LandBrief

Stephenson County

Parcel & Property Data

27,829Total Parcels
—Avg. Market Value
377,583Total Acres

About This Data

LandBrief holds 27,829 parcel records for Stephenson 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 Stephenson County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.

Explore Stephenson County

Stephenson County by the Numbers

Median parcel size
0.49 acres
measured from mapped boundaries
90th-percentile parcel
46.8 acres
County land area
361,118 acres
U.S. Census measurement
Communities
22
17.6% of parcels outside any incorporated place
Out-of-state owners
4.7% of parcels
by owner mailing address

Who Owns Stephenson County?

Share of the county’s 27,829 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
Individuals67.7%
Companies & organizations10.5%
Trusts & estates17.3%
Government3.6%
Other / unclassified0.9%

The largest owner on record is CITY OF FREEPORT with 414 parcels — see the full landowner leaderboard.

Parcel Records (~27,829 total)

per page
Parcel IDOwnerAddressCityAcreage
17-02-30-200-006KENT FAMILY FARM PARTNERSHIPN CHRISTIAN HOLLOW RDWinslow360.44
17-00-30-600-006ACCIONA ENERGY NORTH AMERICA CORP—Unincorporated360.44
17-00-30-600-007ACCIONA ENERGY NORTH AMERICA CORP—Unincorporated360.44
08-13-09-100-007RIGNEY THOMAS KAYP RDUnincorporated346.77
06-10-31-300-001RAYHORN FAMILY PRESERVATION TRCEDARVILLE RDUnincorporated327.44
10-12-17-300-002CTM FARM LLCMOUND RDUnincorporated313.02
06-10-12-300-004STIEGLER ERIC J & AUDREY E9707 N DAVIS RDDavis308.85
05-20-22-400-004BUTTEL DONALD G & REBECCA A TRE EDWARDSVILLE RDGerman Valley299.39
07-14-35-200-006MEIER FARM10 N DAKOTA RDRidott284.97
17-02-20-200-002WULFEKUHLE TIMOTHY W & CHRISTINE D TRUSTSW STATELINE RDUnincorporated282.57
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Download Stephenson County parcel data

All 27,829 parcels in Stephenson County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Stephenson County on FreeParcelData →

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Frequently Asked Questions

How many parcels are in Stephenson County?

The Stephenson County assessor roll on file records 27,829 parcels across 22 communities, with 17.6% lying outside any incorporated place.

Who owns the most land in Stephenson County?

CITY OF FREEPORT holds 414 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Stephenson County?

Measured from mapped boundaries, the median parcel is 0.49 acres, and nine parcels in ten are under 46.8 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

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

4.7% of parcels list an owner mailing address outside IL, per the county’s own records.

How much of Stephenson County is government-owned?

Government entities — federal, state, and local — hold 3.6% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Stephenson 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)

27,829 parcels across 22 communities in Stephenson County.