Illiopolis, IL — Rental Investment Analysis

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Data: HUD FMR FY2024 + Zillow ZHVI April 2026 + Freddie Mac rates. Last updated June 2026.

Investment Summary

As of 2026, Illiopolis, IL offers a 7.2% cap rate with median home prices of $137,203 and 3-bedroom rents of $1,240/month.

Illiopolis offers solid returns for rental investors. With a median home price of $137,203, entry costs are low — making it accessible for beginning investors or those buying multiple properties. With 3-bedroom rents around $1,240/month, the 7.2% cap rate tells the story. Cash flow is modest at +$92/month — positive but tight. Rate increases or vacancies could flip it negative.

The 1% rule comes in at 0.90% — doesn't quite pass, but close enough to find individual deals that work. DSCR of 1.13 is tight — you'll pass most lender minimums but with little margin for error.

Bottom line: Buy here if you want reliable monthly income. Illiopolis is a cash flow market — don't expect rapid appreciation, but the checks come in every month.

Data sources: HUD Fair Market Rents (FY2024), Zillow Home Value Index (April 2026), Freddie Mac Primary Mortgage Market Survey.

Cap Rate

7.2%

Above average

Monthly Cash Flow

+$92

After all expenses

Price-to-Rent

9.2

Investor-friendly

DSCR

1.13

Tight

Key Metrics

Median Home Price
$137,203
Average Rent (3BR)
$1,240/mo
Price-to-Rent Ratio
9.2(good)
1% Rule
0.90%(fails — need 1%+)
Cash-on-Cash Return
3.5%
Vacancy Rate
8.0%

Market Strength

Unemployment Rate
5.1%(+0.8% vs national)
Rent Growth (YoY)
+2.9%(national avg)
Population Growth
-1.65% YoY

Assumptions Used

20% down, 6.52% rate, 30yr, 8% vacancy, 10% maintenance

Customize these numbers →

Property Tax Rate

2.08%

of assessed value (IL avg)

Median Income

$72,205

household (IL avg)

Rent-to-Income

20.6%

Affordable

Section 8 Max Rent

$1,240/mo

3BR voucher payment

IL Investor Climate

Landlord Friendly

5/10

State Income Tax

Has state tax

Property Tax

2.08% effective

Population Trend

-1.65% (3yr)

Best Zip Codes in Illiopolis for Investors

62539
Cap Rate: 7.2%Cash Flow: +$92/mo$137,203
62539
Cap Rate: 7.2%Cash Flow: +$92/mo$137,203

All Zip Codes in Illiopolis

ZipCap RateCash FlowHome PriceRent (3BR)DSCR
625397.2%+$92$137,203$1,240/mo1.13
625397.2%+$92$137,203$1,240/mo1.13