Tazewell County

Parcel & Property Data

68,092Total Parcels

—Avg. Market Value

374,942Total Acres

About This Data

LandBrief holds 68,092 parcel records for Tazewell 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 Tazewell County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.

Explore Tazewell County

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

Tazewell County by the Numbers

Median parcel size: 0.30 acres
measured from mapped boundaries
90th-percentile parcel: 8.4 acres
County land area: 413,740 acres
U.S. Census measurement
Communities: 25
9.0% of parcels outside any incorporated place
Out-of-state owners: 3.1% of parcels
by owner mailing address

Who Owns Tazewell County?

Share of the county’s 68,092 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	82.2%
Companies & organizations	7.8%
Trusts & estates	6.8%
Government	0.8%
Other / unclassified	2.4%

The largest owner on record is PEKIN CITY OF with 179 parcels — see the full landowner leaderboard.

Parcel Records (~68,092 total)

Showper page

Parcel ID	Owner	Address	City	Acreage
02-02-05-300-001	CATERPILLAR INC	28194 CATERPILLAR LN	Washington	1319.75
12-12-25-200-001	LAYLAND FARM PROPERTIES LLC	WEISHAUPT RD	Mackinaw	613.61
10-10-23-100-006	CUPI ROBERT M	RED SHALE HILL RD	Unincorporated	463.00
02-02-09-100-002	CATERPILLAR INC	SPRING CREEK RD (OFF OF	Unincorporated	460.71
18-18-25-200-002	MONARCH FARMS LLC	STRINGTOWN RD	Unincorporated	398.96
22-22-17-200-003	SWAIN FAMILY FARM PARTNERHSIP	LITWILLER RD	Delavan	365.93
12-12-16-400-001	GOULD FAMILY TRUST	25754 E LAKE WINDERMERE RD	Tremont	360.00
02-02-04-200-004	CATERPILLAR INC	1500 N CUMMINGS LN	Washington	351.51
16-16-16-300-002	DELONG DIANE V	HICKORY GROVE RD	Unincorporated	350.88
02-02-31-200-001	ARMY CORPS OF ENGINEERS US	W BITTERSWEET RD	Unincorporated	338.17

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Frequently Asked Questions

How many parcels are in Tazewell County?

The Tazewell County assessor roll on file records 68,092 parcels across 25 communities, with 9.0% lying outside any incorporated place.

Who owns the most land in Tazewell County?

PEKIN CITY OF holds 179 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Tazewell County?

Measured from mapped boundaries, the median parcel is 0.30 acres, and nine parcels in ten are under 8.4 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

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

3.1% of parcels list an owner mailing address outside IL, per the county’s own records.

How much of Tazewell County is government-owned?

Government entities — federal, state, and local — hold 0.8% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Tazewell 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.