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HUD Open Data · FY 2026

What is the Fair Market Rent in Cook County, IL?

$1,781/mo 1.1%vs 2025 ($1,761)

Last updated: FY2026, effective October 1, 2025

In Cook County, Illinois, the FY2026 Fair Market Rent for a two-bedroom is $1,781 a month. Rents run from $1,480 for a studio up to $2,653 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 Cook County and Neighbouring Counties

McHenry: $1,781Kane: $1,781LakeCook County: $1,781Will: $1,781Lake: $1,781DuPage: $1,781$1,781$1,781$1,781$1,781$1,781$1,781
Unit sizeMonthly FMR (FY 2026)
Studio / Efficiency$1,480
1 Bedroom$1,581
2 Bedrooms$1,781
3 Bedrooms$2,294
4 Bedrooms$2,653

How does Cook County compare?

2-bedroom Fair Market Rent ranked against all counties in Illinois.

Higher rent than 99% of counties in Illinois · 2nd of 102

Cheapest: Lee County($916)
Priciest: Kendall County($2,050)
#CountyValue
1Kendall County$2,050
2Will County$1,781
2Lake County$1,781
2Cook County(you are here)$1,781
… 97 more …
59Macoupin County$916
59Mason County$916
59Lee County$916

More data for Cook 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 Cook County, IL for 2026?

In Cook County, Illinois, a two-bedroom has a Fair Market Rent of $1,781 a month for FY2026, and rents range from $1,480 for a studio to $2,653 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 Cook County, IL?

A two-bedroom in Cook County, Illinois has a Fair Market Rent of $1,781 a month under HUD's FY2026 figures.

When do Fair Market Rents in Cook 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 Cook County, IL?

Every ZIP code in Cook County has its own Fair Market Rent page — see the "ZIP codes in Cook County" list above. Each ZIP page lists studio through 4-bedroom FMRs for FY2026.

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Data from the U.S. Department of Housing and Urban Development, public domain. Effective FY2026 (Oct 1, 2025).