HUD Open Data · FY 2026
What is the Fair Market Rent in Jefferson County, IL?
Last updated: FY2026, effective October 1, 2025
In Jefferson County, Illinois, the FY2026 Fair Market Rent for a two-bedroom is $1,026 a month. Rents run from $777 for a studio up to $1,365 for a four-bedroom, with the full breakdown by unit size below. HUD sets these rates each year, and housing authorities use them to set Section 8 voucher payment standards. Source: U.S. HUD, Office of Policy Development and Research, FY2026 Fair Market Rents, effective October 1, 2025.
2-Bedroom FMR in Jefferson County and Neighbouring Counties
| Unit size | Monthly FMR (FY 2026) |
|---|---|
| Studio / Efficiency | $777 |
| 1 Bedroom | $782 |
| 2 Bedrooms | $1,026 |
| 3 Bedrooms | $1,248 |
| 4 Bedrooms | $1,365 |
How does Jefferson County compare?
2-bedroom Fair Market Rent ranked against all counties in Illinois.
Higher rent than 61% of counties in Illinois · 41th of 102
| # | County | Value |
|---|---|---|
| 1 | Kendall County | $2,050 |
| 2 | Will County | $1,781 |
| 2 | Lake County | $1,781 |
| … 37 more … | ||
| 41 | Jefferson County(you are here) | $1,026 |
| … 58 more … | ||
| 59 | Macoupin County | $916 |
| 59 | Mason County | $916 |
| 59 | Lee County | $916 |
More data for Jefferson County, Illinois
No nearby counties with Fair Market Rent data are available in our database.
Frequently asked questions
What is the Fair Market Rent in Jefferson County, IL for 2026?
In Jefferson County, Illinois, a two-bedroom has a Fair Market Rent of $1,026 a month for FY2026, and rents range from $777 for a studio to $1,365 for a four-bedroom. The full breakdown by unit size is in the table above. Source: U.S. HUD, Office of Policy Development and Research, FY2026 Fair Market Rents.
What is the 2-bedroom Fair Market Rent in Jefferson County, IL?
A two-bedroom in Jefferson County, Illinois has a Fair Market Rent of $1,026 a month under HUD's FY2026 figures.
When do Fair Market Rents in Jefferson County become effective?
FY2026 Fair Market Rents became effective October 1, 2025 and apply through September 30, 2026.
How does HUD calculate Fair Market Rents?
HUD calculates FMRs as the 40th percentile of gross rents paid by recent movers for standard-quality units in a metropolitan area or non-metropolitan county. Data comes from the American Community Survey (ACS).
How do I find Fair Market Rent by ZIP code in Jefferson County, IL?
Every ZIP code in Jefferson County has its own Fair Market Rent page — see the "ZIP codes in Jefferson County" list above. Each ZIP page lists studio through 4-bedroom FMRs for FY2026.
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