Boulder

City in Jefferson County, Montana

View of Boulder, Montana
Photo: Finetooth · CC BY-SA 3.0

Boulder is a city in Jefferson County, Montana, with 1,201 residents (2020 Census). It sits at 4,908 ft (1,496 m) above sea level. The nearest town is Basin, 8.6 miles W.

About Boulder

Boulder is a town in and the county seat of Jefferson County, Montana, United States. It is on the north bank of the Boulder River between Butte and Helena, slightly east of the Continental Divide, at the intersection of Interstate 15 and Montana Highway 69. The population was 1,201 at the 2020 census. It is part of the Helena Micropolitan Statistical Area, which includes all of Lewis and Clark and Jefferson counties; its population is 83,058 according to the 2020 Census.

Established in the 19th century as a stagecoach station, Boulder grew into a regional trading center for farmers, ranchers, and miners and, by the end of that century, home to state schools for the deaf, blind and developmentally disabled. In the 21st century, it is the center of government in Jefferson County, and institutions based in the town offer services for disabled adults and troubled youths. Its library system serves about 10,000 people, and its high school district covers more than 1,000 square miles (2,600 km2). Three buildings in Boulder are listed on the National Register of Historic Places.

Text: Wikipedia · CC BY-SA 4.0

Boulder weather: 7-day forecast

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Source: National Weather Service (NOAA).

Live webcams in Boulder

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Living in Boulder

Median household income
$72,500
Median home value
$212,300
Median rent
$928/mo
Median age
41.4
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Map of Boulder

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Boulder, MT population

Boulder had 1,201 residents in the 2020 Census.

2020 Census1,201
Density1,068 per sq mi (412 per km²)

Source: U.S. Census Bureau, Decennial Census.

Boulder at a glance

StateMontana (MT)
CountyJefferson County
TypeCity
Population1,201 (2020)
Land area1.12 sq mi (2.9 km²)
Elevation4,908 ft (1,496 m)
Coordinates46.2358° N, 112.1197° W
ZIP code59632
Census code (GEOID)3008575

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Boulder

Straight-line distance between town centers.

Frequently asked questions about Boulder

What county is Boulder in?

Boulder is in Jefferson County, Montana.

What is the population of Boulder, MT?

1,201 people lived in Boulder at the 2020 Census.

What is the ZIP code of Boulder, MT?

The ZIP code of Boulder is 59632.

What is the elevation of Boulder?

4,908 feet (1,496 m) above sea level.

What towns are near Boulder?

Basin (8.6 mi), Elkhorn (8.8 mi), Jefferson City (10.7 mi), Clancy (15.8 mi), Rimini (18.8 mi).

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