LandBrief

Boone County

Parcel & Property Data

24,278Total Parcels
—Avg. Market Value
176,731Total Acres

About This Data

LandBrief holds 24,278 parcel records for Boone 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 Boone County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.

Explore Boone County

Boone County by the Numbers

Median parcel size
0.41 acres
measured from mapped boundaries
90th-percentile parcel
24.3 acres
County land area
179,679 acres
U.S. Census measurement
Communities
19
17.6% of parcels outside any incorporated place
Out-of-state owners
3.6% of parcels
by owner mailing address

Who Owns Boone County?

Share of the county’s 24,278 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
Individuals71.0%
Companies & organizations14.2%
Trusts & estates13.7%
Government0.4%
Other / unclassified0.7%

The largest owner on record is WHITE OAK HOME BUILDERS LLC with 322 parcels — see the full landowner leaderboard.

Parcel Records (~24,278 total)

per page
Parcel IDOwnerAddressCityAcreage
0529400018BOONE COUNTY CONSERVATION DIST5601 NEWBURG RDBelvidere403.18
0527100005BOONE COUNTY CONSERVATION DIST825 N APPLETON RDBelvidere356.76
0629100010MICKEY ROBERT R ESTATE7615 GRANGE HALL RDGarden Prairie315.90
0131400007BOONE COUNTY CONSERVATION DIST—Unincorporated279.50
0327202009CANDLEWICK LAKE ASSOC INC—Candlewick Lake273.17
0703100001FCA US LLC3000 W CHRYSLER DRBelvidere249.03
0115200003BREWER WILLIAM L & KATHLEEN N TR—Unincorporated240.00
0811200004BOONE COUNTY CONSERVATION DIST—Unincorporated200.82
0530200017BOONE COUNTY CONSERVATION DIST DISTILLERY CONSERVATION AREA—Belvidere180.88
0534400013WAL-MART STORES EAST LP1504 CROSSLINK PKWYBelvidere177.88
Page 1 of 2428

Download Boone County parcel data

All 24,278 parcels in Boone County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get Boone County on FreeParcelData →

Nearby counties

Frequently Asked Questions

How many parcels are in Boone County?

The Boone County assessor roll on file records 24,278 parcels across 19 communities, with 17.6% lying outside any incorporated place.

Who owns the most land in Boone County?

WHITE OAK HOME BUILDERS LLC holds 322 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in Boone County?

Measured from mapped boundaries, the median parcel is 0.41 acres, and nine parcels in ten are under 24.3 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

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

3.6% of parcels list an owner mailing address outside IL, per the county’s own records.

How much of Boone County is government-owned?

Government entities — federal, state, and local — hold 0.4% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the Boone 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 (19)

24,278 parcels across 19 communities in Boone County.