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South Dakota Bank Deposits by Institution 82 institutions operate 432 offices in South Dakota, holding $1.15T in deposits as of June 30, 2026, +25.5% from 2025. Citibank, N.A. has the largest share at 55.2%, followed by Wells Fargo Bank, N.A. (40.3%).
Listed: 82 of 82Offices: 432Survey: FDIC Summary of Deposits, June 30, 2026
# Institution Offices Deposits in South Dakota Market share Change from 2025 1 Citibank, N.A. 2 $637.72B 55.25% 22.1% 2 Wells Fargo Bank, N.A. 30 $464.76B 40.26% 33.8% 3 The Bancorp Bank N.A. 1 $7.49B 0.65% -3.7% 4 Pathward, N.A. 1 $5.95B 0.52% -0.9% 5 First Interstate Bank 46 $3.43B 0.30% 0.4% 6 First Bank & Trust 15 $3.26B 0.28% 2.4% 7 First Dakota National Bank 17 $2.96B 0.26% 8.1% 8 First Premier Bank 13 $2.89B 0.25% 13.3% 9 Dacotah Bank 21 $2.87B 0.25% 3.4% 10 American Bank & Trust 18 $1.91B 0.17% 11.6% 11 The First National Bank in Sioux Falls 18 $1.77B 0.15% 10.3% 12 Sunrise Banks, N.A. 2 $1.70B 0.15% 10.4% 13 Bankwest, Incorporated 22 $1.65B 0.14% 10.7% 14 U.S. Bank N.A. 10 $1.48B 0.13% -1.1% 15 1st Financial Bank USA 2 $1.09B 0.09% 9.9% 16 Plains Commerce Bank 8 $1.08B 0.09% 6.1% 17 Cortrust Bank N.A. 22 $937.5M 0.08% 12.5% 18 Pioneer Bank & Trust 7 $896.5M 0.08% 4.3% 19 First National Bank 12 $808.4M 0.07% 1.1% 20 Reliabank Dakota 10 $663.6M 0.06% 7.6% 21 First Fidelity Bank 11 $648.7M 0.06% 7.6% 22 First National Bank of Omaha 3 $475.8M 0.04% 5.1% 23 Security First Bank 3 $468.2M 0.04% -2.8% 24 Black Hills Community Bank, N.A. 2 $430.4M 0.04% -4.0% 25 First Savings Bank 11 $414.7M 0.04% 5.0% 26 Central Bank 6 $411.7M 0.04% 13.8% 27 First National Bank in Philip 2 $400.6M 0.03% 13.5% 28 Liberty National Bank 5 $347.6M 0.03% -0.1% 29 Bankstar Financial 3 $302.1M 0.03% 12.9% 30 Farmers State Bank 3 $237.4M 0.02% 2.5% 31 Rivers Edge Bank 4 $234.7M 0.02% 10.6% 32 One American Bank 3 $231.5M 0.02% -10.8% 33 Commercial State Bank of Wagner 1 $218.8M 0.02% -1.1% 34 Quoin Financial Bank 3 $216.5M 0.02% 6.3% 35 BMO Bank N.A. 7 $215.1M 0.02% -7.5% 36 Minnwest Bank 6 $210.4M 0.02% -1.9% 37 Campbell County Bank 4 $195.9M 0.02% 32.5% 38 Security National Bank of South Dakota 3 $194.7M 0.02% 2.6% 39 Security Bank Midwest 4 $188.9M 0.02% -8.3% 40 Premier Bank 2 $181.5M 0.02% 3.6% 41 Merchants State Bank 4 $180.7M 0.02% 4.0% 42 Farmers and Merchants State Bank 2 $137.3M 0.01% 9.4% 43 Heartland State Bank 4 $135.1M 0.01% 9.9% 44 Citizens State Bank of Arlington 3 $134.9M 0.01% 5.2% 45 Security Savings Bank 2 $132.6M 0.01% 5.8% 46 First State Bank of Roscoe 3 $125.8M 0.01% 6.6% 47 Great Plains Bank 3 $120.6M 0.01% 3.3% 48 DNB National Bank 2 $114.3M 0.01% 7.0% 49 Legends West Bank 1 $107.1M 0.01% 66.3% 50 Banknorth 2 $104.6M 0.01% 14.2% 51 Elkhorn Valley Bank & Trust 1 $98.2M 0.01% 7.8% 52 First International Bank and Trust 1 $98.1M 0.01% 41.1% 53 Security State Bank 3 $95.6M 0.01% 2.5% 54 JPMorgan Chase Bank, N.A. 4 $83.9M 0.01% 28.6% 55 Western Dakota Bank 2 $77.3M 0.01% 9.4% 56 State Bank of Eagle Butte 1 $70.9M 0.01% 1.9% 57 Frontier Bank 2 $68.6M 0.01% -1.5% 58 Farmers State Bank of Canton 1 $68.4M 0.01% 3.7% 59 Ipswich State Bank 1 $62.3M 0.01% 12.0% 60 Bank Midwest 1 $60.4M 0.01% 2.4% 61 Community Bank 1 $60.2M 0.01% 9.8% 62 American State Bank 1 $55.3M 0.00% -0.5% 63 The Security State Bank 2 $52.2M 0.00% 4.2% 64 Pioneer Bank 1 $51.6M 0.00% -20.0% 65 Sunrise Bank Dakota 1 $49.7M 0.00% -7.6% 66 Bryant State Bank 1 $45.7M 0.00% 5.2% 67 Richland State Bank 1 $44.7M 0.00% 24.0% 68 Cornerstone Bank 3 $41.5M 0.00% 3.8% 69 First Western Federal Savings Bank 1 $40.6M 0.00% 7.2% 70 The Farmers State Bank of Turton 1 $34.9M 0.00% 0.1% 71 First National Bank 2 $34.1M 0.00% 2.4% 72 The Farmers and Merchants State Bank 1 $32.4M 0.00% 3.4% 73 First Western Bank and Trust 1 $29.7M 0.00% 155.6% 74 The First National Bank of Frederick 1 $25.5M 0.00% 0.6% 75 Andes State Bank 1 $24.2M 0.00% 2.9% 76 Dakota Community Bank & Trust, N.A. 1 $22.2M 0.00% 105.0% 77 Peoples Bank 1 $18.9M 0.00% 48.7% 78 Frandsen Bank & Trust 1 $15.5M 0.00% — 79 Farmers and Merchants State Bank, Bloomfield, Nebraska 1 $12.2M 0.00% 26.0% 80 Sundance State Bank 1 $10.8M 0.00% — 81 First State Bank Southwest 1 $9.6M 0.00% -4.3% 82 Heritage Bank, N.A. 1 $6.1M 0.00% -61.8%
About this list Deposits are those held at each institution's offices in South Dakota as of June 30, 2026, from the FDIC Summary of Deposits, whatever state the bank is headquartered in. Market share is the institution's deposits divided by all deposits in South Dakota. Change from 2025 compares the same institution's South Dakota deposits and includes deposits that moved through mergers and branch sales; a dash means the institution had no offices here a year earlier. For banks headquartered in the state, see the South Dakota bank directory .