Cities & Towns in Jefferson County, MT

Jefferson County, county in Montana, United States. As of 2020 county had an estimated population of 12,360 inhabitants. The county was created 159 years ago in 1865. Its county seat is Boulder.

There are 4 city/town in Jefferson County, MT. The largest city of Jefferson County is Montana City with a population of 2,715. Other cities include, Clancy population 1,661, Boulder population 1,291 and Whitehall population 1,160

Montana City
Montana City

Montana City, Census designated place

Clancy

Clancy, Census designated place

Boulder

Boulder, Town in Montana

All Jefferson County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Jefferson County.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
City Name Title Population
Boulder Town in Montana 1,291
Clancy Census designated place 1,661
Montana City Census designated place 2,715
Whitehall Town in Jefferson County, Montana 1,160
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County Cities on Map (4)

Montana Counties (56)

Yellowstone County (162,990) Missoula County (121,630) Gallatin County (116,806) Flathead County (105,851) Cascade County (81,346) Lewis and Clark County (70,229) Ravalli County (45,002) Silver Bow County (35,180) Lake County (30,986) Lincoln County (20,343) Park County (16,760) Hill County (16,358) Glacier County (13,594) Big Horn County (13,063) Jefferson County (12,360) Sanders County (12,157) Custer County (11,292) Fergus County (11,104) Richland County (11,043) Roosevelt County (10,964) Carbon County (10,921) Stillwater County (9,888) Beaverhead County (9,483) Deer Lodge County (9,204) Madison County (8,959) Rosebud County (8,836) Dawson County (8,555) Valley County (7,359) Powell County (6,817) Blaine County (6,568) Broadwater County (6,444) Teton County (6,249) Pondera County (5,782) Chouteau County (5,699) Toole County (4,686) Musselshell County (4,669) Mineral County (4,544) Phillips County (3,919) Sweet Grass County (3,684) Granite County (3,317) Sheridan County (3,261) Fallon County (2,826) Liberty County (2,369) Wheatland County (2,157) Judith Basin County (1,994) Meagher County (1,831) Powder River County (1,681) McCone County (1,648) Daniels County (1,638) Garfield County (1,268) Carter County (1,235) Prairie County (1,067) Wibaux County (939) Golden Valley County (827) Treasure County (695) Petroleum County (500)