Yankton County
South Dakota · FIPS 46135
According to CFPB HMDA 2024 application volume among U.S. counties, Yankton County ranks #1,921 of 3,223, and #10 of 65 in South Dakota.
Mortgage lending activity in Yankton County, South Dakota based on lender filings under the Home Mortgage Disclosure Act (HMDA). Data covers all applications received by HMDA-reporting institutions operating in this county during 2024. Why mortgages get denied walks the denial-reason codes that appear in books like this one.
Local mortgage market. Yankton County, South Dakota lenders denied 71 of the applications reported here, financing the rest at an average note rate of 6.77%, with applicants self-reporting average annual income of $38K. 56 distinct institutions reported mortgage activity in this county.
Borrower leverage and affordability signal. The loan-to-income ratio averages 6.2x, meaning typical borrowers took on mortgages of about 6.2 times their annual income. That ratio is a rough affordability signal: higher multiples imply tighter monthly budgets and greater exposure to rate or income shocks. See our methodology for how to read the denial rate against a local applicant pool. This page is informational data reporting, not financial, legal, or mortgage advice.
Lender concentration in Yankton County
In Yankton County, lead originator First Dakota National Bak funded 22.3% of 341 originated loans, above the county fleet's upper tercile (~16.7% top-1). The top three reporters together hold 42.5% of the book, so a handful of names dominate disclosed volume here.
Counties With Similar Application Volume
Nationwide counties nearest to Yankton County's 569 HMDA applications.
Counties With a Similar Average Loan
Nationwide counties nearest to Yankton County's $234,859 average loan (deduped against volume peers).
Lenders active in Yankton County
First Dakota National Bak funded 76 of the 341 loans originated in Yankton County, 22.3% of the county. 56 lenders reported activity here.
| # | Lender | Originated | Market Share |
|---|---|---|---|
| 1 | First Dakota National Bak | 76 | 22.3% |
| 2 | First National Bank of Omaha | 39 | 11.4% |
| 3 | Rocket Mortgage | 30 | 8.8% |
| 4 | Cortrust Bank NA | 24 | 7.0% |
| 5 | Cortrust Mortgage, INC. | 23 | 6.7% |
Every figure on PlainLender is rendered directly from CFPB HMDA federal source data, no number is typed in by an editor. For Yankton County, from the FFIEC/CFPB HMDA Snapshot National Loan-Level Dataset (2024) -- county FIPS codes follow U.S. Census Bureau standards. Not financial advice for Yankton County borrowers. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-08-10. HMDA figures are lender-filed application outcomes for a published reporting year - not creditworthiness scores, rate quotes, Loan Estimates, underwriting decisions, or mortgage advice.