Sioux Falls, SD
Bank Frontier Bank
Frontier Bank is a federally insured bank based in Sioux Falls, South Dakota.
- Type
- Bank
- Charter
- Savings bank, state charter
- Primary regulator
- OCC
- Established
- June 24, 1994
- Headquarters
- Sioux Falls, SD
- FDIC certificate #
- 33922
- Fed RSSD ID
- 2218443
- Holding company
- Rock Rivers Bcorp
- Website
- www.frontierbank.com
$344.8M
Total assets Data as of Q1 2026
$314.9M
Total deposits Data as of Q1 2026
5
Branch locations Data as of Q1 2026
$300K
Net income Data as of Q1 2026
0.35%
Return on assets Data as of Q1 2026
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
Frontier Bank operates 5 branch locations across 2 states. Select a state to drill down to its towns and individual branches.
Ownership
Frontier Bank is owned by Rock Rivers Bcorp. See the full ownership & merger history.
Frontier Bank financial summary
Other banks in South Dakota
Federally insured banks headquartered in South Dakota, by total assets.
- Citibank, National Association $1.93T
- Wells Fargo Bank, National Association $1.85T
- The Bancorp Bank, National Association $9.9B
- Pathward, National Association $7.11B
- First Bank & Trust $4.87B
- Dacotah Bank $4.87B
- First PREMIER Bank $3.55B
- First Dakota National Bank $3.3B
Similar-size banks
Institutions close to Frontier Bank’s $344.8M in assets.
- Kaw Valley Bank $344.5M
- Locus Bank, Inc. $345.2M
- Bank of Kilmichael $344.3M
- Citizens First Bank $344.2M
- RiverHills Bank $343.9M
- CLB The Community Bank $343.9M