Effingham County
Parcel & Property Data
About This Data
LandBrief holds 23,507 parcel records for Effingham 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 Effingham County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.
Explore Effingham County
Effingham County by the Numbers
- Median parcel size
- 1.2 acres
measured from mapped boundaries - 90th-percentile parcel
- 40.8 acres
- County land area
- 306,412 acres
U.S. Census measurement - Communities
- 15
32.1% of parcels outside any incorporated place - Out-of-state owners
- 4.2% of parcels
by owner mailing address
Who Owns Effingham County?
Share of the county’s 23,507 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 | 75.1% |
| Companies & organizations | 9.3% |
| Trusts & estates | 13.6% |
| Government | 1.3% |
| Other / unclassified | 0.7% |
The largest owner on record is City of Effingham with 74 parcels — see the full landowner leaderboard.
Parcel Records (~23,507 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 1501021001 | Stock & Company LLC | 2187 N 300th St Mason IL 62443 | Mason | 640.00 |
| 1410009023 | Effingham Co Airport | 14449 E 1100th Av Effingham IL 62401 | Effingham | 440.00 |
| 1309032022 | Walker Diana J | E 1st Av Mason IL 62443 | Unincorporated | 302.04 |
| 1015024011 | Effingham State Bank Trust 740 | E 1400th Av Teutopolis IL 62467 | Unincorporated | 300.00 |
| 0902023001 | City of Altamont | 8321 N 500th St Altamont IL 62411 | Unincorporated | 282.95 |
| 0705012002 | Bushue Corporation of Illinois | N State Hwy 37 Mason IL 62443 | Unincorporated | 279.62 |
| 0705002015 | State of Illinois | — | Unincorporated | 277.40 |
| 0613030006 | Jansen Harold J | 1545 N 1900th St Dieterich IL 62424 | Dieterich | 268.12 |
| 0406016030 | Hetzel Gail D | 9265 N 890th St Effingham IL 62401 | Effingham | 240.47 |
| 0613009008 | Emmerich Betty J | E 400th Av Dieterich IL 62424 | Unincorporated | 237.50 |
Download Effingham County parcel data
All 23,507 parcels in Effingham 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 Effingham County?
The Effingham County assessor roll on file records 23,507 parcels across 15 communities, with 32.1% lying outside any incorporated place.
Who owns the most land in Effingham County?
City of Effingham holds 74 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Effingham County?
Measured from mapped boundaries, the median parcel is 1.2 acres, and nine parcels in ten are under 40.8 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Effingham County is owned from out of state?
4.2% of parcels list an owner mailing address outside IL, per the county’s own records.
How much of Effingham County is government-owned?
Government entities — federal, state, and local — hold 1.3% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Effingham 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 (15)
23,507 parcels across 15 communities in Effingham County.