Piatt County

IllinoisPopulation: 16,698
69
/100
Buy
#169 of 1,000 counties
#61 in Illinois (102 counties)
Analysis by RentalCalcs ResearchIndependent data + algorithm-driven scoring
Updated October 16, 2026Sources: Zillow ZHVI, Zillow ZORI, US Census ACS, Tax Foundation

Market Snapshot

$229,717
Median Home Price
0% above national median
$13,880/mo
Est. Rent
Based on regional data
6.04%
Rent-to-Price Ratio
Estimated from price data
+$0
Est. Monthly Cash Flow
With 20% down at 6.9% rate

Piatt market analysis

Piatt County sits at the difficult end of the cash-flow spectrum. The data shows a cash flow score of zero and a cap rate of zero, which means the numbers as modeled do not produce a working cash-flow deal at the current median price of $229,717 and a 6.85% mortgage rate. The appreciation score of 75 tells a more interesting story: year-over-year home price growth of 2.49% and an affordability index of 81 suggest a market that is still accessible relative to broader Illinois pricing, with some upward price momentum. This is not a market where you buy a house, rent it, and pocket the spread. It is a market where the thesis, if there is one, rests on price appreciation and holding cost management over time.

The investor profile that fits Piatt is narrow. A pure cash-flow buyer should look elsewhere, because the modeled returns show no excess after debt service and expenses at the median price point. An appreciation buyer willing to accept neutral or slightly negative cash flow in exchange for participation in a market priced at $229,717 with a 78th national percentile ranking and 2.49% annual price growth might find it tolerable, but the margin for error is thin. A value-add operator who can acquire below median, force appreciation through improvements, and then refinance or sell into a market with an affordability index of 81 has the most logical path here, since entry prices are low enough relative to many Illinois markets to leave room for manufactured equity.

Piatt County is a small county of 16,698 people, and the data does not include named economic anchors or employer-level context. That absence is itself a signal worth noting. A county this size without documented institutional employers or demand drivers carries concentration risk by default: tenant demand is thin relative to a metro market, and any softening in local employment can translate quickly into vacancy pressure.

The carry cost picture is the most concrete risk in this data set. The state-average effective property tax rate for Illinois is 2.27%, which the Tax Foundation flags as very high. At $229,717 in purchase price, that rate produces an estimated $5,215 in annual property taxes. Add estimated insurance of $620 per year and the combined monthly tax and insurance burden is $486. That figure deserves its own line on your underwrite before you touch debt service, maintenance, or management. At 2.27%, Illinois property taxes are not a rounding error; they are a structural drag that materially compresses net operating income at any rent level. The honest caveat here, as noted in the source data, is that this is a state-average effective rate and actual Piatt County or township-level rates may differ, so pulling the precise parcel-level tax bill before committing capital is non-negotiable.

The risks in Piatt County are straightforward and data-supported. Population of 16,698 means the rental pool is small, turnover events hit harder, and days-on-market for vacant units likely run longer than in a metro. The overall score of 69 and a stability score of 50 indicate a middling conviction market, not a high-conviction one. There are no regulatory red flags in the data, but there are also no positive demand catalysts documented, which in a market this size functions as a yellow flag rather than a green light.

Against its neighbors, Piatt's $229,717 median price is substantially cheaper than Will County ($361,064), Lake County ($374,727), Cook County ($314,517), and Kane County ($363,906), with only Adams County ($174,680) coming in lower. But lower price alone is not a reason to buy. Will and Cook counties, priced much higher, carry rent-to-price ratios of 0.0705 and 0.0806 respectively, meaning those markets actually generate more rent per dollar of purchase price despite costing more in absolute terms. An investor who can operate in Cook County at an 0.0806 gross rent multiplier is likely generating real cash flow that Piatt cannot match at its current modeled cap rate of zero. The case for choosing Piatt over these neighbors would have to rest on a specific value-add deal priced well below median, where the tax drag can be absorbed by forced equity or above-market rents, not on the county's market-level averages.

Last analyzed October 16, 2026. Based on the latest available Zillow and Census data for Piatt County.

Price History

Median Home Price

Median Rent

Historical data from Zillow ZHVI/ZORI

Score Breakdown

Overall Investment Score
69/100
69
Cash Flow(30%)
0/100

Rent data not available for cash flow calculation.

Appreciation(25%)
75/100

Based on 2.5% YoY price growth. Moderate growth (3-8%) scores highest.

Stability(25%)
50/100

Population data not available.

Affordability(20%)
81/100

Based on price relative to estimated local incomes.

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

  • +Affordable relative to local incomes

Challenges

  • -Negative leverage (cap rate 0.0% < mortgage rate 6.9%)
  • -Limited rent data (estimates used)

Economic Indicators

Population
16,698
Median Income
—
Data pending
Unemployment Rate
—
Data pending
Price-to-Income
—
Data pending

Who this market fits

Skip if
  • −You can't tolerate negative leverage (cap rate below mortgage rate today)

Compare to Nearby Counties

CountyVerdict
CookIL
70$314,517$2,1138.06%BuyView
CurrentPiattIL
69$229,717Est. pending—Buy
WillIL
69$361,064$2,1217.05%BuyView
LakeIL
69$374,727$2,0836.67%BuyView
AdamsIL
68$174,680$9816.74%BuyView
KaneIL
68$363,906$2,0146.64%BuyView

Section 8 in Piatt County: payment standards by ZIP, PHA waitlist status, and voucher counts are on VoucherMatch, the same HUD dataset with the tenant demand side attached.

The Bottom Line

BuyPiatt offers solid investment potential with roughly break-even cash flow at typical financing.

Piatt County in Illinois scores 69/100, ranking #169 of 1,000 US counties (top 22%). At 20% down and current rates, a median-priced rental roughly breaks even on cash flow. The deal works on appreciation or with better terms, not on month-one cash flow.

Monthly Cash Flow
+$0/mo
Cap Rate
0.0%
Cash-on-Cash
0.0%

Related markets

Frequently asked questions

The median home price in Piatt County is $229,717, making it significantly more affordable than neighboring counties like Will County ($361,064) and Lake County ($374,727).

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