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Market MapIllinoisRock Island

Rock Island County

IllinoisPopulation: 143,819Davenport, IA Metro
79
/100
Strong Buy
#0 of 0 counties
#14 in Illinois (102 counties)
Analysis by RentalCalcs Research·Independent data + algorithm-driven scoring
Updated May 11, 2026Sources: Zillow ZHVI, Zillow ZORI, US Census ACS, Tax Foundation

Market Snapshot

$151,236
Median Home Price
0% below national median
$1,067/mo
Median Rent
0% below national median
8.46%
Rent-to-Price Ratio
Top 50% nationally
-$99
Est. Monthly Cash Flow
With 20% down at 6.9% rate

Scenario comparison

Same $1,067/mo rent assumption, 20% down, 6.85% rate. What changes is the acquisition price.
ScenarioPurchase priceMonthly cash flowCap rateCash-on-cash
75% of median
value-add or distressed
$113,427+$99/mo7.3%+4.5%
Median
typical MLS deal
$151,236-$99/mo5.5%-3.4%
125% of median
newer / premium
$189,046-$297/mo4.4%-8.2%

Price History

Historical data from Zillow ZHVI/ZORI

Quick Investment Calculator

20%
5%50%100%

Purchase

Purchase Price$151,236
Down Payment (20%)$30,247
Loan Amount$120,989
Interest Rate6.85%

Monthly Cash Flow

Gross Rent+$1,067
Monthly P&I-$793
Est. Expenses (35%)-$373
Net Cash Flow-$99/mo
5.5%
Cap Rate (all cash)
-3.4%
Cash-on-Cash Return
8.46%
Rent-to-Price Ratio
Negative leverage: At 6.85% rates, borrowing costs exceed the 5.5% cap rate. All-cash buyers may see better returns.

* Based on county median values. 35% expenses include taxes, insurance, maintenance, vacancy, and property management. Actual results vary by property.

Run Full AnalysisTry House Hack Strategy

Score Breakdown

Overall Investment Score
79/100
79
Cash Flow(30%)
85/100

Based on 8.46% rent-to-price ratio. Higher ratios indicate stronger cash flow potential.

Appreciation(25%)
89/100

Based on 5.9% YoY price growth. Moderate growth (3-8%) scores highest.

Stability(25%)
50/100

Population data not available.

Affordability(20%)
95/100

Price-to-income ratio of 2.3x. Lower ratios indicate more affordable markets.

Scores are calculated using real Zillow home value and rent data, Census population data, and economic indicators. The weighted average produces the overall investment score. Markets with missing rent data use estimated values based on regional averages.

Investment Outlook

Strengths

  • +Strong price appreciation (+5.9% YoY)
  • +Affordable relative to local incomes
  • +Complete rent data available

Challenges

  • -Negative leverage (cap rate 5.5% < mortgage rate 6.9%)

Economic Indicators

Population
143,819
Median Income
$64,435
vs $0 national est.
Unemployment Rate
—
Data pending
Price-to-Income
2.3x
Very affordable

Who this market fits

Best for
  • +Appreciation buyers: YoY growth is meaningfully above the long-run average
  • +Value-add operators who can buy below median and force rent up
Skip if
  • −You can't tolerate negative leverage (cap rate below mortgage rate today)

Compare to Nearby Counties

CountyVerdict
RichlandIL
80$132,577Est. pending—Strong BuyView
CurrentRock IslandIL
79$151,236$1,0678.46%Strong Buy
EdwardsIL
79$124,765Est. pending—Strong BuyView
PeoriaIL
79$154,382$1,1689.08%Strong BuyView
IroquoisIL
78$149,561Est. pending—Strong BuyView
BureauIL
78$143,471Est. pending—Strong BuyView

The Bottom Line

Strong BuyRock Island is a strong buy market with excellent fundamentals for buy-and-hold investors.

Rock Island County in Illinois scores 79/100, ranking #0 of 0 US counties (top 50%). At 20% down and current rates, a median-priced rental roughly breaks even on cash flow (8.46% gross rent-to-price ratio). The deal works on appreciation or with better terms, not on month-one cash flow.

Monthly Cash Flow
$-99/mo
Cap Rate
5.5%
Cash-on-Cash
-3.4%

Related markets

Markets like Rock Island with stronger cash flow

  • Peoria County for cash-flow rentals

Cheaper alternatives to Rock Island

  • Edwards County, lower entry price
  • Richland County, lower entry price
  • Bureau County, lower entry price

Head-to-head comparisons

  • Rock Island vs Edwards for rentals
  • Rock Island vs Peoria for rentals
  • Rock Island vs Richland for rentals
All counties in Illinois →

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