Cass County
Parcel & Property Data
About This Data
LandBrief holds 12,484 parcel records for Cass 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 Cass County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.
Explore Cass County
Cass County by the Numbers
- Median parcel size
- 0.98 acres
measured from mapped boundaries - 90th-percentile parcel
- 67.7 acres
- County land area
- 240,483 acres
U.S. Census measurement - Communities
- 7
43.0% of parcels outside any incorporated place - Out-of-state owners
- 4.0% of parcels
by owner mailing address
Who Owns Cass County?
Share of the county’s 12,484 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 | 66.2% |
| Companies & organizations | 12.2% |
| Trusts & estates | 14.7% |
| Government | 4.3% |
| Other / unclassified | 2.6% |
The largest owner on record is DEPT OF NATURAL RESOURCES with 182 parcels — see the full landowner leaderboard.
Parcel Records (~12,484 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 08-013-004-00 | DEPT OF NATURAL RESOURCES | RURAL PROPERTY | Unincorporated | 643.06 |
| 08-013-005-00 | DEPT OF NATURAL RESOURCES | RURAL PROPERTY | Unincorporated | 641.08 |
| 08-020-001-00 | DEPT OF NATURAL RESOURCES | RURAL PROPERTY | Unincorporated | 640.16 |
| 08-020-001-00 | DEPT OF NATURAL RESOURCES | RURAL PROPERTY | Unincorporated | 640.16 |
| 04-041-001-00 | DEPT OF NATURAL RESOURCES | RURAL PROPERTY | Unincorporated | 640.00 |
| 04-041-002-00 | DEPT OF NATURAL RESOURCES | RURAL PROPERTY | Unincorporated | 640.00 |
| 08-012-009-00 | DEPT OF NATURAL RESOURCES | RURAL PROPERTY | Unincorporated | 640.00 |
| 08-008-004-00 | DEPT OF NATURAL RESOURCES | REED RD | Unincorporated | 639.47 |
| 08-008-003-00 | DEPT OF NATURAL RESOURCES | RURAL PROPERTY | Unincorporated | 638.79 |
| 08-009-009-00 | DEPT OF NATURAL RESOURCES | RURAL PROPERTY | Unincorporated | 637.79 |
Download Cass County parcel data
All 12,484 parcels in Cass County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Cass County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Cass County?
The Cass County assessor roll on file records 12,484 parcels across 7 communities, with 43.0% lying outside any incorporated place.
Who owns the most land in Cass County?
DEPT OF NATURAL RESOURCES holds 182 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Cass County?
Measured from mapped boundaries, the median parcel is 0.98 acres, and nine parcels in ten are under 67.7 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Cass County is owned from out of state?
4.0% of parcels list an owner mailing address outside IL, per the county’s own records.
How much of Cass County is government-owned?
Government entities — federal, state, and local — hold 4.3% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Cass 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)
12,484 parcels across 7 communities in Cass County.