Jefferson County, Idaho property search
Search an address or an owner in Jefferson County, Idaho with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 17,927 lots are mapped here, covering 708,695 acres. 2,408 of them are held by institutions rather than by individuals.
Farmers and landowners in Jefferson County received $5.7 million in federal farm program payments in 2025, paid to 157 recipients. 4,878 acres of agricultural land here are disclosed as foreign-held, the most by owners from Canada. Crop insurance paid $13.6 million in claims for the 2024 crop year.
- 17,927
- Lots mapped
- 708,695
- Acres
- 2,408
- Institutional
Largest landowners in Jefferson County
Largest landowners by acreage in Jefferson County, Idaho| Owner | Parcels | Acres |
|---|
| STATE OF IDAHO | 46 | 16,848 |
|---|
| MICKELSEN PROPERTIES | 71 | 10,370 |
|---|
| L2 LLC | 37 | 6,297 |
|---|
| BROWN DELTA II LLC | 12 | 3,850 |
|---|
| HARTWELL FAMILY LLC | 14 | 3,434 |
|---|
| WILCOX BROTHERS LLC | 28 | 3,207 |
|---|
| SLEEPY SAGE FARM LLC | 12 | 3,084 |
|---|
| FOSTER COMPANY | 12 | 2,856 |
|---|
| B23 FARMS LLC | 22 | 2,784 |
|---|
| IDAHO FALLS FARMS LL | 8 | 2,532 |
|---|
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 Idaho
Federal farm payments in Jefferson County
- $5.7M
- Paid in 2025
- 157
- Recipients
Federal farm program payments by program in Jefferson County, Idaho, 2025| Program | Paid |
|---|
| Emergency Commodity Assistance Program | $2M |
|---|
| Marketing Assistance for Specialty Crops | $1.9M |
|---|
| Supplemental Disaster Relief Non-Spec Crops | $1.2M |
|---|
| Supplemental Disaster Relief Spec Crops | $589K |
|---|
| Agricultural Risk Coverage Program - County | $96K |
|---|
| CRP Payment - Annual Rental | $15K |
|---|
USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county
Foreign-held farmland in Jefferson County
- 4,878
- Acres disclosed
- 2
- Holdings
Foreign-held agricultural land by country in Jefferson County, Idaho, 2024| Country | Acres |
|---|
| Canada | 4,878 |
|---|
Largest disclosed holders
Largest foreign holders of agricultural land in Jefferson County, Idaho| Holder (country) | Acres |
|---|
| Jefferson South Farm, LLC (CANADA) | 3,036 |
|---|
| Larson Road Farm, LLC (CANADA) | 1,842 |
|---|
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
- 208
- Policies
- 138,139
- Insured acres
- $13.6M
- Claims paid
- 2.14
- Loss ratio
Crop insurance claims by crop in Jefferson County, Idaho, 2024| Crop | Claims |
|---|
| Whole Farm Revenue Protection | $8.9M |
|---|
| Wheat | $3.2M |
|---|
| Barley | $781K |
|---|
| Potatoes | $374K |
|---|
| Pasture,Rangeland,Forage | $210K |
|---|
USDA Risk Management Agency Summary of Business, 2024 crop year.
Conservation and the power grid
- 129
- CRP acres, 2025
- 30
- Substations
- 230 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.
This copy of Jefferson County's records was taken on August 12, 2026. Assessment records, not a survey.