Jefferson Island, Montana

Jefferson Island: Located in Madison County at an elevation of 4,272 feet, this unincorporated community lies along the Jefferson River in southwestern Montana.

About

Jefferson Island is a city located in the county of Madison in the U.S. state of Montana.

Quick Facts about Jefferson Island

State Montana (United States)
County Madison County
Latitude & Longitude 45.8508,-111.9405
Time Zone America/Denver
Local time 08:41:09 (6th November 2026)
Weather 27℉ Partly Cloudy 7-days weather

Geography

Jefferson Island is located at 45°51'3"N 111°56'26"W (45.8507600, -111.9405400).

Jefferson Island map

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Weather

27°F
Partly Cloudy
6 mph WSW Tonight

Partly cloudy, with a low around 27. West southwest wind around 6 mph.

7-Day Forecast

Nearby Schools and Colleges

Schools and campuses linked to Jefferson Island, MT. Select a name to open its map and contact details.

Code Name City ZIP
180081 Highlands College of Montana Tech Butte (MT) 59701
180063 Butte Academy of Beauty Culture Butte (MT) 59701
180416 Montana Technological University Butte (MT) 59701-8997

Nearby Transit Stations (3)

Rail and bus stations connected to Jefferson Island, MT. Select a station to open its map and address details.

Code Name Address Type
BUT Butte, MT 1324 Harrison Avenue BUS
BOZ Bozeman, MT 6505 Jack Rabbit Lane BUS
LVG Livingston, MT 1404 East Park Street \r\n BUS

Closest post offices linked to Jefferson Island.

Post Office Name City ZIP
Cardwell Post Office Cardwell (MT) 59721

Other cities in Madison County

Cities, towns, neighborhoods & other populated places in Madison County , MT.

City Name Population Title
Ennis 1,042 Town in Madison County, Montana, United States