One American Bank

Centerville, SD
IDRSSD: 95051
Total Assets
$356.55M
Latest filing
Total Deposits
$234.38M
Latest filing
Net Interest Margin
1.10%
Profitability

Routing numbers

Primary routing transit numbers associated with this institution.

091401553SIOUX FALLS, SD

Key People

Loading leadership data...

Locations

Main office and branches. Select to view on the map.

Open map →
Main Office
One American Bank
549 Broadway St
Centerville, SD 57014
Full Service - Brick and Mortar
Updated 01/30/2026Established 01/01/1883FDIC Certificate 4102

Branches (2)

Page 1 of 1
NameAddressCity / State
One American Bank (Main)549 Broadway StCenterville, SD
49TH ST3310 W 49th StSioux Falls, SD
SIOUX FALLS BRANCH515 S Minnesota AveSioux Falls, SD
Showing 2 of 2

Quarterly Trends

Tooltip shows Quarter only. Download buttons export the chart only (CSV/PNG with white background).

Total Assets vs Total Liabilities

Loans & Leases vs Deposits

Interest Income vs Expense

Net Interest Income

Noninterest Expense vs Income

Net Income

Institution Profile

Institution ClassCommercial bank, state charter, Fed non-member, and supervised by the FDIC
Primary RegulatorFDIC
Established Date01/01/1883
Community BankYes
Ownership TypeNot Mutual
ZIP57014
State and County Number46125
Subchapter S CorporationsNo
Trust PowersN/A
Federal Reserve ID Number09
Numeric code21
Insured by FDICInstitutions that are currently open and insured by the FDIC
Federal Reserve DistrictKansas City
Core Based Statistical Area NameSioux Falls, SD

Operational Info

Number of Employees42
Domestic Offices3
Foreign Offices0
US Offices0
Directly owned by another bank (CERT)No
Last Structure Change Effective Date06/30/2024
Date of Deposit Insurance01/01/1934
Primary Insurance AgencyDIF
Websitewww.oneamericanbank.com
Data Updated01/30/2026
CERT6078
Office of The Comptroller District:
Office of Thrift Supervision RegionN/A

Financial Summary

Total Assets$356.55M
Total Deposits$234.38M
Total Liabilities$328.30M
Total Equity Capital$28.25M
Net Income$-1,691,000
Net Loans and Leases$272.28M
Assets Per Employee ($Millions)$9.14M
Bank Premises and Fixed Assets$10.67M
Cash and Balances due from Depository Institutions$42.59M
Deposits Held in Domestic Offices$234.38M

Key Performance Ratios

Return on Assets (ROA)-1.87%
Return on Equity (ROE)-23.31%
Net Interest Margin1.1%
Efficiency Ratio240.94%
Tier 1 Risk-Based Capital Ratio15.583%
Net Loans and Leases to Core Deposits0%
Credit Loss Provision to Assets0.31%
Cash Dividends to Net Income (YTD Only)0%
Equity Capital to Assets7.922%
Earning Assets to total Assets93.57%

Income and Expense

Total Interest Income$4.09M
Total Noninterest Income$67.00k
Total Interest Expense$3.15M
Total Noninterest Expense$2.42M
Net Interest Income$937.00k
Pre-tax Net Operating Income$-1,693,000
Provision for Credit Losses$278.00k
Discontinued Operations (Extraordinary Gains - Net)$0

Additional Financial Info

Goodwill and Other Intangibles$0
All Other Assets
Other Real Estate Owned$0
Other borrowed funds$91.20M
Federal Funds Sold & Reverse Repurchase Agreement$0
Federal Funds Purchased and Repurchased Agreement$0
All Other Liabilities$2.72M
Total Liabilities and Capital$356.55M

Securities

Securities$21.20M
Available-for-sale debt securities$21.13M
Equity securities with readily determinable fair values not held for trading
Held-to-maturity securities$0
Subordinated Debt$0
Trading Account Assets$0
Trading Liabilities$0

Frequently Asked Questions

What are the total assets of One American Bank?
$356.55M as of the latest filing.
How much are One American Bank's total deposits?
$234.38M in total deposits.
Where is One American Bank located?
Centerville, SD.
What is the Net Interest Margin?
1.10%.
How many domestic offices does it operate?
3.
When was it established?
01/01/1883.
What is the Return on Assets (ROA)?
-1.87%.
How much are total loans and leases?
$272.28M (latest filing).
What is the total interest income (latest filing)?
$4.09M.