Johnson County
Illinois · FIPS 17087
According to CFPB HMDA 2024 application volume among U.S. counties, Johnson County ranks #2,305 of 3,210, 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 saw 327 HMDA-reported mortgage applications in 2024. Lenders originated 148 of those loans and denied 65, producing a denial rate of 19.9% and an approval (origination) rate of 45.3%. The average loan amount was $164,021 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% |
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 Johnson 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 Johnson 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.