Roosevelt County
Parcel & Property Data
About This Data
LandBrief holds 12,245 parcel records for Roosevelt 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 Roosevelt County assessor roll dated March 2022, loaded August 2026. See data sources for every county’s vintage.
Explore Roosevelt County
- Largest landownersWho holds the most land in Roosevelt County, by total acreage.
- Largest parcelsThe biggest individual tracts in the county, ranked by size.
- Highest-value parcelsThe most valuable properties on the roll, by assessed market value.
- Out-of-state ownersWho owns Roosevelt County from somewhere else, and where they live.
Roosevelt County by the Numbers
- Median parcel size
- 40.4 acres
measured from mapped boundaries - 90th-percentile parcel
- 320.5 acres
- County land area
- 1,506,945 acres
U.S. Census measurement - Communities
- 7
75.7% of parcels outside any incorporated place - Median assessed value
- $26,163
95% of parcels carry a value - Out-of-state owners
- 11.8% of parcels
by owner mailing address
Who Owns Roosevelt County?
Share of the county’s 12,245 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 | 71.5% |
| Companies & organizations | 14.3% |
| Trusts & estates | 4.4% |
| Government | 6.9% |
| Other / unclassified | 2.9% |
The largest owner on record is FORT PECK INDIAN RESERVATION with 958 parcels — see the full landowner leaderboard.
Parcel Records (~12,245 total)
| Parcel ID | Owner | Address | City | Acreage | Market Value |
|---|---|---|---|---|---|
| 17404711404010000 | OELKERS RANCH INC | — | Unincorporated | 1178.67 | — |
| 17404710101010000 | KITTLESON RANCH CO | — | Unincorporated | 1102.22 | $25,136 |
| 17404709101010000 | — | — | Unincorporated | 1046.86 | $26,998 |
| 17393933101010000 | WILSON MICHAEL J | — | Unincorporated | 824.26 | $90,184 |
| 17404702101010000 | BIG MUDDY GRAZING ASSN | — | Unincorporated | 792.25 | $33,827 |
| 17447619101010000 | FORT PECK INDIAN RESERVATION | — | Unincorporated | 750.09 | $89,084 |
| 17391106101010000 | FORT PECK INDIAN RESERVATION | — | Unincorporated | 729.43 | — |
| 17447606101010000 | FORT PECK INDIAN RESERVATION | — | Unincorporated | 727.72 | — |
| 17436807302020000 | FERDINA JAY & SHELLY | — | Unincorporated | 716.93 | $130,320 |
| 0 | — | — | Unincorporated | 689.11 | — |
Download Roosevelt County parcel data
All 12,245 parcels in Roosevelt County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Roosevelt County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Roosevelt County?
The Roosevelt County assessor roll on file records 12,245 parcels across 7 communities, with 75.7% lying outside any incorporated place.
Who owns the most land in Roosevelt County?
FORT PECK INDIAN RESERVATION holds 958 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Roosevelt County?
Measured from mapped boundaries, the median parcel is 40.4 acres, and nine parcels in ten are under 320.5 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Roosevelt County is owned from out of state?
11.8% of parcels list an owner mailing address outside MT, per the county’s own records.
How much of Roosevelt County is government-owned?
Government entities — federal, state, and local — hold 6.9% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Roosevelt County assessor roll dated March 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 (7)
12,245 parcels across 7 communities in Roosevelt County.