Aurora County
South Dakota · FIPS 46003
According to CFPB HMDA 2024 application volume among U.S. counties, Aurora County ranks #3,047 of 3,210, and #43 of 65 in South Dakota.
Mortgage lending activity in Aurora 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. Aurora County, South Dakota saw 46 HMDA-reported mortgage applications in 2024. Lenders originated 31 of those loans and denied 8, producing a denial rate of 17.4% and an approval (origination) rate of 67.4%. The average loan amount was $217,609 at an average note rate of 6.57%, with applicants self-reporting average annual income of $36K. 14 distinct institutions reported mortgage activity in this county.
Borrower leverage and affordability signal. The loan-to-income ratio averages 6.0x, meaning typical borrowers took on mortgages of about 6.0 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 Aurora County
In Aurora County, lead originator Plains Commerce Bank funded 29.0% of 31 originated loans, above the county fleet's upper tercile (~16.7% top-1). The top three reporters together hold 48.4% of the book, so a handful of names dominate disclosed volume here.
Counties With Similar Application Volume
Nationwide counties nearest to Aurora County's 46 HMDA applications.
Counties With a Similar Average Loan
Nationwide counties nearest to Aurora County's $217,609 average loan (deduped against volume peers).
Lenders active in Aurora County
Plains Commerce Bank funded 9 of the 31 loans originated in Aurora County, 29.0% of the county. 14 lenders reported activity here.
| # | Lender | Originated | Market Share |
|---|---|---|---|
| 1 | Plains Commerce Bank | 9 | 29.0% |
| 2 | Farm Credit Mid-America, Aca | 3 | 9.7% |
| 3 | American Bank & Trust | 3 | 9.7% |
| 4 | Bankwest, INC. | 3 | 9.7% |
| 5 | Cortrust Mortgage, INC. | 3 | 9.7% |
Source: Consumer Financial Protection Bureau (CFPB), Home Mortgage Disclosure Act (HMDA) 2024. County FIPS codes per U.S. Census Bureau standards.
Data from FFIEC / CFPB HMDA Snapshot National Loan-Level Dataset (2024). Provided for informational purposes only; does not constitute financial advice for Aurora County borrowers.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainLender is rendered directly from CFPB HMDA federal source data, no number is typed in by an editor. This Aurora County page draws directly on CFPB HMDA federal source data, no figure is typed in by an editor. 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.