FDIC-insured bank
Union State Bank — Winterset, IA
Bank headquartered in Winterset, Iowa, part of MADISON HOLDING CO.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 611 W Highway 92 Winterset, IA 50273 |
| County | Madison |
| Metro area | Des Moines-West Des Moines, IA |
| Website | www.usbiowa.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 14982 |
| Federal Reserve RSSD ID | 148340 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | MADISON HOLDING CO |
| Domestic offices | 3 |
| Financials as of | June 30, 2026 |
How to find your Union State Bank routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.usbiowa.com.
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Offices nearest to headquarters
| Union State Bank main office Winterset, IA |
611 W Highway 92, 50273 |
| Truro Branch Truro, IA |
160 E Garfield St, 50257 |
| West Des Moines Branch West Des Moines, IA |
6305 Mills Civic Pkwy, 50266 |
Where Union State Bank has offices
Cities with the most Union State Bank offices
Other banks headquartered in Winterset
| Farmers and Merchants State Bank | $271.74 million |
Largest banks headquartered elsewhere in Iowa
| Principal Bank Des Moines | $9.84 billion |
| Bankers Trust Company Des Moines | $7.83 billion |
| Hills Bank and Trust Company Hills | $4.79 billion |
| West Bank West Des Moines | $4.03 billion |
| Northwest Bank Spencer | $3 billion |
| Cedar Rapids Bank and Trust Company Cedar Rapids | $2.90 billion |
| Quad City Bank and Trust Company Bettendorf | $2.77 billion |
| Fidelity Bank & Trust Dubuque | $2.60 billion |
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