Real Estate Investing in Illiopolis, Illinois

Everything the listing leaves out — vacancy, rent trend, cap rate, landlord climate. All free.

1 ZIP codes • Population: 1,342 • Sangamon County

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Should you buy in Illiopolis, IL? Our answer, based on the numbers below.

🏠 For Homebuyers
GOOD FIT
Grade B (83/100)

Solid choice — values are growing steadily and the market is stable enough to buy with confidence.

📈 For Investors
MIXED
3.0 / 5 (52/100)

A middle-of-the-road market. Workable, but the best opportunities may be nearby ZIPs rather than this one.

⚠️ Risks to Know
1 flag
  • Elevated vacancy: 8.8% vacancy may signal weakening demand.

What’s happening in Illiopolis, IL?

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3.0/ 5

Investability

Citywide average

4.0/ 5

Appreciation

7.2% 5yr CAGR

5.0/ 5

Landlord Climate

Regulatory friendliness

🏦 30-yr Fixed Rate: 6.76% as of Sep 10 Source: Freddie Mac PMMS
Avg Investability
Avg Home Value $147,833
Avg Monthly Rent $918
ZIP Codes 1

Investing in Illiopolis Real Estate

Illiopolis in Illinois is one of the markets where the numbers warn before they reward — 1 ZIPs, a sizable population, and a rating that reflects material risk.

Illiopolis is the kind of market where the cap rate on paper and the cap rate realized tend to diverge. plainly out-of-state investors should be especially careful with the assumptions they carry in.

Rents in Illiopolis at $918/mo have struggled to keep pace with cost increases, and vacancy has risen in pockets — a dynamic that compresses realized returns well below headline cap rates.

Demographics in Illiopolis show real pressure — median income of $N/AK is subdued relative to rents, and the 0% renter share includes significant cost-burdened households.

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Best ZIP codes in Springfield, IL

Illiopolis is part of this metro. Every ZIP in it, ranked. Free.

Cash Flow → Appreciation → Affordable →

Landlord Ground Truth

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Avg Home Value
$147,833
Avg Monthly Rent
$918
1% Rule
✗ Below
Landlord Friendly (IL)

📉 Market Crash Risk Index

Based on Springfield, IL metro

0/10
Low Risk
Price YoY
0/3
N/A
Rent YoY
0/2
N/A
Below List
0/3
35%
Days Pending
0/2
21 days

View all metro crash risk rankings →

⚖️ Balanced Market — Springfield, IL metro
21
Days to pending
10.8%
Listings with price cuts
0.0%
Sale-to-list ratio
📅 Data as of August 29, 2026 — updated weekly

ZIP Codes in Illiopolis, IL

Screen every ZIP in Illiopolis

Filter Illiopolis’s ZIPs by cap rate, vacancy, appreciation and 30+ more criteria, and export your shortlist to CSV — with the Investor plan ($19/mo).

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Frequently Asked Questions About Illiopolis, IL

Is vacancy a concern in Illiopolis, IL?

Occupancy in Illiopolis, IL runs stable with elevated vacancy. Well-priced units at $918/mo lease on reasonable timelines.

Is the tenant base reliable in Illiopolis, IL?

Illiopolis, IL offers a consistent renter base at the $918/mo rent level. Tenant turnover is reasonable for well-managed properties.

What do rentals go for in Illiopolis, IL?

Rents in Illiopolis, IL run near $918/mo. Compared with median home prices of $148K that produces solid gross yields for typical rentals.

What approach is best for Illiopolis, IL real estate?

For Illiopolis, IL, careful cash-flow rentals with hands-on management is the standard investor playbook. The market structure makes it a reasonable default approach.

Should investors consider Illiopolis, IL?

Yes - Illiopolis, IL a 3.0/5 investability score. With $148K home prices against $918/mo monthly rent, the market delivers a reasonable entry point for new investors.

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