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Warren County, Illinois property search

Search an address or an owner in Warren County, Illinois with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 14,192 lots are mapped here, covering 346,339 acres. 1,742 of them are held by institutions rather than by individuals.

Farmers and landowners in Warren County received $13.5 million in federal farm program payments in 2025, paid to 948 recipients. 10,697 acres of agricultural land here are disclosed as foreign-held, the most by owners from Canada. Crop insurance paid $1.2 million in claims for the 2024 crop year.

14,192
Lots mapped
346,339
Acres
1,742
Institutional

Land use in Warren County

Parcels and acreage by land use in Warren County, Illinois
Land useParcelsAcres
Residential Improved5,9363,888
Farmland without Improvements3,755217,643
Farm with Improvements1,634118,028
Residential Land / Lots1,192876
Exempt7633,279
Commercial7321,549
Commercial Offices417
Wooded Acreage Transition31943
Commercial Apartments – 6 Units or More2225
Wind Turbines158
Industrial346
Conservation Stewardship247

Largest landowners in Warren County

Largest landowners by acreage in Warren County, Illinois
OwnerParcelsAcres
PATTEE FOUNDATION203,022
JENKS FAMILY FARMS LLLP241,936
LECLAIRE INVESTMENT INC181,464
GEHRKE FARMS LP141,401
WAMBLE MOUNTAIN FARMS LLC131,327
MIDWEST BANK OF WESTERN IL TR121,308
4G FARMS LLC161,101
NORTHERN AGRICULTURE II LLC151,028
GUNTER FARMS LLC12997
YOUNGQUIST LAND HOLDINGS LLC14949

Companies, trusts and public agencies, ranked by acres held under the name on the assessor's file. Private individuals are not ranked. Largest landowners in Illinois

Federal farm payments in Warren County

$13.5M
Paid in 2025
948
Recipients
Federal farm program payments by program in Warren County, Illinois, 2025
ProgramPaid
Emergency Commodity Assistance Program$10.7M
Supplemental Disaster Relief Non-Spec Crops$1.6M
CRP Payment - Annual Rental$1.2M
CRP Cost-Share Web-Based$53K
CRP - Continuous Pip$50K
Marketing Assistance for Specialty Crops$6K

USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county

Foreign-held farmland in Warren County

10,697
Acres disclosed
14
Holdings
Foreign-held agricultural land by country in Warren County, Illinois, 2024
CountryAcres
Canada7,730
No foreign investor listed1,339
Germany717
No predominant country code327
Netherlands319
Mexico97

Largest disclosed holders

Largest foreign holders of agricultural land in Warren County, Illinois
Holder (country)Acres
EcoPoint Wind, LLC (CANADA)7,697
BRICKYARD FARM, LLC (998 - NO FOREIGN INVESTOR LISTED)1,339
Monsanto Company (GERMANY)557
Global Ag Properties USA LLC (999 - NO PREDOMINANT COUNTRY CODE)327
LHF Black Walnut (IL) LLC (NETHERLANDS)319

USDA Agricultural Foreign Investment Disclosure Act filings, holdings at the end of 2024. Only disclosed interests are counted. See foreign-owned farmland by county

Crop insurance in Warren County

1,437
Policies
243,852
Insured acres
$1.2M
Claims paid
0.17
Loss ratio
Crop insurance claims by crop in Warren County, Illinois, 2024
CropClaims
Soybeans$601K
Corn$536K
Wheat$12K
Pasture,Rangeland,Forage$3K
All Other Crops$123

USDA Risk Management Agency Summary of Business, 2024 crop year.

Conservation and the power grid

4,021
CRP acres, 2025
2
Substations
69 kV
Highest voltage

Conservation Reserve Program acres under contract (USDA FSA). Substations in service, from a public copy of the federal HIFLD layer.

Find out who owns a property in Warren County by address, free, or work out a lot's acreage.

Nearby counties in Illinois

  • Henderson County8,082
  • Knox County33,239
  • Mercer County13,973
  • McDonough County18,348
  • Fulton County27,910
  • Hancock County21,182
  • Henry County31,895
  • Stark County6,089

All Illinois counties

Warren County last published these records on March 31, 2023. Assessment records, not a survey.