Peoria County

Parcel & Property Data

88,637Total Parcels

—Avg. Market Value

386,851Total Acres

About This Data

LandBrief holds 88,637 parcel records for Peoria County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.

Data from the Peoria County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.

Explore Peoria County

Largest landownersWho holds the most land in Peoria County, by total acreage.
Largest parcelsThe biggest individual tracts in the county, ranked by size.
Out-of-state ownersWho owns Peoria County from somewhere else, and where they live.

Peoria County by the Numbers

Median parcel size: 0.25 acres
measured from mapped boundaries
90th-percentile parcel: 5.2 acres
County land area: 395,965 acres
U.S. Census measurement
Communities: 29
8.6% of parcels outside any incorporated place
Out-of-state owners: 5.3% of parcels
by owner mailing address

Who Owns Peoria County?

Share of the county’s 88,637 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.

Owner type	Share of parcels
Individuals	79.1%
Companies & organizations	12.1%
Trusts & estates	4.3%
Government	3.2%
Other / unclassified	1.4%

The largest owner on record is CITY OF PEORIA with 1,161 parcels — see the full landowner leaderboard.

Parcel Records (~88,637 total)

Showper page

Parcel ID	Owner	Address	City	Acreage
0915100004	CATERPILLAR INC	13501 N OLD GALENA RD	Chillicothe	774.98
1226400006	CITY OF PEORIA	3622 N MURPHY RD	Unincorporated	553.19
0721200003	STATE OF IL DEPT OF NATURAL RESOURCES	N THOUSAND DOLLAR RD	Brimfield	527.85
1329100008	FRIENDS OF WILDLIFE PRAIRIE PARK	—	Unincorporated	523.40
1130300006	QUAIL LAKES FARMS INC	24015 W KORTH RD	Unincorporated	469.15
0726300003	STATE OF IL DEPT OF NATURAL RESOURCES	11817 W JUBILEE COLLEGE RD	Brimfield	448.70
1120100002	MORRISON & MARY WILEY LIBRARY CORP	N WILEY RD	Unincorporated	440.05
1208200013	RUSHING MOLLIE L	N MCINTYRE RD	Brimfield	412.78
1722100001	METROPOLITAN AIRPORT AUTHORITY OF PEORIA	6100 W DIRKSEN PKY	Unincorporated	410.58
0909100005	PLEASURE DRIVEWAY & PARK DIST NOBLE ADMIN CNTR	—	Unincorporated	402.86

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All 88,637 parcels in Peoria County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

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Frequently Asked Questions

How many parcels are in Peoria County?

The Peoria County assessor roll on file records 88,637 parcels across 29 communities, with 8.6% lying outside any incorporated place.

Who owns the most land in Peoria County?

CITY OF PEORIA holds 1,161 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Peoria County?

Measured from mapped boundaries, the median parcel is 0.25 acres, and nine parcels in ten are under 5.2 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How much of Peoria County is owned from out of state?

5.3% of parcels list an owner mailing address outside IL, per the county’s own records.

How much of Peoria County is government-owned?

Government entities — federal, state, and local — hold 3.2% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Peoria County assessor roll dated July 2025. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.