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Size · South Dakota

Largest US Banks by Assets in South Dakota

Ranked among banks headquartered in South Dakota. Re-ranked 1-59 within the state from the same national ranking population.

#1 US Banks by Assets: CITIBANK, N.A. — $1.93T . The largest US bank by total assets is the bank at the top of this list, updated quarterly from FFIEC call report filings.

Ranked: 59 banks with reported data Showing: Top 59 Source: FFIEC call reports (Q1 2026)
# Bank HQ Value
1 Citibank, N.A. Sioux Falls , SD $1.93T
2 Wells Fargo Bank, N.A. Sioux Falls , SD $1.85T
3 Bancorp Bank N.A., the Sioux Falls , SD $9.90B
4 Pathward, N.A. Sioux Falls , SD $7.11B
5 First Bank & Trust Brookings , SD $4.87B
6 Dacotah Bank Aberdeen , SD $4.87B
7 First Premier Bank Sioux Falls , SD $3.55B
8 First Dakota National Bank Yankton , SD $3.30B
9 Sunrise Banks, N.A. Sioux Falls , SD $2.73B
10 American Bank & Trust Sioux Falls , SD $2.24B
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11 First National Bank in Sioux Falls, the Sioux Falls , SD $2.11B
12 First National Bank Fort Pierre , SD $2.05B
13 Bankwest, Incorporated Pierre , SD $1.92B
14 First Savings Bank Beresford , SD $1.59B
15 Cortrust Bank N.A. Mitchell , SD $1.58B
16 Plains Commerce Bank Sioux Falls , SD $1.35B
17 1st Financial Bank USA Dakota Dunes , SD $1.33B
18 Anchorage Digital Bank N.A. Sioux Falls , SD $1.14B
19 Pioneer Bank & Trust Belle Fourche , SD $985.9M
20 Reliabank Dakota Estelline , SD $757.8M
21 First Fidelity Bank Burke , SD $702.2M
22 Security Savings Bank Canton , SD $549.6M
23 Black Hills Community Bank, N.A. Rapid City , SD $495.9M
24 First National Bank Oldham , SD $484.3M
25 First National Bank in Philip Philip , SD $465.7M
26 One American Bank Centerville , SD $360.3M
27 Bankstar Financial Elkton , SD $357.8M
28 Rivers Edge Bank Marion , SD $346.3M
29 Frontier Bank Sioux Falls , SD $344.8M
30 Security Bank Midwest Tyndall , SD $321.9M
31 Commercial State Bank of Wagner Wagner , SD $263.0M
32 Farmers State Bank Parkston , SD $258.9M
33 Security National Bank of South Dakota Dakota Dunes , SD $253.2M
34 Campbell County Bank Herreid , SD $247.1M
35 Quoin Financial Bank Miller , SD $244.8M
36 Merchants State Bank Freeman , SD $217.6M
37 U.S. Bank Trust N.A. Sd Sioux Falls , SD $189.9M
38 Farmers and Merchants State Bank Plankinton , SD $172.9M
39 Heartland State Bank Redfield , SD $156.0M
40 Citizens State Bank of Arlington Arlington , SD $155.1M
41 First State Bank of Roscoe Roscoe , SD $152.3M
42 Great Plains Bank Eureka , SD $151.3M
43 Dnb National Bank Clear Lake , SD $119.6M
44 Security State Bank Alexandria , SD $99.9M
45 Western Dakota Bank Timber Lake , SD $89.2M
46 State Bank of Eagle Butte Eagle Butte , SD $81.5M
47 Farmers State Bank of Canton Canton , SD $81.4M
48 Ipswich State Bank Ipswich , SD $70.9M
49 Community Bank Avon , SD $70.6M
50 First Western Federal Savings Bank Rapid City , SD $65.5M
51 Sunrise Bank Dakota Onida , SD $61.9M
52 Security State Bank, the Emery , SD $61.8M
53 Bryant State Bank Bryant , SD $55.3M
54 Richland State Bank Bruce , SD $46.2M
55 Farmers State Bank of Turton, the Turton , SD $40.2M
56 Farmers and Merchants State Bank, the Scotland , SD $36.1M
57 First National Bank of Frederick, the Frederick , SD $28.6M
58 Andes State Bank Lake Andes , SD $25.6M
59 Farmers State Bank Hosmer , SD $20.9M

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Largest US Banks by Deposits Largest US Community Banks (under $10B)

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All data sourced from the most recent FFIEC call report filings, refreshed each quarter as new filings are processed. See /data-updates/ for the current data freshness window.

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