Jefferson County
Idaho · FIPS 16051
According to CFPB HMDA 2024 application volume among U.S. counties, Jefferson County ranks #1,165 of 3,223, and #10 of 44 in Idaho.
Mortgage lending activity in Jefferson County, Idaho 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. Jefferson County, Idaho lenders denied 254 of the applications reported here, financing the rest at an average note rate of 7.44%, with applicants self-reporting average annual income of $37K. 94 distinct institutions reported mortgage activity in this county.
Borrower leverage and affordability signal. The loan-to-income ratio averages 7.1x, meaning typical borrowers took on mortgages of about 7.1 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 Jefferson County
In Jefferson County, lead originator Idaho Central Credit Union funded 18.5% of 769 originated loans, above the county fleet's upper tercile (~16.7% top-1). The top three reporters together hold 36.5% of the book, so a handful of names dominate disclosed volume here.
Counties With Similar Application Volume
Nationwide counties nearest to Jefferson County's 1,415 HMDA applications.
Counties With a Similar Average Loan
Nationwide counties nearest to Jefferson County's $264,329 average loan (deduped against volume peers).
Lenders active in Jefferson County
Idaho Central Credit Union funded 142 of the 769 loans originated in Jefferson County, 18.5% of the county. 94 lenders reported activity here.
| # | Lender | Originated | Market Share |
|---|---|---|---|
| 1 | Idaho Central Credit Union | 142 | 18.5% |
| 2 | Rocket Mortgage | 81 | 10.5% |
| 3 | Beehive Federal Credit Union | 58 | 7.5% |
| 4 | Mountain America Federal Credit Union | 49 | 6.4% |
| 5 | Westmark Credit Union | 40 | 5.2% |
Every figure on PlainLender is rendered directly from CFPB HMDA federal source data, no number is typed in by an editor. For Jefferson 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 Jefferson 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.