Sioux County
Parcel & Property Data
About This Data
LandBrief holds 5,151 parcel records for Sioux 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 Sioux County assessor roll dated March 2020, loaded August 2026. See data sources for every county’s vintage.
Explore Sioux County
Sioux County by the Numbers
- Median parcel size
- 161.1 acres
measured from mapped boundaries - 90th-percentile parcel
- 642.4 acres
- County land area
- 1,322,703 acres
U.S. Census measurement - Communities
- 6
88.9% of parcels outside any incorporated place
Who Owns Sioux County?
Share of the county’s 5,151 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 | 49.3% |
| Companies & organizations | 25.9% |
| Trusts & estates | 7.5% |
| Government | 7.5% |
| Other / unclassified | 9.8% |
The largest owner on record is U S A with 210 parcels — see the full landowner leaderboard.
Parcel Records (~5,151 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 830011749 | JOHNSON STEVAN V TRUSTEE JOHNSON MARILYN K TRUSTEE TC | — | Unincorporated | 719.75 |
| 830004831 | JOHNSTON PAUL ET AL | — | Unincorporated | 718.47 |
| 830012397 | SIOUX RANCH INC | — | Unincorporated | 699.74 |
| 830014608 | MANNING PATRICIA B. | — | Unincorporated | 698.23 |
| 830011757 | FX LAND CO | — | Unincorporated | 694.13 |
| 830019324 | RICE LARRY L | — | Unincorporated | 691.78 |
| 830004688 | FX LAND CO | — | Unincorporated | 691.77 |
| 830015566 | JOHNSON STEVAN V TRUSTEE JOHNSON MARILYN K TRUSTEE TC | — | Unincorporated | 690.87 |
| 830003800 | PRAIRIE GRAIN LLC | — | Unincorporated | 688.82 |
| 830012001 | FX LAND CO | 7887 HIGHWAY 71 | Unincorporated | 685.82 |
Download Sioux County parcel data
All 5,151 parcels in Sioux County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Sioux County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Sioux County?
The Sioux County assessor roll on file records 5,151 parcels across 6 communities, with 88.9% lying outside any incorporated place.
Who owns the most land in Sioux County?
U S A holds 210 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Sioux County?
Measured from mapped boundaries, the median parcel is 161.1 acres, and nine parcels in ten are under 642.4 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Sioux County is government-owned?
Government entities — federal, state, and local — hold 7.5% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Sioux County assessor roll dated March 2020. 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 (6)
5,151 parcels across 6 communities in Sioux County.