Putnam County
Parcel & Property Data
About This Data
LandBrief holds 7,403 parcel records for Putnam 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 Putnam County assessor roll dated July 2025, loaded August 2026. See data sources for every county’s vintage.
Explore Putnam County
Putnam County by the Numbers
- Median parcel size
- 0.52 acres
measured from mapped boundaries - 90th-percentile parcel
- 45.7 acres
- County land area
- 102,462 acres
U.S. Census measurement - Communities
- 12
43.4% of parcels outside any incorporated place - Out-of-state owners
- 6.2% of parcels
by owner mailing address
Who Owns Putnam County?
Share of the county’s 7,403 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 | 77.3% |
| Companies & organizations | 11.2% |
| Trusts & estates | 9.7% |
| Government | 1.4% |
| Other / unclassified | 0.4% |
The largest owner on record is LAKE THUNDERBIRD ASSOCIATION with 60 parcels — see the full landowner leaderboard.
Parcel Records (~7,403 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 0117055000 | THE WETLANDS INITIATIVE | — | Unincorporated | 615.46 |
| 0310075000 | SENACHWINE CLUB C/O MIKE ZEDDIES JR. | GOOSE LAKE PUTNAM IL 61560 | Unincorporated | 546.00 |
| 0310175000 | SENACHWINE CLUB C/O MIKE ZEDDIES JR. | EAST OF GOOSE LAKE & WEST LIONS LAKE PUTNAM IL 61560 | Unincorporated | 520.00 |
| 0319175000 | THE NATURE CONSERVANCY IN ILLINOIS | SENACHWINE LAKE PUTNAM IL 61560 | Unincorporated | 520.00 |
| 0123155000 | THE WETLANDS INITIATIVE | — | Unincorporated | 518.20 |
| 0124255000 | THE WETLANDS INITIATIVE | — | Unincorporated | 513.69 |
| 0117155000 | THE WETLANDS INITIATIVE | — | Unincorporated | 440.65 |
| 0116155000 | THE WETLANDS INITIATIVE | — | Unincorporated | 362.18 |
| 0316015000 | THE NATURE CONSERVANCY IN ILLINOIS | SENACHWINE LAKE PUTNAM IL 61560 | Unincorporated | 360.00 |
| 0221071000 | WEST END GUN CLUB % BRENT ZIEGLER | TURNER LAKE GRANVILLE IL 61326 | Granville | 340.80 |
Download Putnam County parcel data
All 7,403 parcels in Putnam County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Putnam County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Putnam County?
The Putnam County assessor roll on file records 7,403 parcels across 12 communities, with 43.4% lying outside any incorporated place.
Who owns the most land in Putnam County?
LAKE THUNDERBIRD ASSOCIATION holds 60 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Putnam County?
Measured from mapped boundaries, the median parcel is 0.52 acres, and nine parcels in ten are under 45.7 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Putnam County is owned from out of state?
6.2% of parcels list an owner mailing address outside IL, per the county’s own records.
How much of Putnam County is government-owned?
Government entities — federal, state, and local — hold 1.4% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Putnam 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 (12)
7,403 parcels across 12 communities in Putnam County.