Jefferson County

Parcel & Property Data

30,827Total Parcels

—Avg. Market Value

368,634Total Acres (measured from parcel boundaries)

About This Data

LandBrief holds 30,827 parcel records for Jefferson 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 Jefferson County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.

Explore Jefferson County

Jefferson County by the Numbers

Median parcel size: 1.2 acres
measured from mapped boundaries
90th-percentile parcel: 40.3 acres
County land area: 365,590 acres
U.S. Census measurement
Communities: 20
41.5% of parcels outside any incorporated place
Out-of-state owners: 5.6% of parcels
by owner mailing address

Who Owns Jefferson County?

Share of the county’s 30,827 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	72.8%
Companies & organizations	7.9%
Trusts & estates	11.4%
Government	3.7%
Other / unclassified	4.3%

The largest owner on record is CITY OF MT VERNON with 395 parcels — see the full landowner leaderboard.

Parcel Records (~30,827 total)

Showper page

Parcel ID	Owner	Address	City	Acreage
1318100011	SWIGERT SHARON	104 E ACADEMY RD SCHELLER IL 62883	Scheller	9.99 †
1318100013	KABAT LEVI J	112 E ACADEMY RD SCHELLER IL 62883	Scheller	10.47 †
1308300005	LAPPIN JERRY D & MARY E REVOC TRUST	1280 E ACADEMY RD SCHELLER IL 62883	Scheller	41.32 †
1318100008	KABAT ROBERT A & MARLENE	135 E ACADEMY RD SCHELLER IL 62883	Scheller	2.02 †
1318300004	KABAT MARLENE & ROBERT A	147 E ACADEMY RD SCHELLER IL 62883	Scheller	33.31 †
1308400005	LAPPIN JERRY D & MARY E REVOC TRUST	1692 E ACADEMY RD SCHELLER IL 62883	Scheller	5.00 †
1318100005	BECHT RICHARD & PATRICIA	338 E ACADEMY RD SCHELLER IL 62883	Scheller	1.10 †
1318100004	MALINOWSKI JENNIFER L ETAL	426 E ACADEMY RD SCHELLER IL 62883	Scheller	1.00 †
1318100007	LAMKE ERNEST E	437 E ACADEMY RD SCHELLER IL 62883	Scheller	35.30 †
1310100008	BIZAILLION BRENDA TIMMONS	3325 E BONNIE RD SCHELLER IL 62883	Scheller	3.07 †

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All 30,827 parcels in Jefferson 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 Jefferson County?

The Jefferson County assessor roll on file records 30,827 parcels across 20 communities, with 41.5% lying outside any incorporated place.

Who owns the most land in Jefferson County?

CITY OF MT VERNON holds 395 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Jefferson County?

Measured from mapped boundaries, the median parcel is 1.2 acres, and nine parcels in ten are under 40.3 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

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

5.6% of parcels list an owner mailing address outside IL, per the county’s own records.

How much of Jefferson County is government-owned?

Government entities — federal, state, and local — hold 3.7% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Jefferson 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)

30,827 parcels across 20 communities in Jefferson County.