Thomas County
Parcel & Property Data
About This Data
LandBrief holds 7,411 parcel records for Thomas 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 Thomas County assessor roll dated June 2025, loaded August 2026. See data sources for every county’s vintage.
Explore Thomas County
Thomas County by the Numbers
- Median parcel size
- 4.1 acres
measured from mapped boundaries - 90th-percentile parcel
- 300.9 acres
- County land area
- 687,799 acres
U.S. Census measurement - Communities
- 8
55.7% of parcels outside any incorporated place
Who Owns Thomas County?
Share of the county’s 7,411 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 | 56.0% |
| Companies & organizations | 21.1% |
| Trusts & estates | 22.0% |
| Government | 0.1% |
| Other / unclassified | 0.7% |
The largest owner on record is COLBY, CITY OF with 61 parcels — see the full landowner leaderboard.
Parcel Records (~7,411 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 0970973604031001000 | HILL, GARY LEE HELEN JULENE | 290 N STERLING AVE, Colby, KS 67701 | Colby | 0.18 † |
| 0971142000000001000 | ZIEGELMEIER, PATRICIA K REV TRUST | 2154 CO RD 27, Gem, KS 67734 | Unincorporated | 4.12 † |
| 0970973604031002000 | CARMICHAEL, MATTHEW B MARGARET M | 1260 W 3RD ST, Colby, KS 67701 | Colby | 0.14 † |
| 0970741800000002000 | CARPENTER CREDIT TRUST 1/2 CARPENTER, BONNIE J TRUST 1/2 | CO RD 2, Brewster, KS 67732 | Unincorporated | 308.38 † |
| 0971142000000001010 | MZ FARMS, LLC | CO RD V, Gem, KS 67734 | Unincorporated | 316.40 † |
| 0970973604031003000 | HULLET, MARTHA ANN (TOD) | 1270 W 3RD ST, Colby, KS 67701 | Colby | 0.17 † |
| 0971142000000002000 | HOPPER FARM TRUST | 2633 CO RD U, Gem, KS 67734 | Unincorporated | 149.00 † |
| 0970741900000001000 | STRAIN FAMILY FARMS, LLC | CO RD 2, Brewster, KS 67732 | Unincorporated | 153.15 † |
| 0970973604031004000 | HAGEL, BONNIE R | 1280 W 3RD ST, Colby, KS 67701 | Colby | 0.17 † |
| 0970741900000002000 | CARPENTER, WAYNE L | CO RD V, Brewster, KS 67732 | Unincorporated | 155.56 † |
Download Thomas County parcel data
All 7,411 parcels in Thomas 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 Thomas County?
The Thomas County assessor roll on file records 7,411 parcels across 8 communities, with 55.7% lying outside any incorporated place.
Who owns the most land in Thomas County?
COLBY, CITY OF holds 61 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Thomas County?
Measured from mapped boundaries, the median parcel is 4.1 acres, and nine parcels in ten are under 300.9 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Thomas County is government-owned?
Government entities — federal, state, and local — hold 0.1% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Thomas County assessor roll dated June 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 (8)
7,411 parcels across 8 communities in Thomas County.