Illinois Snapshot
$1,244
Avg 2BR Rent in Illinois
$920
Cheapest 2BR Rent
1,396
ZIP Codes Tracked
Last updated May 1, 2026.
How Illinois compares
Illinois
$1,244
National Average
$1,457
Illinois's avg 2br fair market rent is 14.6% lower than the national average.
These are the 10 most affordable ZIP codes in Illinois, ranked by HUD 2-bedroom Fair Market Rent. Click any ZIP code for the full local snapshot.
FAQ
How many ZIP codes does Mubboo track in Illinois?
Mubboo tracks 1,396 ZIP codes in Illinois via the U.S. Census ZCTA basemap. Use the search box above to look up data for any specific ZIP.
How does Illinois's average 2BR Fair Market Rent compare nationally?
Illinois's average 2BR Fair Market Rent is lower the national average. See the "How Illinois compares" callout above for the precise side-by-side comparison.
What is Fair Market Rent (FMR) and how does HUD calculate it?
HUD sets FMR annually as the 40th percentile of gross rents (rent plus estimated utilities) for standard-quality units in each market area. Small Area FMR (SAFMR) extends this to the ZIP code level, which is what Mubboo displays for Illinois ZIPs above.
Where can I see the most affordable neighborhoods in Illinois?
The Top 10 table above ranks Illinois ZIPs by lowest 2-bedroom Fair Market Rent. Click any ZIP code for the full local snapshot, including home values, demographics, and surrounding ZIPs.
How fresh is this data?
Mubboo refreshes each data source on its native cadence — HUD Fair Market Rents annually (October), Tax Foundation tables annually, and federal datasets per their published schedules. Each page caches for 24 hours via ISR. See our methodology page for details.
Data sources: HUD Small Area Fair Market Rent, Zillow ZHVI, Census Building Permits Survey. Mubboo refreshes each source on its native cadence (HUD annually, Tax Foundation annually, etc.). See our full methodology →
More Illinois data: