LandBrief

Marion County

Parcel & Property Data

28,407Total Parcels
—Avg. Market Value
365,429Total Acres

About This Data

LandBrief holds 28,407 parcel records for Marion 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 Marion County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.

Explore Marion County

Marion County by the Numbers

Median parcel size
0.75 acres
measured from mapped boundaries
90th-percentile parcel
40.4 acres
County land area
366,424 acres
U.S. Census measurement
Communities
20
21.8% of parcels outside any incorporated place
Out-of-state owners
5.1% of parcels
by owner mailing address

Who Owns Marion County?

Share of the county’s 28,407 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
Individuals77.2%
Companies & organizations8.1%
Trusts & estates10.6%
Government2.0%
Other / unclassified2.1%

The largest owner on record is CITY OF CENTRALIA with 166 parcels — see the full landowner leaderboard.

Parcel Records (~28,407 total)

per page
Parcel IDOwnerAddressCityAcreage
0804300001STATE OF IL DEPT OF TRANSOMEGA RD KINMUNDY IL 62854Unincorporated600.00
1106000019YOUNG ACRES FAMILY FARMS LLC4511 HOOTS CHAPEL RD SALEM IL 62881Salem476.18
1106000019YOUNG ACRES FAMILY FARMS LLC4511 HOOTS CHAPEL RD SALEM IL 62881Salem476.18
0805100001STATE OF IL DEPT OF TRANS6924 OMEGA RD KINMUNDY IL 62854Kinmundy471.00
0809100001STATE OF IL DEPT OF CONSPRAIRIE RD KINMUNDY IL 62854Unincorporated448.00
0622100003HOPKINS POOR LAND FARM5803 HOPKINS HUNTER RD SALEM IL 62881Salem403.00
0622100003HOPKINS POOR LAND FARM5803 HOPKINS HUNTER RD SALEM IL 62881Salem403.00
0622100003HOPKINS POOR LAND FARM5803 HOPKINS HUNTER RD SALEM IL 62881Salem403.00
0308100004STIMPERT LANA ET ALSIMMONS RD KINMUNDY IL 62854Kinmundy398.73
0333200002VON BOKEL LIVING TRUST MIKE & BRENDABROOM RD KINMUNDY IL 62854Unincorporated362.18
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Download Marion County parcel data

All 28,407 parcels in Marion County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Marion County on FreeParcelData →

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Frequently Asked Questions

How many parcels are in Marion County?

The Marion County assessor roll on file records 28,407 parcels across 20 communities, with 21.8% lying outside any incorporated place.

Who owns the most land in Marion County?

CITY OF CENTRALIA holds 166 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Marion County?

Measured from mapped boundaries, the median parcel is 0.75 acres, and nine parcels in ten are under 40.4 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

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

5.1% of parcels list an owner mailing address outside IL, per the county’s own records.

How much of Marion County is government-owned?

Government entities — federal, state, and local — hold 2.0% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Marion 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 (20)

28,407 parcels across 20 communities in Marion County.