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Highest CD Rates in South Dakota
110 South Dakota-specific CD products

By Aviel Fahl

Newest reading: October 13, 2026

Top South Dakota Rate:4.30% APYFDIC or NCUA Insured

The South Dakota market

South Dakota accounts

110

Institutions

17

Top South Dakota APY

4.30% APY

Nationally: 5.00% APY

FDIC national average

1.73%

As of Sep 2026

110 CDs are open only to South Dakota residents, from 17 institutions. The highest advertised APY among them is 4.30%.

The highest nationally available rate is 5.00% APY, 70 basis points above the South Dakota leader.

95 of the 110 South Dakota CDs advertise more than the FDIC national average of 1.73% for 12-month CDs as of Sep 2026.

South Dakota-Specific CD Rates

CD rates specifically available to South Dakota residents. Business, youth and IRA CDs are not included.

Top 50 CD terms from 15 banks,sorted by highest APY
#1
CorTrust Bank National Association

3 Year CD

Term: 36 months

4.30%
APY
Observed: Oct 13, 2026
Min Deposit

$500

Branches

Yes

#2
CorTrust Bank National Association

4 Year CD

Term: 48 months

4.30%
APY
Observed: Oct 13, 2026
Min Deposit

$500

Branches

Yes

#3
CorTrust Bank National Association

5 Year CD

Term: 60 months

4.30%
APY
Observed: Oct 13, 2026
Min Deposit

$500

Branches

Yes

#4
CorTrust Bank National Association

2 Year CD

Term: 24 months

4.25%
APY
Observed: Oct 13, 2026
Min Deposit

$500

Branches

Yes

#5
CorTrust Bank National Association

30 Month CD

Term: 30 months

4.25%
APY
Observed: Oct 13, 2026
Min Deposit

$500

Branches

Yes

#6
BankNorth

7 Month CD Special

Term: 7 months

4.20%
APY
Observed: Oct 7, 2026
Min Deposit

$5,000

Branches

N/A

#7
CorTrust Bank National Association

18 Month CD

Term: 18 months

4.20%
APY
Observed: Oct 13, 2026
Min Deposit

$500

Branches

Yes

#8
CorTrust Bank National Association

1 Year CD

Term: 12 months

4.10%
APY
Observed: Oct 13, 2026
Min Deposit

$500

Branches

Yes

#9
One American Bank

3 Month CD Special

Term: 3 months

4.05%
APY
Observed: Oct 3, 2026
Min Deposit

$50,000

Branches

Yes

#10
CorTrust Bank National Association

182 Day CD

Term: 6 months

4.05%
APY
Observed: Oct 13, 2026
Min Deposit

$1,000

Branches

Yes

#11
First Bank & Trust

13-Month CD

Term: 13 months

4.05%
APY
Observed: Oct 4, 2026
Min Deposit

$1,000

Branches

Yes

#12
One American Bank

12 Month CD Special

Term: 12 months

4.01%
APY
Observed: Oct 3, 2026
Min Deposit

$50,000

Branches

Yes

#13
CorTrust Bank National Association

91 Day CD

Term: 3 months

4.00%
APY
Observed: Oct 13, 2026
Min Deposit

$2,500

Branches

Yes

#14
Frandsen Bank & Trust

10-Month CD

Term: 10 months

4.00%
APY
Observed: Oct 7, 2026
Min Deposit

$25,000

Branches

Yes

#15
First Western Bank & Trust

24 Month CD Special

Term: 24 months

4.00%
APY
Observed: Oct 3, 2026
Min Deposit

$2,500

Branches

Yes

#16
First Nebraska Bank

60-Month Certificate

Term: 60 months

3.96%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#17
One American Bank

6 Month CD Special

Term: 6 months

3.95%
APY
Observed: Oct 3, 2026
Min Deposit

$50,000

Branches

Yes

#18
First Nebraska Bank

36-Month Certificate

Term: 36 months

3.91%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#19
First Nebraska Bank

48-Month Certificate

Term: 48 months

3.91%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#20
Dacotah Bank

13 Month CD Special

Term: 13 months

3.90%
APY
Observed: Oct 7, 2026
Min Deposit

$5,000

Branches

Yes

#21
First Western Bank & Trust

13 Month CD Special

Term: 13 months

3.86%
APY
Observed: Oct 3, 2026
Min Deposit

$2,500

Branches

Yes

#22
Frontier Bank

11-Month CD Special

Term: 11 months

3.85%
APY
Observed: Oct 7, 2026
Min Deposit

$5,000

Branches

Yes

#23
Gateway First Bank

12 Month CD

Term: 12 months

3.85%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#24
Gateway First Bank

18 Month CD

Term: 18 months

3.85%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#25
First Nebraska Bank

