Piatt County, IL Average Home Price (2026)
The average home price in Piatt County, Illinois is about $213,000 (the 2026 median across 10 ZIP codes, at ~$129/sq ft) — 8% more expensive than the Illinois median and 26% more affordable than the typical U.S. home.
How Piatt County compares
Piatt County is relatively affordable for housing nationally: its typical home costs $213,000 against $197,000 for Illinois and $289,000 for the U.S. Within the county, ZIP-level values run from about $147,000 to $375,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| Piatt County | $213,000 | $129 |
| Illinois | $197,000 | $134 |
| United States | $289,000 | $193 |
Piatt County home prices by ZIP code
The 10 most valuable ZIP codes in Piatt County (of 10 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 61884 White Heath | $375,000 | $134 | +76% |
| 61855 Milmine | $359,000 | $189 | +69% |
| 61856 Monticello | $289,000 | $171 | +36% |
| 61854 Mansfield | $243,000 | $199 | +14% |
| 61830 Cisco | $217,000 | $169 | +2% |
| 61813 Bement | $209,000 | $105 | -2% |
| 61839 De Land | $179,000 | $94 | -16% |
| 61929 Hammond | $167,000 | $78 | -22% |
| 61818 Cerro Gordo | $164,000 | $123 | -23% |
| 61913 Atwood | $147,000 | $104 | -31% |
Home value appreciation in Piatt County
Home prices in Piatt County have risen about 55% over the last 10 years (≈4.5% a year) and +68.0% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +1.2% — still rising. A home worth $213,000 today was worth roughly $137,154 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Illinois is +64.6% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for Piatt County
Run the numbers for Piatt County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in Piatt County
To buy the typical $213,000 home in Piatt County with 20% down, you need a household income of roughly $58,000 a year (about $1,350 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $69,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $10,700 | $1,680/mo | $72,000/yr |
| 10% (+PMI) | $21,300 | $1,610/mo | $69,000/yr |
| 20% | $42,600 | $1,350/mo | $58,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in Piatt County
At about $129 per square foot, here is roughly how much home different budgets get you in Piatt County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $150k | 1160 sq ft | below the local median — condos, smaller or older homes |
| $200k | 1550 sq ft | around the typical home here |
| $250k | 1940 sq ft | around the typical home here |
| $300k | 2330 sq ft | above the median — larger homes or the pricier ZIPs |
| $400k | 3100 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Illinois.
Estimate a specific home in Piatt County
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Piatt County home prices: frequently asked
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Browse all Illinois cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.