Oswego, IL — Rental Investment Analysis

🟡MODERATEaverage returns

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

Investment Summary

As of 2026, rental properties in Oswego, IL yield a 4.4% cap rate. Median home price is $375,791 with 3-bedroom rents at $2,240/month.

Oswego is a moderate market — workable but not exceptional for cash flow. Median home price sits at $375,791 — moderate by national standards, requiring a solid down payment but not out of reach. With 3-bedroom rents around $2,240/month, the 4.4% cap rate tells the story. Cash flow is deeply negative at -$696/month with standard assumptions. This market requires appreciation to justify the investment.

At 0.62% on the 1% rule, rents are low relative to purchase prices. You'd need a significant discount from asking price to make the numbers work. DSCR of 0.68 is below 1.0, meaning rental income doesn't cover the mortgage. DSCR lenders will likely decline this market at current prices.

Bottom line: Consider Oswego only if you believe in long-term appreciation. The numbers don't support cash flow at today's prices and rates.

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

Cap Rate

4.4%

Below average

Monthly Cash Flow

-$696

After all expenses

Price-to-Rent

14.5

Investor-friendly

DSCR

0.68

Fails

Key Metrics

Median Home Price
$375,791
Average Rent (3BR)
$2,240/mo
Price-to-Rent Ratio
14.5(good)
1% Rule
0.62%(fails — need 1%+)
Cash-on-Cash Return
-8.9%
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

37.2%

Stretched

Section 8 Max Rent

$2,240/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 Oswego for Investors

60538
Cap Rate: 5.9%Cash Flow: -$141/mo$331,177
60538
Cap Rate: 5.9%Cash Flow: -$141/mo$331,177
60543
Cap Rate: 2.8%Cash Flow: -$1,251/mo$420,405

All Zip Codes in Oswego

ZipCap RateCash FlowHome PriceRent (3BR)DSCR
605385.9%-$141$331,177$2,550/mo0.92
605385.9%-$141$331,177$2,550/mo0.92
605432.8%-$1,251$420,405$1,930/mo0.44
605432.8%-$1,251$420,405$1,930/mo0.44