South Dakota Mortgage and Refinance Rates

South Dakota Mortgage and Refinance Rates

Current South Dakota Mortgage Rates

Average market rates for May 24, 2026 in South Dakota are 6.62% for 30-year fixed purchase and 6.69% for 30-year fixed refinance

ProductRateAPR
30-year Fixed Purchase6.62%6.66%
30-year Fixed Refinance6.69%6.72%
Rates based on market averages as of May 23, 2026.

ProductRateAPR
30-year Fixed Purchase6.62%6.66%
30-year Fixed Refinance6.69%6.72%
Rates based on market averages as of May 23, 2026.

South Dakota Purchase Rates

ProductRateAPR
15-year Fixed Purchase5.76%5.81%
15-year Fixed Jumbo Purchase6.19%6.22%
30-year Fixed Purchase6.62%6.66%
30-year Fixed Jumbo Purchase6.83%6.85%
Rates based on market averages as of May 23, 2026.

South Dakota Refinance Rates

ProductRateAPR
15-year Fixed Refinance5.74%5.79%
15-year Fixed Jumbo Refinance6.20%6.22%
30-year Fixed Refinance6.69%6.72%
30-year Fixed Jumbo Refinance6.83%6.85%
Rates based on market averages as of May 23, 2026.

South Dakota ARM Rates

ProductRateAPR
5/6 Arm (purchase)6.08%6.13%
5/6 Arm (refinance)6.16%6.21%
5/6 Jumbo Arm (purchase)6.09%6.10%
5/6 Jumbo Arm (refinance)6.16%6.17%
Rates based on market averages as of May 23, 2026.

How we source rates and rate trends

Most Common Mortgage Types in South Dakota

  • Conventional: 7,516 loans
  • FHA: 1,361 loans
  • USDA: 390 loans
  • VA: 1,167 loans

Top Purchase Lenders in South Dakota by Volume

  • 549300kj8paj7e52hg32: 1,561 loans
  • First Premier Bank: 669 loans
  • First Bank & Trust: 505 loans
  • First Dakota National Bank: 468 loans
  • Black Hills Federal Credit Union: 425 loans
  • Cmg Mortgage, Inc.: 416 loans
  • Gateway First Bank: 395 loans
  • Bankwest, Inc.: 378 loans
  • Fairway Independent Mortgage Corporation: 338 loans
  • American Bank & Trust: 289 loans

Top Refinance Lenders in South Dakota by Volume

  • First Interstate Bank: 204 loans
  • First Premier Bank: 186 loans
  • 549300kj8paj7e52hg32: 173 loans
  • Black Hills Federal Credit Union: 164 loans
  • First Bank & Trust: 141 loans
  • U.S. Bank: 99 loans
  • Wells Fargo Bank: 77 loans
  • First Dakota National Bank: 63 loans
  • Rocket Mortgage, LLC: 60 loans
  • Sioux Falls: 56 loans

Top Cash-Out Refinance Lenders in South Dakota by Volume

  • Rocket Mortgage, LLC: 441 loans
  • Sioux Falls: 230 loans
  • 549300kj8paj7e52hg32: 188 loans
  • Wells Fargo Bank: 183 loans
  • Black Hills Federal Credit Union: 110 loans
  • Loandepot.com, LLC: 100 loans
  • Nationstar Mortgage LLC: 84 loans
  • First Bank & Trust: 83 loans
  • First Interstate Bank: 83 loans
  • First Premier Bank: 75 loans

How we source lender data