CapRateCity · Vol. II No. 32Established 2025775 US Markets Tracked
CapRateCity
An independent investor's notebook on US rental markets.
Midwest · Illinois · Population 148,655

Rockford, IL Cap Rate 3.46%

Rockford IL cap rate analysis — Woodward/Collins Aerospace, OSF/Mercyhealth, Northern IL University presence, Winnebago County tax.
By Jake McEwen·Updated ·Sources: Zillow ZHVI/ZORI, Census, county tax
Rockford, IL — Rockford, Illinois
Rockford, IL · Photo via Wikimedia Commons (CC-BY-SA / public domain)
Rockford, IL cap rate 3.46% — median price $210,000, median rent $1,200/mo, property tax 2.12% — rental property analysis card
Rockford, IL key rental property metrics at a glance — sources: Zillow ZHVI/ZORI, state/county tax records, U.S. Census.

Rockford is the third-largest metro in Illinois and a textbook post-industrial Rust Belt market — historically a major machine-tool and aerospace manufacturing center, now restructuring around aerospace + healthcare. The 3.46% cap rate at a $210,000 median price keeps the 0.57% rent-to-price ratio at or above the 1% rule in many submarkets — Rockford is a genuine cash-flow market. Population growth at -0.2%/yr is negative — Rockford has been losing population for decades.

Employment is anchored by the broader Rockford aerospace cluster (Woodward Inc. — the major aerospace control systems manufacturer headquartered here; Collins Aerospace operations; the broader machine-tool and precision-manufacturing supplier base extending throughout the metro), Mercyhealth and OSF Saint Anthony Medical Center (the dominant regional medical systems), the broader Rockford University and Rock Valley College, the broader Winnebago County government, the broader Chrysler/Stellantis Belvidere Assembly Plant nearby (the plant has been idled/restarted multiple times over the past decade — verify current operating status before underwriting any Belvidere-supplier-dependent thesis), and a meaningful logistics base tied to the I-90 corridor. Submarkets stratify cleanly: the historic Edgewater and Sinissippi areas are walkable urban-historic with strong appreciation; the broader Loves Park and Machesney Park areas north draw professional family rentals; central and parts of west Rockford offer significantly deeper-value workforce inventory with the operational complexity that comes with older industrial-era housing.

Illinois property tax at 2.12% is on the higher end nationally — Winnebago County effective rates often exceed 2.5%. IL state income tax is a flat ~4.95%. Insurance is reasonable but verify winter / freeze deductible structure. The structural advantages: Woodward + Collins Aerospace + Mercyhealth provides genuinely diversified industrial-and-healthcare employment for a Rust Belt metro this size; genuine cash-flow math at the median; cost basis is among the lowest of any Illinois metro. The structural risks: population trajectory has been declining for decades; IL property tax structure is heavy; Belvidere plant employment cycles affect supplier ecosystem; older industrial-era housing requires honest capex assumptions; per-block variance is significant. For local operators with discipline around IL tax structure, Rockford produces durable cash-flow math at one of the lowest IL cost bases.

Market data powered by Zillow Home Value Index (ZHVI) and Zillow Observed Rent Index (ZORI) · Updated Feb 2026

Challenging for pure cash flow
Based on $210,000 median price and $1,200/mo median rent
Est. Cap Rate
3.46%
1% Rule
0.57%
Fails
GRM
14.6x
Price / Income
4.9x

Market Data

Median Home Price$210,000
Median Monthly Rent$1,200
Property Tax Rate2.12%
Population148,655
Population Growth-0.2% / yr
Median Household Income$42,800
Vacancy Rate7%
Annual Appreciation1.8%

2026 Market Update: Rockford

Rockford's 0.6% rent-to-price ratio is well below the 1% rule. At median prices of $210,000, the $1,200/mo rent produces only $605/mo in NOI. Investors here need to target below-median properties or pursue value-add strategies to make the numbers work.

At current rates, a 20% down conventional loan ($42K at 7%) would result in approximately $-512/mo cash flow — negative at median prices. Larger down payments, seller financing, or buying 15–25% below median are strategies to turn the numbers positive.

Property taxes consume 31% of gross rent here — one of the highest ratios in our dataset. This significantly compresses margins and makes Rockford a market where tax-conscious underwriting is essential. Every deal should be stress-tested with potential assessment increases.

Deal Modeling & Scenarios for Rockford

All figures below are computed from Rockford's real market medians. Use them as a baseline; override with property-specific numbers in the calculators.

Property Tax Bill in Real Dollars

Annual$4,452
Monthly$371
% of Gross Rent30.9%

At 2.12% effective rate on the $210,000 median price, the annual tax bill is $4,452 — that's very high (top 15% of US markets) (+100% vs the national average of ~1.06%). Verify the actual assessed value before purchase; sale-triggered reassessments can push the bill higher than the seller's current statement.

