Walworth County
Parcel & Property Data
About This Data
LandBrief holds 7,999 parcel records for Walworth 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 Walworth County assessor roll dated November 2022, loaded August 2026. See data sources for every county’s vintage.
Explore Walworth County
Walworth County by the Numbers
- Median parcel size
- 7 acres
measured from mapped boundaries - 90th-percentile parcel
- 160.5 acres
- County land area
- 452,771 acres
U.S. Census measurement - Communities
- 9
55.8% of parcels outside any incorporated place
Who Owns Walworth County?
Share of the county’s 7,999 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 | 73.0% |
| Companies & organizations | 11.2% |
| Trusts & estates | 5.4% |
| Government | 4.6% |
| Other / unclassified | 5.9% |
The largest owner on record is STATE OF SD DEPARTMENT OF GAME FISH & PARKS with 123 parcels — see the full landowner leaderboard.
Parcel Records (~7,999 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 003004 | RUSZA TIM | STR 36-124-76 | Unincorporated | 222.70 |
| 006847 | CHARLES SALVERSON ET AL | STR 19-122-77 | Unincorporated | 200.00 |
| 000251 | SCHAEFER DANIEL | STR 15-121-75 | Unincorporated | 198.05 |
| 003198 | LEO T VOJTA ET AL | STR 1-124-78 | Unincorporated | 183.16 |
| 008512 | THOMAS G FIEDLER ET AL | — | Unincorporated | 174.73 |
| 007167 | SD DEPARTMENT OF GAME FISH & PARKS | STR 24-121-75 | Unincorporated | 174.00 |
| 002609 | REZAC TAWNA TENAE TRUSTEE | STR 30-124-74 | Unincorporated | 171.76 |
| 002612 | ZIMMERMAN BRAD E | STR 31-124-74 | Unincorporated | 171.71 |
| 001584 | RICHARD RANDALL CFD ET AL | STR 7-123-74 | Unincorporated | 171.55 |
| 001640 | RICHARD D OSTERDAY ET AL | STR 18-123-74 | Unincorporated | 171.50 |
Download Walworth County parcel data
All 7,999 parcels in Walworth 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 Walworth County?
The Walworth County assessor roll on file records 7,999 parcels across 9 communities, with 55.8% lying outside any incorporated place.
Who owns the most land in Walworth County?
STATE OF SD DEPARTMENT OF GAME FISH & PARKS holds 123 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Walworth County?
Measured from mapped boundaries, the median parcel is 7 acres, and nine parcels in ten are under 160.5 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Walworth County is government-owned?
Government entities — federal, state, and local — hold 4.6% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Walworth County assessor roll dated November 2022. 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 (9)
7,999 parcels across 9 communities in Walworth County.