Average Rent in Illiopolis, IL (2026)
The average 1-bedroom rent in Illiopolis, IL is $830/month as of 2026, based on HUD data across 1 ZIP codes. Rents have changed +5.1% year over year. Rents range from $830 to $830.
Average Rent · 1-Bedroom
$830/mo
Source: HUD Fair Market Rent · 1 zip codes
Year-over-Year
↑ +5.1%
Source: HUD Fair Market Rent
Data through
The average 1-bedroom rent in Illiopolis, IL is $830/month according to HUD FY2026 Fair Market Rent data, covering 1 ZIP codes. Rents have increased 5.1% year-over-year. The average 1-bedroom rent in Illiopolis is 31% below the national average of $1,196/month.
Average rent in Illiopolis, IL ranges from $830 to $830 across 1 ZIP codes.
Based on HUD Fair Market Rent, a fair rent increase in Illiopolis, IL is approximately 5.1% for 2026. An increase above 5.1% exceeds the local market trend and may be worth negotiating.
Key Facts
Sources: HUD Fair Market Rent, HUD SAFMR, Rentcast. Updated October 2025.
Market trend data is limited for this area. The analysis below uses federal rent benchmarks.
How much is rent in Illiopolis, IL?
The average 1-bedroom rent in Illiopolis, IL is $830/month as of 2026, based on HUD data across 1 ZIP codes. Rents across Illiopolis are relatively uniform, clustering around $830/month. To afford this at the 30% rule, a household would need approximately $33,200/year.
Is rent going up in Illiopolis?
Rents in Illiopolis have increased 5.1% year over year based on HUD Fair Market Rent. This is a notably high rate of increase, indicating strong upward rent pressure in Illiopolis.
What is a fair rent increase in Illiopolis?
Based on HUD Fair Market Rent, a rent increase around 5.1% is in line with the Illiopolis market for 2026. An increase above that level exceeds the local trend and may be worth pushing back on. Check your specific increase with RenewalReply's free rent analysis tool.
What Should Rent Cost in Illiopolis?
Typical rent ranges based on HUD benchmarks and market data. In areas with limited listing data, ranges reflect federal benchmarks and may be wider than actual market conditions.
A studio in Illiopolis typically rents for $700 – $878.
Rents above $1,010 are in the top 25% for this area.
A 1-bedroom in Illiopolis typically rents for $830 – $1,026.
Rents above $1,180 are in the top 25% for this area.
A 2-bedroom in Illiopolis typically rents for $1,020 – $1,273.
Rents above $1,464 are in the top 25% for this area.
A 3-bedroom in Illiopolis typically rents for $1,380 – $1,704.
Rents above $1,960 are in the top 25% for this area.
A 4-bedroom in Illiopolis typically rents for $1,410 – $1,780.
Rents above $2,047 are in the top 25% for this area.
Federal Rent Benchmarks for Illiopolis
HUD Fair Market Rents are federal rent benchmarks published annually by HUD. They provide a consistent baseline for comparing rents across areas.
Studio
$700
HUD Fair Market Rent
1-Bedroom
$830
HUD Fair Market Rent
2-Bedroom
$1,020
HUD Fair Market Rent
3-Bedroom
$1,380
HUD Fair Market Rent
4-Bedroom
$1,410
HUD Fair Market Rent
Source: HUD SAFMR FY2026 · Updated
Zip Codes in Illiopolis
Click any zip code for detailed rent data including zip-specific SAFMR rates, nearby comparables, and a free rent increase check.
HUD publishes a single Fair Market Rent for the entire Springfield, IL MSA metro area. For zip-level variation, the tool uses additional data sources including real-time comparable listings and local market indices.
All zip codes in Illiopolis share the same county-level HUD Fair Market Rent ($830 for 1-BR). Click any zip for SAFMR-specific rates.
County-level FMR shown in city summary above.
How Does Illiopolis Compare?
Questions about rent in Illiopolis
What is the average 1-bedroom rent in Illiopolis, IL?
The average 1-bedroom fair market rent in Illiopolis, IL is $830/month as of 2026, based on HUD rent data across 1 ZIP codes in the city. This is 31% below the national average of $1,196/month. Rents range from $830 to $830 depending on ZIP code.
What is a fair rent increase in Illiopolis?
A rent increase up to about 5.1% is broadly in line with the recent market trend in Illiopolis. Increases above that level are above trend and should be tested against neighborhood-level pricing and comparable rentals. The current average 1-BR rent is $830/month.
Are rents going up or down in Illiopolis?
Rents in Illiopolis have increased 5.1% year over year based on HUD Fair Market Rent. This reflects local market conditions across 1 ZIP codes in the Springfield, IL MSA area.
How much do rents vary across Illiopolis?
1-bedroom rents across Illiopolis range from $830 to $830 on this page, a $0/month spread. This shows that rent can vary materially across ZIP codes within the same city, reflecting neighborhood-level differences in housing stock and demand.
Can my landlord raise my rent in Illiopolis?
We could not identify a city-specific rent cap for Illiopolis. Landlords must still follow applicable state and local notice rules before raising rent at lease renewal. Requirements vary — check your state's landlord-tenant statute for specifics on notice periods and timing.
How much should I spend on rent in Illiopolis?
The general guideline is to spend no more than 30% of your gross income on rent. With average 1-bedroom rent in Illiopolis at $830/month, a household would need approximately $33,200/year in gross income to afford this comfortably. Many renters in high-cost areas spend above this threshold — our free tool can help you assess whether your specific rent is fair for your ZIP code.
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Renter Tools
Browse Illiopolis ZIP Codes
See rent data by ZIP code in this city.
Renter Guides
- How to Negotiate a Rent Increase →
A data-driven guide with free email templates for pushing back on your landlord.
- Rent Increase Laws in Illinois →
See notice rules, caps, and tenant protections in Illinois.
- What Should I Pay for Rent? →
How to compare rent prices and know if you're getting a fair deal.
Market data updated monthly from public and third-party sources. Actual rents vary by unit, building, and lease terms. For informational purposes only — not legal or financial advice. See methodology →