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American Bank & Trust
✓ FDIC-insured · Active FDIC Certificate #1117
American Bank & Trust is an FDIC-insured state-chartered bank that is not a Federal Reserve member (supervised by the FDIC), headquartered in Sioux Falls, South Dakota, established in 1892. As of the 06/30/2026 FDIC call report, it reported $2.2B in total assets and $2.0B in deposits. FDIC location data lists 20 offices across 3 states and territories, with the most in South Dakota (18). The FDIC classifies it as a community bank. It is owned by the holding company LEACKCO BANK HOLDING CO INC (Huron, SD).
Financial data as of the 06/30/2026 FDIC call report.
Branches by state
American Bank & Trust has offices in 3 states and territories. Counts come from the FDIC's institution location records.
| State | Offices | Share |
|---|---|---|
| South Dakota | 18 | 90.0% |
| Minnesota | 1 | 5.0% |
| North Dakota | 1 | 5.0% |
Branch locations
| American Bank & Trust Worthington Minnesota Branch · Full Service - Brick And Mortar | 1206 Oxford St Worthington, MN 56187 Map ↗ |
| American Bank & Trust Lisbon, Nd Branch · Full Service - Brick And Mortar | 902 Main St. Lisbon, ND 58054 Map ↗ |
| American Bank & Trust Iroquois Branch · Full Service - Brick And Mortar | 201 S Ottowa St Iroquois, SD 57353 Map ↗ |
| American Bank & Trust Pierre Br · Full Service - Brick And Mortar | 700 E Sioux Ave Pierre, SD 57501 Map ↗ |
| American Bank & Trust Wolsey Branch · Full Service - Brick And Mortar | 265 Commercial Ave Sw Wolsey, SD 57384 Map ↗ |
| American Bank & Trust Huron Branch · Full Service - Brick And Mortar | 1820 Dakota Ave S Huron, SD 57350 Map ↗ |
| American Bank & Trust Stickney Br · Full Service - Brick And Mortar | 221 Main St Stickney, SD 57375 Map ↗ |
| American Bank & Trust De Smet Branch · Full Service - Brick And Mortar | 212 Calumet Ave Se De Smet, SD 57231 Map ↗ |
| American Bank & Trust Sioux Falls 41st & Sycamore Branch · Full Service - Brick And Mortar | 3405 S Sycamore Ave Sioux Falls, SD 57110 Map ↗ |
| American Bank & Trust Sioux Falls River Centre Branch · Full Service - Brick And Mortar | 200 E 10th St Sioux Falls, SD 57104 Map ↗ |
| American Bank & Trust Carthage Branch · Full Service - Brick And Mortar | 201 Main St W Carthage, SD 57323 Map ↗ |
| American Bank & Trust Lennox Branch · Full Service - Brick And Mortar | 214 S Main St Lennox, SD 57039 Map ↗ |
| American Bank & Trust Aberdeen, South Dakota Branch · Full Service - Brick And Mortar | 320 6th Ave Se Aberdeen, SD 57401 Map ↗ |
| American Bank & Trust Wessington Springs Branch · Full Service - Brick And Mortar | 120 Main St E Wessington Springs, SD 57382 Map ↗ |
| American Bank & Trust Watertown Branch · Full Service - Brick And Mortar | 1715 1st Ave Ne Watertown, SD 57201 Map ↗ |
| American Bank & Trust Tea Sd Branch · Full Service - Brick And Mortar | 801 East Gateway Lane Tea, SD 57064 Map ↗ |
| American Bank & Trust 26th Street Sioux Falls Sd Branch · Full Service - Brick And Mortar | 8401 West 26th Street Sioux Falls, SD 57106 Map ↗ |
| American Bank & Trust American Bank & Trust · Full Service - Brick And Mortar | 6810 S Minnesota Ave Sioux Falls, SD 57108 Map ↗ |
| American Bank & Trust Miller Branch · Full Service - Brick And Mortar | 131 N Broadway Ave Miller, SD 57362 Map ↗ |
| American Bank & Trust Mellette Branch · Full Service - Brick And Mortar | 4 W Main St Mellette, SD 57461 Map ↗ |
Holding company: LEACKCO BANK HOLDING CO INC
The FDIC lists LEACKCO BANK HOLDING CO INC, based in Huron, SD, as the top holding company for American Bank & Trust. The FDIC shows no other active insured banks under the same holding company.
Similar-size banks in South Dakota
Active FDIC-insured banks headquartered in South Dakota with total assets closest to American Bank & Trust's $2.2B. See all banks in South Dakota.
| Bank | HQ city | Assets | Offices |
|---|---|---|---|
| First Dakota National Bank | Yankton | $3.4B | 17 |
| Sunrise Banks, National Association | Sioux Falls | $2.8B | 5 |
| The First National Bank in Sioux Falls | Sioux Falls | $2.1B | 19 |
| First National Bank | Fort Pierre | $2.0B | 20 |
| BankWest, Inc. | Pierre | $1.9B | 22 |
| First Savings Bank | Beresford | $1.6B | 24 |
| CorTrust Bank National Association | Mitchell | $1.6B | 36 |
| 1st Financial Bank USA | Dakota Dunes | $1.4B | 2 |
American Bank & Trust: common questions
Is American Bank & Trust FDIC-insured?
Yes. American Bank & Trust is an active FDIC-insured institution, FDIC Certificate #1117. Deposits are insured up to $250,000 per depositor, per ownership category. You can confirm this on FDIC BankFind.
Where is American Bank & Trust headquartered?
American Bank & Trust is headquartered at 6810 S Minnesota Ave, Sioux Falls, SD 57108, according to FDIC records.
How many branches does American Bank & Trust have?
FDIC location data lists 20 offices for American Bank & Trust in 3 states and territories. The most are in South Dakota (18), followed by Minnesota (1).
Who owns American Bank & Trust?
The FDIC lists LEACKCO BANK HOLDING CO INC of Huron, SD as the top holding company for American Bank & Trust.
Source: FDIC BankFind Suite (institution, location, and call report data). BankNearMe.com does not rank or rate banks.