5-Year Cap Rate Trajectory

If Rockford continues appreciating at 1.8%/yr while rents grow at a conservative 3%/yr, cap rate holds roughly steady as price growth outpaces rent. Year-by-year projection at the median:

YearEst. PriceEst. Rent/MoCap Rate
Today$210K$1,2003.5%
Year 1$214K$1,2363.5%
Year 2$218K$1,2733.5%
Year 3$222K$1,3113.6%
Year 4$226K$1,3513.6%
Year 5$230K$1,3913.7%

Three Financing Scenarios

Same median-priced Rockford property — different capital structures. All-cash maximizes cap rate. Leverage trades cash flow for higher cash-on-cash return when the spread between cap rate and borrowing cost is positive.

ScenarioCash InvestedMonthly Cash FlowAnnual CFCash-on-Cash
All cash$210K$605$7,2603.5%
20% down conventional @ 7%$48K$-512$-6,146-12.7%
25% down DSCR @ 8.5%$61K$-606$-7,274-11.9%

Three Price Tiers: Below, At, and Above the Median

Properties don't always trade at the median. Lower-priced units typically offer higher cap rates but harder operations; higher-priced properties tend to compress cap rates while attracting better tenants. All-cash assumptions below:

TierPriceRent/MoNOI/YrCap RateMonthly CF
Below median (~75% price)$158K$1,020$5,4563.5%$455
At median$210K$1,200$5,7962.8%$483
Above median (~125% price)$263K$1,380$6,1362.3%$511

Total Return Over a 5-Year Hold

Cap rate is just one piece. Real estate returns come from four sources: cash flow, appreciation, principal paydown, and tax benefits. Assuming 20% down conventional financing at 7% and a 5-year hold at Rockford's historical appreciation rate of 1.8%:

Cash Flow (5yr)$-30,732
Appreciation$20K
Principal Paydown$13K
Total Return$1K

On a $42K down payment, that's a 3.5% total ROI over 5 years (not annualized). Tax benefits from depreciation are additional and depend on your personal tax bracket.

Risk Flags Specific to Rockford

Automated checks against the underlying data — surface only the risks that actually apply to Rockford, not generic boilerplate:

Watch closelyPopulation is declining at -0.2% per year. Tenant demand erodes over multi-year holds in shrinking metros — underwrite with conservative rent growth (0–1%) and elevated vacancy (8–10%).
Worth notingVacancy at 7% runs slightly above national average. Conservative underwriting (7% vacancy) recommended.
Watch closelyProperty tax rate of 2.12% is among the highest in the country. Taxes consume a meaningful share of gross rent — see the tax breakdown above. Stress-test for assessment increases.
Watch closelyRent-to-price ratio of 0.57% is well below the 1% rule. Achieving positive cash flow at median prices requires below-market purchases, larger down payments, or value-add strategies.

Cap Rate Calculator — Rockford

Pre-filled with Rockford medians. Adjust to match a specific property.

Property Details
$
$
3–8% typical
%
Monthly Expenses
2.12% rate
$
$
8–10% of rent
$
8–12% of rent
$
Cap Rate
2.62%Low
Net Operating Income ÷ Purchase Price
NOI / Year
$5,508
net operating income
Gross Rent Multiplier
14.6x
Good (<15)
1% Rule
0.57%
✗ Fails
Monthly Cash Flow
$459
before debt service
Annual Breakdown
Gross Rental Income$14,400
Less Vacancy−$1,008
Effective Income$13,392
Less Operating Expenses−$7,884
Net Operating Income$5,508
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Cash-on-Cash Return — Rockford

Factor in financing to see your actual return on invested capital in Rockford.

$
$52,500
%
%
years
$
taxes + ins + maint + mgmt
$
$
Cash-on-Cash Return
-6.75%Weak
Annual Cash Flow ÷ Total Cash Invested
Total Cash Invested
$58,800
$52,500 down + $6,300 closing
Monthly Mortgage
$1,027
on $158K loan
Monthly Cash Flow
$-331
after all expenses
Annual Cash Flow
$-3,969
before taxes
Cash Flow Breakdown
Monthly Rent$1,200
Less Expenses−$504
Less Mortgage−$1,027
Monthly Cash Flow$-331

Is Rockford a Good Place to Invest in Rental Property?

Rockford, IL has a population of 148,655 and has been growing at -0.2% annually — roughly in line with national trends, meaning demand is stable but not exceptional. The median home price of $210,000 paired with median rents of $1,200/mo produces an estimated cap rate of 3.46%.

Property taxes at 2.12% are notably high and represent a significant drag on cash flow — model this expense carefully, as it can make or break a deal. The vacancy rate of 7% runs above average, which increases cash flow volatility and warrants conservative underwriting.

At a price-to-income ratio of 4.9x, homes cost about 4.9 times the local median income of $42,800. This moderate ratio indicates a balanced rent-vs-buy market. Home values have appreciated at roughly 1.8% annually. Steady appreciation means total returns will be primarily cash flow-driven — the more sustainable model for long-term wealth building.

Bottom line: At current median prices, Rockford is challenging for pure cash flow investing. Consider BRRRR strategies with below-market purchases, or look at neighboring metros with stronger price-to-rent ratios.

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