Market Overview
Grundy County Farmland Values
Grundy County farmland is currently trading in the $8,400 to $10,900 per acre range for quality row crop ground, based on 2024–2025 Illinois market data and UIUC Extension county averages. Grundy County is excellent flat farmland in the Chicago metro fringe with top PI scores and strong investor demand.
Cash rent rates in Grundy County average approximately $240 per acre per year for tillable ground, with high PI-rated parcels commanding stronger rates. Illinois uses the Productivity Index (PI) soil rating system, and Grundy County's averages reflect its regional soil quality and market conditions.
For a personalized estimate based on your specific acreage, soil score, and tillable percentage, use our free Grundy County estimator below.
Grundy County Value Ranges — 2025
Based on USDA NASS and UIUC Extension county-level data. Adjusted for PI productivity ratings.
$13,700
Conservative/acre
$15,600
Mid estimate/acre
$17,800
High estimate/acre
Grundy County Cash Rent Estimates — 2025
Estimated annual gross cash rent by parcel size. Tillable acres basis.
| Parcel Size | Est. Cash Rent/Acre | Est. Annual Gross |
|---|---|---|
| 80 acres | $437/ac | $34,960/yr |
| 160 acres | $437/ac | $69,920/yr |
| 320 acres | $437/ac | $139,840/yr |
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