ParcelioWarren County, Illinois: parcel data and property records
12,807 Warren County parcels on one searchable map: owner of record and mailing address, assessed and appraised values and recorded sales, plus lot boundaries and location. Screen by absentee ownership, acreage and owner tenure.
What the data covers
These bars show real field-by-field coverage for Warren County in our database, so you know exactly what you are getting before you search. Numbers refresh as the county publishes new records.
Not held for Warren County: year built, land or improvement value, deeded acreage, zoning and vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-10-30.
Areas covered
Parcel counts by place, largest first: Warren County (5,003), Monmouth (4,443), Roseville (823), Kirkwood (448), Alexis (435).
Recent sales
285 Warren County parcels have a recorded sale dated since November 2025. Across 283 priced sales, with a deed recorded on several parcels counted once, the median price was $85,000 and the middle half sold between $36,000 and $159,000.
Land use mix
The most common land use or property class on file, as the county writes it, by share of parcels with one: Residential Improved 44%, Farmland without Improvements 26%, Farm with Improvements 11%, Residential Land / Lots 8%, Exempt 5%.
Nearest counties
- Henderson County: about 17 mi away, 7,135 parcels
- Knox County: about 22 mi away, 32,965 parcels
- Mercer County: about 25 mi away, 13,039 parcels
- McDonough County: about 27 mi away, 18,312 parcels
- Fulton County: about 34 mi away, 27,845 parcels
Search Warren County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, assessed values, recorded sales and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the Warren County map See plans
Common questions
How many parcels are in Warren County, Illinois?
Parcelio carries 12,807 parcel records for Warren County, Illinois, with owner information on 100 percent of them.
Can I find out who owns a property in Warren County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, assessed values, recorded sales and lot lines on the map. Sale records here currently run through 2026-10-30.
How do I find vacant land or absentee owners in Warren County?
We do not hold vacancy data for Warren County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. Warren County does have owner mailing state: 748 parcels have an owner mailing address outside Illinois.
Can I search Warren County by lot size or acreage?
Yes. Acreage is on 99 percent of Warren County parcels, mapped from the parcel boundary, and the advanced search filters on it directly - set a minimum and maximum to pull every tract in that range, then stack vacancy or absentee ownership on top.