Johnson County
Illinois · FIPS 17087
According to CFPB HMDA 2024 application volume among U.S. counties, Johnson County ranks #2,314 of 3,223, and #70 of 102 in Illinois.
Mortgage lending activity in Johnson County, Illinois 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. Johnson County, Illinois lenders denied 65 of the applications reported here, financing the rest at an average note rate of 6.97%, with applicants self-reporting average annual income of $37K. 60 distinct institutions reported mortgage activity in this county.
Borrower leverage and affordability signal. The loan-to-income ratio averages 4.4x, meaning typical borrowers took on mortgages of about 4.4 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 Johnson County
In Johnson County, lead originator Southerntrust Bank funded only 10.8% of 148 originated loans, below the county fleet's lower tercile (~10.9% top-1 share). The top three reporters together hold 27.0% of the book, so shopping across channels still meets many active filers.
Counties With Similar Application Volume
Nationwide counties nearest to Johnson County's 327 HMDA applications.
Counties With a Similar Average Loan
Nationwide counties nearest to Johnson County's $164,021 average loan (deduped against volume peers).
Lenders active in Johnson County
Southerntrust Bank funded 16 of the 148 loans originated in Johnson County, 10.8% of the county. 60 lenders reported activity here.
| # | Lender | Originated | Market Share |
|---|---|---|---|
| 1 | Southerntrust Bank | 16 | 10.8% |
| 2 | Rocket Mortgage | 12 | 8.1% |
| 3 | First Southern Bank | 12 | 8.1% |
| 4 | Guild Mortgage Company | 11 | 7.4% |
| 5 | Mortgage Research Center | 9 | 6.1% |
Every figure on PlainLender is rendered directly from CFPB HMDA federal source data, no number is typed in by an editor. For Johnson 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 Johnson 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.