Hamilton County
Parcel & Property Data
About This Data
LandBrief holds 10,391 parcel records for Hamilton 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 Hamilton County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.
Explore Hamilton County
Hamilton County by the Numbers
- Median parcel size
- 10.1 acres
measured from mapped boundaries - 90th-percentile parcel
- 77.6 acres
- County land area
- 278,174 acres
U.S. Census measurement - Communities
- 7
74.5% of parcels outside any incorporated place - Out-of-state owners
- 6.6% of parcels
by owner mailing address
Who Owns Hamilton County?
Share of the county’s 10,391 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 | 73.2% |
| Companies & organizations | 8.7% |
| Trusts & estates | 14.7% |
| Government | 1.6% |
| Other / unclassified | 1.9% |
The largest owner on record is GRAN WOODROW LLC with 56 parcels — see the full landowner leaderboard.
Parcel Records (~10,391 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 02-36-100-001 | RUBENACKER BROTHERS LLC | NO ADDRESS ASSIGNED HAMILTON COUNTY IL None | Unincorporated | 640.00 |
| 03-22-100-001 | MORRIS DONALD W DOROTHY SMITH | NO ADDRESS ASSIGNED HAMILTON COUNTY IL None | Unincorporated | 640.00 |
| 10-35-100-001 | ROLES THOMAS M REVOCABLE TRUST | 4981 COUNTY ROAD 300 N BROUGHTON IL 62817-1092 | Unincorporated | 640.00 |
| 06-01-100-001 | GRAY BIRDIE R LTD PARTNERSHIP I | NO ADDRESS ASSIGNED HAMILTON COUNTY IL None | Unincorporated | 632.00 |
| 13-02-100-001 | ROLES THOMAS M REVOCABLE TRUST | 4814 COUNTY ROAD 300 N BROUGHTON IL 62817-1239 | Unincorporated | 609.64 |
| 05-12-100-002 | SKILLET FORK FARMS LTD | NO ADDRESS ASSIGNED HAMILTON COUNTY IL None | Unincorporated | 590.00 |
| 13-03-100-001 | ROLES THOMAS M REVOCABLE TRUST | NO ADDRESS ASSIGNED HAMILTON COUNTY IL None | Unincorporated | 544.80 |
| 06-07-100-001 | SKILLET FORK FARMS LTD | NO ADDRESS ASSIGNED HAMILTON COUNTY IL None | Unincorporated | 505.60 |
| 03-21-100-001 | BONAN BROTHERS PROPERTIES | NO ADDRESS ASSIGNED HAMILTON COUNTY IL None | Unincorporated | 480.00 |
| 07-23-100-004 | STATE OF IL - DEPT OF NATURAL | 11337 COUNTY ROAD 475 E MCLEANSBORO IL 62859 | Unincorporated | 462.50 |
Download Hamilton County parcel data
All 10,391 parcels in Hamilton County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Hamilton County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Hamilton County?
The Hamilton County assessor roll on file records 10,391 parcels across 7 communities, with 74.5% lying outside any incorporated place.
Who owns the most land in Hamilton County?
GRAN WOODROW LLC holds 56 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Hamilton County?
Measured from mapped boundaries, the median parcel is 10.1 acres, and nine parcels in ten are under 77.6 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Hamilton County is owned from out of state?
6.6% of parcels list an owner mailing address outside IL, per the county’s own records.
How much of Hamilton County is government-owned?
Government entities — federal, state, and local — hold 1.6% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Hamilton 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 (7)
10,391 parcels across 7 communities in Hamilton County.