First Interstate Bank · South Dakota · 2025

First Interstate Bank in South Dakota: approval rate, denial rate and rates (2025)

First Interstate Bank took 615 mortgage applications in South Dakota in 2025, ranking #11 of 386 lenders active in the state. It originated 59.2% of them and denied 26.2% (30.2% of the applications it decided), against a statewide denial rate of 12.8%.

615Applicationsin SD
30.2%Decision denial ratestate 15.7%
8.25%Median ratestate 6.50%
$105,000Median loanstate $225,000
$67MVolume41 counties

First Interstate Bank in South Dakota vs the state

26.2%Denial rate+13.43 pts vs state
30.2%Decision denial rate+14.48 pts vs state
59.2%Origination rate-6.85 pts vs state
8.25%Median rate+1.75 pts vs state
1.06Rate spread (pts)+0.87 pts vs state
$106kMedian applicant income
364Loans originated
161Denied

Trend in South Dakota

YearApplicationsOriginatedDenial rateMedian rateRank in state
202377947022.5%9.00%#5
202466442021.5%9.25%#7
202561536426.2%8.25%#11

What First Interstate Bank lends in South Dakota

By loan purpose

Home purchase 157 26% · 14.7% denied
Refinance 133 22% · 27.1% denied
Cash-out refinance 20 3% · 50.0% denied
Home improvement 219 36% · 24.2% denied
Other / HELOC 86 14% · 45.4% denied

By loan type

Conventional 578 94% · 26.5% denied
FHA 26 4% · 23.1% denied
VA 4 1% · 25.0% denied
USDA / RHS 7 1% · 14.3% denied

Why it denied South Dakota applicants

Debt-to-income ratio 79 49%
Credit history 43 27%
Collateral 35 22%
Insufficient cash 2 1%
Other 1 1%
Unverifiable information 1 1%

Where in South Dakota

Counties with the most First Interstate Bank applications in 2025.

CountyApplicationsOriginatedDeniedDenial rate
Lawrence County 1066824 22.6%
Minnehaha County 986028 28.6%
Pennington County 512517 33.3%
Codington County 443010 22.7%
Brown County 38208 21.1%
Meade County 341713 38.2%
Fall River County 301612 40.0%
Lincoln County 26195 19.2%
Grant County 18111 5.6%
Butte County 17115 29.4%

Other large lenders in South Dakota

LenderGradeApplicationsDenial rateMedian rate
Plains Commerce BankB 2,2805.5%6.25%
First PREMIER BankC 1,38911.7%6.88%
First Bank & TrustC 1,32011.2%6.63%
Black Hills Federal Credit UnionD 1,22323.0%7.75%
Rocket MortgageC 1,02716.9%6.75%
CMG MortgageA 9192.3%6.38%
BankwestF 78614.0%7.25%
First Dakota National BankA 6904.6%6.50%
Levo Federal Credit UnionB 6446.8%7.50%
U.S. BankD 63724.0%6.99%

Frequently asked questions

South Dakota: 615 applications in 2025, of which 364 were originated and 161 denied.

26.2% of all applications, or 30.2% of the applications it actually decided on. The South Dakota statewide average across all lenders was 12.8%.

The median rate on loans First Interstate Bank originated in South Dakota in 2025 was 8.25%, against a statewide median of 6.50%.

About this data. Figures are First Interstate Bank's own HMDA filing for properties located in South Dakota, 2025. The grade is national; state-level figures are shown for context and are not separately graded. Methodology