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HUD Open Data · FY 2026

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

$916/mo 1.8%vs 2025 ($900)

Last updated: FY2026, effective October 1, 2025

In Johnson County, Illinois, the FY2026 Fair Market Rent for a two-bedroom is $916 a month. Rents run from $632 for a studio up to $1,360 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 Johnson County and Neighbouring Counties

Massac: $969Union: $916Pope: $1,087Pulaski: $916Williamson: $1,037Johnson County: $916$969$916$1,087$916$1,037$916
Unit sizeMonthly FMR (FY 2026)
Studio / Efficiency$632
1 Bedroom$735
2 Bedrooms$916
3 Bedrooms$1,159
4 Bedrooms$1,360

How does Johnson County compare?

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

Higher rent than 43% of counties in Illinois · 59th of 102

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

More data for Johnson County, Illinois

No nearby counties with Fair Market Rent data are available in our database.

ZIP codes in Johnson County

The FMR figures above apply to all 9 ZIP codes in Johnson County.

Frequently asked questions

What is the Fair Market Rent in Johnson County, IL for 2026?

In Johnson County, Illinois, a two-bedroom has a Fair Market Rent of $916 a month for FY2026, and rents range from $632 for a studio to $1,360 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 Johnson County, IL?

A two-bedroom in Johnson County, Illinois has a Fair Market Rent of $916 a month under HUD's FY2026 figures.

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

Every ZIP code in Johnson County has its own Fair Market Rent page — see the "ZIP codes in Johnson 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).