIEC NIC profile (RSSD 227151)