HUD Open Data · FY 2026
What is the Fair Market Rent in Grundy County, IL?
Last updated: FY2026, effective October 1, 2025
In Grundy County, Illinois, the FY2026 Fair Market Rent for a two-bedroom is $1,459 a month. Rents run from $1,032 for a studio up to $2,203 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 Grundy County and Neighbouring Counties
| Unit size | Monthly FMR (FY 2026) |
|---|---|
| Studio / Efficiency | $1,032 |
| 1 Bedroom | $1,118 |
| 2 Bedrooms | $1,459 |
| 3 Bedrooms | $1,979 |
| 4 Bedrooms | $2,203 |
How does Grundy County compare?
2-bedroom Fair Market Rent ranked against all counties in Illinois.
Higher rent than 93% of counties in Illinois · 8th of 102
| # | County | Value |
|---|---|---|
| 1 | Kendall County | $2,050 |
| 2 | Will County | $1,781 |
| 2 | Lake County | $1,781 |
| … 4 more … | ||
| 8 | Grundy County(you are here) | $1,459 |
| … 91 more … | ||
| 59 | Macoupin County | $916 |
| 59 | Mason County | $916 |
| 59 | Lee County | $916 |
More data for Grundy 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 Grundy County, IL for 2026?
In Grundy County, Illinois, a two-bedroom has a Fair Market Rent of $1,459 a month for FY2026, and rents range from $1,032 for a studio to $2,203 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 Grundy County, IL?
A two-bedroom in Grundy County, Illinois has a Fair Market Rent of $1,459 a month under HUD's FY2026 figures.
When do Fair Market Rents in Grundy 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 Grundy County, IL?
Every ZIP code in Grundy County has its own Fair Market Rent page — see the "ZIP codes in Grundy County" list above. Each ZIP page lists studio through 4-bedroom FMRs for FY2026.
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