Jefferson County, Montana: Farm & Ranch Directory
13 farm and ranch listings in Jefferson County, Montana, grouped by category below.
Events in Jefferson County
- Jefferson County Fair
Each year Boulder hosts its county fair, most recently Aug 19-23, 2026, in Jefferson County. Held each year; the most recent dates were Aug 19-23 with 4-H livestock and project showing.
Boulder, MT Official event details - Boulder 4-H Fair
Boulder 4-H fair in Jefferson County, Montana. Held each year; the most recent dates were Aug 19-23, 2026, on the MSU Extension summer fair calendar.
Boulder, MT | Organizer: MSU Extension Official event details - Jefferson County Fair and Rodeo
Late-summer NRA rodeo at Jefferson County Recreation Park in Boulder, held August 21-22 alongside the county fair. Held each year; the most recent dates were August 21-22, 2026.
Boulder, MT Official event details - Jefferson County 4-H Livestock Sale
Saturday of fair week in Boulder brings the 4-H livestock sale alongside the Main Street parade and beef barbecue, after 4-H livestock shows run on the Thursday opening day.
Boulder, MT | Organizer: Jefferson County 4-H Official event details
Agribusiness in Jefferson County
- Milligan Canyon Meats
Custom-exempt meat processor in Cardwell, Jefferson County, holding Montana Department of Livestock plant number 2234; it cuts and wraps livestock and game for the animal's owner rather than for retail sale.
Cardwell, MT - Montana City Meats
Custom-exempt meat processor in Montana City, Jefferson County, holding Montana Department of Livestock plant number 2366; it cuts and wraps livestock and game for the animal's owner rather than for retail sale.
Montana City, MT
Media & Press in Jefferson County
- Boulder Monitor
Newspaper based in Boulder covering Jefferson County news, schools, sports and local government, and a source of community and rural coverage for area farm and ranch families.
Boulder, MT Website
Organizations in Jefferson County
- Jefferson Valley Conservation District
Montana conservation district headquartered in Whitehall, part of the state network that supports private land stewardship and water quality efforts.
PO Box 890, USDA Building, Whitehall, MT 59759 | 406-287-7875 - Mile High Conservation District
Conservation district office in Whitehall, run by a locally elected board that assists farmers and ranchers with erosion, irrigation and range stewardship.
PO Box 890, USDA Building, Whitehall, MT 59759 | 406-287-7875 - MSU Extension Madison-Jefferson County Office
MSU Extension office for Madison-Jefferson County in Whitehall, offering local 4-H youth programs, ag and horticulture education, and Montana State University research-based guidance. The office is shared across Madison and Jefferson counties.
Whitehall, MT
Farmers Markets & Farm Stands in Jefferson County
- Boulder Farmers Market
Farmers market at Boulder City Park in Boulder, Jefferson County: Saturdays 9:30 a.m. to 1 p.m., June to September. Check the local organizer for current-season hours.
Boulder, MT - Whitehall Farmers Market, Produce & Crafts
Farmers market at Legion Street in Whitehall, Jefferson County: Saturdays 9 a.m. to noon, June to August. Check the local organizer for current-season hours.
Whitehall, MT
Ag Education in Jefferson County
- Whitehall FFA Chapter
Local FFA chapter in Whitehall, Jefferson County, one of the roughly 111 chapters in the Montana FFA Association.
Whitehall, MT
Helpful Guides for Jefferson County
- MSU Extension in Montana
What MSU Extension offers in Montana: county and reservation offices in 56 counties, soil and water testing, plant diagnosis, pesticide training, 4-H enrollment, animal quality assurance and fair entries.
- Montana Conservation Districts
How Montana's 58 conservation districts work: 310 stream permits, equipment rentals, tree and seed help, elected supervisors, funding, and how to find and contact your district.
- Montana County Fairs
A practical guide to Montana county fairs: 2026 season dates, 4-H, FFA and open class, interview judging, livestock rules, entry deadlines, premiums and the junior livestock sale.
- Major Montana Stock Shows and Rodeos
A guide to MontanaFair in Billings, the NILE Stock Show and Rodeo, and the Miles City Bucking Horse Sale: dates, junior livestock schedules, entry deadlines, health rules and where to go.
- Montana County Junior Livestock Shows
How Montana county junior livestock shows work: Quality Assurance, tagging deadlines, species weights for beef, sheep, goats and swine, showmanship, sale eligibility and brand inspection.
- Montana 4-H Events and Contests
How Montana 4-H works beyond the fair: Montana 4-H Congress dates, ages and registration, Pre-Congress, state contest rules, Roundup eligibility and the statewide 4-H calendar.