Jefferson County, Montana property search
Search an address or an owner in Jefferson County, Montana with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 13,280 lots are mapped here, covering 1,061,015 acres. 2,660 of them are held by institutions rather than by individuals.
Farmers and landowners in Jefferson County received $825,000 in federal farm program payments in 2025, paid to 66 recipients. 7,110 acres of agricultural land here are disclosed as foreign-held, the most by owners from Canada. Crop insurance paid $457,000 in claims for the 2024 crop year.
- 13,280
- Lots mapped
- 1,061,015
- Acres
- 2,660
- Institutional
Land use in Jefferson County
Parcels and acreage by land use in Jefferson County, Montana| Land use | Parcels | Acres |
|---|
| Improved Property | 5,917 | 110,606 |
|---|
| Vacant Land | 4,200 | 330,010 |
|---|
| Exempt Property | 1,925 | 594,310 |
|---|
| Mining Claim | 678 | 10,799 |
|---|
| Industrial Property | 153 | 6,376 |
|---|
| Non-Valued Property | 69 | 362 |
|---|
| CN - Centrally Assessed Non-Valued Property | 35 | 302 |
|---|
| Apartment | 28 | 28 |
|---|
| Mobile/RV Parks | 20 | 207 |
|---|
| Gravel Pit | 10 | 1,628 |
|---|
| Partial Exempt Property | 10 | 50 |
|---|
| Non-Valued with Specials | 2 | 7 |
|---|
Largest landowners in Jefferson County
Largest landowners by acreage in Jefferson County, Montana| Owner | Parcels | Acres |
|---|
| MULVEY GULCH RANCH LLC | 138 | 44,151 |
|---|
| STATE OF MONTANA | 119 | 36,167 |
|---|
| NR & EJ LIMITED PARTNERSHIP | 156 | 20,739 |
|---|
| JOHN CAREY RANCH | 41 | 17,996 |
|---|
| KOUNTZ-SPIRE ROCK LLC | 91 | 13,618 |
|---|
| TOMAHAWK LLC | 20 | 9,960 |
|---|
| CAREY BROTHERS PARTNERSHIP | 32 | 9,920 |
|---|
| GOLDEN SUNLIGHT MINES INC | 114 | 9,350 |
|---|
| BULL MOUNTAIN GRAZING COMPANY | 13 | 8,468 |
|---|
| KIMPTON RANCH COMPANY | 18 | 7,285 |
|---|
Companies, trusts and public agencies, ranked by acres held under the name on the assessor's file. Private individuals are not ranked. Largest landowners in Montana
Federal farm payments in Jefferson County
- $825K
- Paid in 2025
- 66
- Recipients
Federal farm program payments by program in Jefferson County, Montana, 2025| Program | Paid |
|---|
| Emergency Livestock Relief Program 2023-24 | $449K |
|---|
| Livestock Forage Program | $223K |
|---|
| Livestock Forage Disaster Program | $131K |
|---|
| Emergency Commodity Assistance Program | $13K |
|---|
| Supplemental Disaster Relief Non-Spec Crops | $9K |
|---|
USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county
Foreign-held farmland in Jefferson County
- 7,110
- Acres disclosed
- 18
- Holdings
Foreign-held agricultural land by country in Jefferson County, Montana, 2024| Country | Acres |
|---|
| Canada | 7,098 |
|---|
| United Kingdom | 12 |
|---|
Largest disclosed holders
Largest foreign holders of agricultural land in Jefferson County, Montana| Holder (country) | Acres |
|---|
| GOLDEN SUNLIGHT MINES, INC. (CANADA) | 7,098 |
|---|
| HANSON NATURAL RESOURCES CO. (UNITED KINGDOM) | 12 |
|---|
USDA Agricultural Foreign Investment Disclosure Act filings, holdings at the end of 2024. Only disclosed interests are counted. See foreign-owned farmland by county
Crop insurance in Jefferson County
- 15
- Policies
- 55,976
- Insured acres
- $457K
- Claims paid
- 1.30
- Loss ratio
Crop insurance claims by crop in Jefferson County, Montana, 2024| Crop | Claims |
|---|
| All Other Crops | $457K |
|---|
USDA Risk Management Agency Summary of Business, 2024 crop year.
Conservation and the power grid
- 473
- CRP acres, 2025
- 15
- Substations
- 115 kV
- Highest voltage
Conservation Reserve Program acres under contract (USDA FSA). Substations in service, from a public copy of the federal HIFLD layer.
Find out who owns a property in Jefferson County by address, free, or work out a lot's acreage.
Jefferson County last published these records on August 4, 2026. Assessment records, not a survey.