LandBrief

Randolph County

Parcel & Property Data

25,112Total Parcels
—Avg. Market Value
358,818Total Acres

About This Data

LandBrief holds 25,112 parcel records for Randolph 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 Randolph County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.

Explore Randolph County

Randolph County by the Numbers

Median parcel size
1.1 acres
measured from mapped boundaries
90th-percentile parcel
42 acres
County land area
368,235 acres
U.S. Census measurement
Communities
22
39.3% of parcels outside any incorporated place
Out-of-state owners
7.1% of parcels
by owner mailing address

Who Owns Randolph County?

Share of the county’s 25,112 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 typeShare of parcels
Individuals67.6%
Companies & organizations9.4%
Trusts & estates15.4%
Government6.3%
Other / unclassified1.1%

The largest owner on record is STATE OF ILLINOIS DEPT OF NATURAL RESOURCES with 425 parcels — see the full landowner leaderboard.

Parcel Records (~25,112 total)

per page
Parcel IDOwnerAddressCityAcreage
1405000200KERTZ LAND COMPANY LLC—Unincorporated1336.23
1201900200UNITED STATES FISH & WILDLIFE ATTN: KEVIN SOMMERLAND—Unincorporated909.93
1201300100SOUTHERN ILLINOIS SAND CO INCLA GRANDE RUEUnincorporated757.78
1203500901KASKASKIA ISLAND DRAINAGE & LEVEE C/O STEPHANIE SULSER—Unincorporated673.79
1202001000TNT LAND TRUST VASQUEZ TREVAR M & TRENT C CO-TRUSTEE—Unincorporated639.21
1504502400ROTTLER PROPERTIES LP—Unincorporated601.85
1405000300RANGE LAND COMPANY—Unincorporated593.72
1201900250UNITED STATES FISH & WILDLIFE ATTN: KEVIN SOMMERLAND—Unincorporated575.41
0900201300DYNEGY MIDWEST GENERATION LLC ATTN: PROPERTY TAX—Unincorporated568.60
0901200350DYNEGY MIDWEST GENERATION LLC—Unincorporated556.14
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Download Randolph County parcel data

All 25,112 parcels in Randolph County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Randolph County on FreeParcelData →

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Frequently Asked Questions

How many parcels are in Randolph County?

The Randolph County assessor roll on file records 25,112 parcels across 22 communities, with 39.3% lying outside any incorporated place.

Who owns the most land in Randolph County?

STATE OF ILLINOIS DEPT OF NATURAL RESOURCES holds 425 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Randolph County?

Measured from mapped boundaries, the median parcel is 1.1 acres, and nine parcels in ten are under 42 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

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

7.1% of parcels list an owner mailing address outside IL, per the county’s own records.

How much of Randolph County is government-owned?

Government entities — federal, state, and local — hold 6.3% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Randolph 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.

Browse by City (22)

25,112 parcels across 22 communities in Randolph County.