Warren County, Illinois

Property records, parcel maps, and county statistics for Warren County, Illinois.

13,851 parcels mapped100% with owner of recordPop. 16,576

Open the Warren County parcel map

Warren County property records

13,851

parcels mapped

100%

with owner of record

Weekly

ownership and sale updates

Recent sales in Warren County Out-of-state owners in Warren County Vacant land in Warren County Largest parcels in Warren County Owner list builder Download county data

Cities and towns in Warren County

Monmouth Kirkwood Roseville Cameron Alexis Little York

ZIP codes

61417 61423 61435 61447 61453 61462 61473 61478

Embed this parcel map on your site (free)

<iframe src="https://clilu.com/embed?lat=40.8486&lng=-90.615&zoom=11" width="100%" height="450" style="border:0" loading="lazy" title="Warren County, Illinois parcel map"></iframe>

Questions about Warren County property records

How do I find who owns property in Warren County?

Open the CLILU map at Warren County, tap a parcel and the owner of record appears with the address, acreage and value. You can also search by owner name or address. CLILU has 13,851 Warren County parcels, 100% with owner names.

How often is Warren County parcel data updated?

CLILU checks the county's published parcel records every week and updates ownership and sale information that changed.

Can I download Warren County parcel data?

Yes. The full county is available as a CSV download, and the list builder exports filtered owner lists (absentee and out-of-state owners, vacant land, acreage, value, sale dates).

Are the Warren County property lines exact?

They come from the county's GIS parcel layer and are approximate. For legal boundaries, use a licensed surveyor or the recorded plat.

16,576

Population

$64,650

Median Income

$33,620

Per Capita Income

5.2%

Unemployment

County statistics

Economic Data

Labor Force: 8,250
Poverty Rate: 12.8%
Building Permits (2023): 27
New Housing Units (2023): 49

Health & Safety

Healthcare Shortage Area: Yes
HPSA Score: 18
Disaster Declarations (10yr): 3
County FIPS: 17187

Other Counties in Illinois

Cook County Dupage County Lake County Will County Kane County Mchenry County Winnebago County Madison County St Clair County Champaign County Sangamon County Peoria County View all 102 counties →

About Warren County, Illinois

Warren County is located in Illinois with a population of 16,576. The median household income is $64,650, and the unemployment rate is 5.2%. CLILU provides free access to parcel maps and property ownership records for Warren County.

Use the interactive map to search for properties by owner name or address. View parcel boundaries, acreage, and assessed values sourced directly from county assessor records.