24-Month Certificate

Term: 24 months

3.85%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#26
Sunrise Banks, National Association

12 Month CD

Term: 12 months

3.80%
APY
Observed: Oct 4, 2026
Min Deposit

$500

Branches

Yes

#27
First Nebraska Bank

18-Month Certificate

Term: 18 months

3.80%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#28
BankNorth

6 Month CD

Term: 6 months

3.79%
APY
Observed: Oct 7, 2026
Min Deposit

$1,000

Branches

N/A

#29
First Western Bank & Trust

6 Month CD Special

Term: 6 months

3.78%
APY
Observed: Oct 3, 2026
Min Deposit

$2,500

Branches

Yes

#30
Plains Commerce Bank

7 Month CD Special

Term: 7 months

3.78%
APY
Observed: Oct 7, 2026
Min Deposit

$10,000

Branches

Yes

#31
Frandsen Bank & Trust

5-Month CD

Term: 5 months

3.75%
APY
Observed: Oct 7, 2026
Min Deposit

$25,000

Branches

Yes

#32
Dacotah Bank

8 Month CD Special

Term: 8 months

3.75%
APY
Observed: Oct 7, 2026
Min Deposit

$5,000

Branches

Yes

#33
BankNorth

12 Month CD

Term: 12 months

3.75%
APY
Observed: Oct 7, 2026
Min Deposit

$1,000

Branches

N/A

#34
Plains Commerce Bank

13 Month CD Special

Term: 13 months

3.74%
APY
Observed: Oct 7, 2026
Min Deposit

$10,000

Branches

Yes

#35
Minnwest Bank

Digital CD 1 (7 Month)

Term: 7 months

3.73%
APY
Observed: Oct 7, 2026
Min Deposit

$25,000

Branches

Yes

#36
First Nebraska Bank

12-Month Certificate

Term: 12 months

3.65%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#37
Minnwest Bank

Digital CD 2 (13 Month)

Term: 13 months

3.65%
APY
Observed: Oct 7, 2026
Min Deposit

$25,000

Branches

Yes

#38
Minnwest Bank

Classic 7 Month CD Special

Term: 7 months

Up to3.63%
APY

Needs at least $25,000

Observed: Oct 7, 2026
Min Deposit

$5,000

Branches

Yes

#39
Central Bank

5 Month CD Special

Term: 5 months

3.60%
APY
Observed: Oct 7, 2026
Min Deposit

$10,000

Branches

Yes

#40
Gateway First Bank

6 Month CD

Term: 6 months

3.60%
APY
Observed: Oct 7, 2026
Min Deposit

N/A

Branches

Yes

#41
Central Bank

9 Month CD Special

Term: 9 months

3.60%
APY
Observed: Oct 7, 2026
Min Deposit

$10,000

Branches

Yes

#42
Central Bank

13 Month CD Special

Term: 13 months

3.60%
APY
Observed: Oct 7, 2026
Min Deposit

$10,000

Branches

Yes

#43
Minnwest Bank

Classic 13 Month CD Special

Term: 13 months

Up to3.60%
APY

Needs at least $25,000

Observed: Oct 7, 2026
Min Deposit

$5,000

Branches

Yes

#44
One American Bank

15 Month CD

Term: 15 months

3.59%
APY
Observed: Oct 3, 2026
Min Deposit

$500

Branches

Yes

#45
Commercial State Bank, of Wagner

48-Month CD (Quarterly Compounding)

Term: 48 months

3.54%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#46
Commercial State Bank, of Wagner

48-Month CD (Semi-Annual Compounding)

Term: 48 months

3.53%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#47
Gateway First Bank

3 Month CD

Term: 3 months

3.50%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#48
BankNorth

24 Month CD

Term: 24 months

3.50%
APY
Observed: Oct 7, 2026
Min Deposit

$1,000

Branches

N/A

#49
Gateway First Bank

24 Month CD

Term: 24 months

3.50%
APY
Observed: Oct 7, 2026
Min Deposit

$500

Branches

Yes

#50
BankNorth

36 Month CD

Term: 36 months

3.50%
APY
Observed: Oct 7, 2026
Min Deposit

$1,000

Branches

N/A

Nationally Available CD Rates

The 8 highest CD rates available nationwide, including in South Dakota.

InstitutionProduct / Term
Popular Direct
60 Months60 months
5.00%
Popular Direct
48 Months48 months
4.95%
Popular Direct
36 Months36 months
4.85%
E*TRADE from Morgan Stanley
12-Month Certificates of Deposit12 months
4.75%
Bread Savings
18-Month CD18 months
4.75%
Barclays
24-Month CD24 months
4.75%
Barclays
60-Month CD60 months
4.75%
Popular Direct
24 Months24 months
4.70%

See the full national list