LandBrief

McDonough County

Parcel & Property Data

18,274Total Parcels
—Avg. Market Value
367,464Total Acres

About This Data

LandBrief holds 18,274 parcel records for McDonough 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 McDonough County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.

Explore McDonough County

McDonough County by the Numbers

Median parcel size
0.65 acres
measured from mapped boundaries
90th-percentile parcel
80.2 acres
County land area
377,155 acres
U.S. Census measurement
Communities
20
30.3% of parcels outside any incorporated place
Out-of-state owners
7.4% of parcels
by owner mailing address

Who Owns McDonough County?

Share of the county’s 18,274 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
Individuals79.3%
Companies & organizations12.3%
Trusts & estates4.9%
Government2.3%
Other / unclassified1.1%

The largest owner on record is CITY OF MACOMB with 131 parcels — see the full landowner leaderboard.

Parcel Records (~18,274 total)

per page
Parcel IDOwnerAddressCityAcreage
11-101-488-00CITY OF MACOMB—Macomb854.78
05-000-219-10IL DEPT OF NATURAL RESOURCES640 ARGYLE RDUnincorporated615.38
12-000-348-05FLACK CHARLES H GST TST—Unincorporated523.86
02-000-167-00WAITE NORMA L TSTEE20355 E 400TH STBlandinsville398.46
16-000-067-00RUEBUSH LAND CORP22860 E 1000TH STSciota332.03
06-000-124-05EVERLY REBECCA E EST—Unincorporated290.51
07-000-303-00IL DEPT OF NATURAL RESOURCES—Unincorporated290.00
13-000-127-05EFFLAND VIRGINIA R LIF EST ET AL—Unincorporated287.90
02-000-077-05COVERT TERESA D REV LIV TST—Unincorporated282.88
02-000-108-00BUTLER KATHY J TSTEE—Unincorporated272.06
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Download McDonough County parcel data

All 18,274 parcels in McDonough County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get McDonough County on FreeParcelData →

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Frequently Asked Questions

How many parcels are in McDonough County?

The McDonough County assessor roll on file records 18,274 parcels across 20 communities, with 30.3% lying outside any incorporated place.

Who owns the most land in McDonough County?

CITY OF MACOMB holds 131 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in McDonough County?

Measured from mapped boundaries, the median parcel is 0.65 acres, and nine parcels in ten are under 80.2 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

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

7.4% of parcels list an owner mailing address outside IL, per the county’s own records.

How much of McDonough County is government-owned?

Government entities — federal, state, and local — hold 2.3% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the McDonough 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)

18,274 parcels across 20 communities in McDonough County.