Real Estate Investing in St. Clair, Illinois

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

6 ZIP codes • Population: 25,685

Should you buy in St. Clair County, IL? Our answer, based on the numbers below.

🏠 For Homebuyers
GOOD FIT
Grade B (74/100)

Solid choice β€” stable market with a reasonable entry point and good rental backup if you ever need to move.

πŸ“ˆ For Investors
GOOD
3.5 / 5 (79/100)

A cash-flow market β€” rent-to-price math works from day one, though value growth is modest. Great for income-focused investors.

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

What’s happening in St. Clair County, IL?

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3.5/ 5

Investability

County-wide average

2.0/ 5

Appreciation

2.2% 5yr CAGR

5.0/ 5

Landlord Climate

Regulatory friendliness

Avg Investability β˜…β˜…β˜…β˜…β˜…
Avg Home Value $43,498
Avg Monthly Rent $1,201
ZIP Codes 6

Investing in St. Clair County Real Estate

Across St. Clair County's 6 ZIPs, the picture is muted β€” soft rents, slow appreciation, and demographic headwinds that don't obviously reverse in the medium term.

St. Clair is the kind of county where the cap rate on paper and the cap rate realized tend to diverge. unambiguously out-of-state capital should be especially careful with carry-in assumptions.

St. Clair County's population trends and income levels suggest a region where affordability is strained, constraining how aggressively rents can rise without hurting collections.

A great house in the wrong ZIP is still a bad deal — screen every market by cash flow & cap rate.
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Landlord Ground Truth

Real numbers from people who own or manage rentals in St. Clair County, IL. Anonymous, moderated, never written by AI.

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Avg Home Value
$43,498
Avg Monthly Rent
$1,201
1% Rule
βœ“ Passes
Landlord Friendly (IL)
β˜…β˜…β˜…β˜…β˜…

πŸŽ“ Colleges & Universities in St. Clair County

1 College 7,955 Students 3,182 Off-Campus Renters
C
Southwestern Illinois College
2-Year Public Β· 7,955 students
πŸ“ ~3,182 students rent off-campus

Investor Insight: With 3,182 students living off-campus, St. Clair County has substantial rental demand from the college population β€” typically stable, lease-renewing tenants.

Cities in St. Clair County

ZIP Codes in St. Clair County, IL

Screen every market in St. Clair County

Filter this county’s ZIPs by cap rate, vacancy, appreciation and 30+ more criteria, and export your shortlist to CSV — with the Investor plan ($19/mo). Add weekly alerts when these markets move with Investor Pro+.

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Frequently Asked Questions About St. Clair County

Is vacancy a concern in, IL?

Occupancy in, IL runs reliable with elevated vacancy. Well-priced units at $1,201/mo lease on reasonable timelines.

How strong are rents in, IL?

Rent in, IL is around $1,201/mo. The resulting rent-to-value relationship with $43K pricing is reasonable for most investor models.

How much should I expect to pay for a home in, IL?

, IL median home values land near $43K. That is reasonable territory for investors looking at $1,201/mo-per-month rentals.

How do landlord-tenant laws work in, IL?

Landlord-friendliness in, IL is tenant-protective. Eviction timelines and lease enforcement are considered reasonable by most property managers.

Community Ratings

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