Illinois Income Limits for Affordable Housing: What Renters Need to Know

Figuring out if you qualify for affordable housing programs in Illinois can feel overwhelming, especially when each program has its own income limits and documentation requirements. Understanding these rules helps you plan your housing needs and access rental assistance if you're struggling with high rent or potential eviction. Below, you'll find a clear guide to income limits, who sets them, and how they impact your eligibility for Illinois affordable housing.

Understanding Income Limits for Illinois Affordable Housing

Income limits are maximum earnings thresholds set by the U.S. Department of Housing and Urban Development (HUD) and enforced by state or local agencies. If your household income falls below these limits, you may qualify for affordable rental housing or rental assistance. Income eligibility ensures these programs serve renters with the greatest financial need.

Who Sets Income Limits in Illinois?

  • Federal Levels: HUD updates income limits annually for each county and metropolitan area.
  • State & Local Enforcement: Agencies like the Illinois Housing Development Authority (IHDA) and local housing authorities apply these limits to programs in your area.

Limits are based on Area Median Income (AMI) — the midpoint of all incomes in a region. HUD categorizes them as:

  • Extremely Low Income: 30% of AMI
  • Very Low Income: 50% of AMI
  • Low Income: 80% of AMI

To see precise AMI limits for your county or city, use HUD’s current income limit documentation system.

How Income Limits Affect Affordable Housing in Illinois

Most affordable housing programs use these limits to determine eligibility:

Each program will check household income and size. For example, a two-person household in Chicago must earn less than $46,050 (2024 HUD guideline) to qualify as "very low income"1.

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How to Verify Your Eligibility

Most agencies require you to provide proof of income and complete an application form. Common steps include:

  • Gather pay stubs, tax returns, Social Security statements, or other income proof.
  • Check your area’s AMI using HUD's Illinois tool.
  • Contact your local housing authority or IHDA for program-specific forms.
Tip: Even if you think you might be slightly above the income limit, consider applying—some programs adjust limits for elderly, disabled, or special circumstances.

Key Forms Needed for Illinois Affordable Housing Programs

  • Housing Choice Voucher Program (Section 8) Application
    • Form: Section 8 Housing Choice Voucher Application (varies by local housing authority)
    • When/How Used: Use this form to apply for federally subsidized rent through your local housing authority. You’ll list household size and all sources of income.
    • Find your local housing authority’s Section 8 application
  • IHDA Rental Assistance Application
    • Form: IHDA Rental Assistance Application (program-specific, check their website)
    • When/How Used: For state-funded programs, submit this application online through the Illinois Housing Development Authority. Includes income documentation.
    • IHDA Rental Assistance Programs

Which Tribunal Handles Illinois Rental Disputes?

Illinois rental and eviction disputes are handled by local Circuit Courts. You can find your local tribunal through the Illinois Circuit Courts directory.

Relevant Tenancy Laws in Illinois

Illinois renters' rights are covered under the Illinois Residential Landlord and Tenant Act (765 ILCS 705)2. For subsidized housing, additional federal rules may apply via HUD.

Frequently Asked Questions (FAQ) about Income Limits and Affordable Housing in Illinois

  1. How do I check if I meet income limits for Illinois affordable housing?
    Visit the HUD Illinois Income Limits lookup tool and compare your household size and annual income to the current thresholds for your county.
  2. Can I apply if my income is slightly above the limit?
    Some programs allow flexibility, especially for seniors or people with disabilities. Always check with your local housing authority or IHDA before giving up.
  3. What documents do I need for an affordable housing application in Illinois?
    You'll typically need recent pay stubs, tax returns, proof of identity, and Social Security numbers for all household members.
  4. Where do I submit my affordable housing application?
    Applications are usually submitted to your local housing authority for Section 8 or directly online through the Illinois Housing Development Authority for state programs.
  5. What happens if my income changes after I move into affordable housing?
    You must report any income changes immediately. Depending on the increase or decrease, your rent or eligibility may be adjusted by the local agency.

Conclusion: What Illinois Renters Should Remember

  • Income limits determine your eligibility for affordable housing programs and update yearly by region.
  • The Illinois Housing Development Authority and local housing authorities are your main resources for applications and eligibility questions.
  • Always review official government guidelines and keep income documentation ready before applying.

Knowing where and how to access up-to-date official information ensures you get the support you need, whether you’re facing rising rent costs or seeking stable, affordable housing.

Need Help? Resources for Renters


  1. 2024 HUD Income Limits for Illinois
  2. Illinois Residential Landlord and Tenant Act (765 ILCS 705)
Bob Jones
Bob Jones

Editor & Researcher, Renter Rights USA

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for tenants everywhere.