Boulder, Montana
Boulder: Town in Montana
About
Boulder is a town located in the county of Jefferson in the U.S. state of Montana. Its population at the 2010 census was 1,183 and a population density of 406 people per km². After 10 years in 2020 city had an estimated population of 1,291 inhabitants.
Quick Facts about Boulder
| Population : | 1,291 (2020) |
| Country : | United States of America |
| State : | Montana (United States) |
| County : | Jefferson County |
| Postal code : | 59632 |
| Phone Area Codes : | 406 |
| Area : | 2.91 km2 |
| Altitude : | 4,908 feet / 1496 meters |
| Capital city : | Boulder is capital of Jefferson County |
| Time Zone : | Mountain Time Zone |
| Local time : | 04:07:58 (7th March 2026) |
| Density : | 443 Pop. per km² as of 2020 |
| Population growth : | 8.37% (2010-2020) |
Geography
Boulder is located at 46°14'12"N 112°7'15"W (46.2365900, -112.1208300).
Boulder map
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Demographics
The population of Boulder increased by 8.37% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 1,183 | - | census |
| 2011 | 1,178 | -0.42% | estimation process |
| 2012 | 1,179 | 0.08% | estimation process |
| 2013 | 1,194 | 1.26% | estimation process |
| 2014 | 1,202 | 0.67% | estimation process |
| 2015 | 1,211 | 0.74% | estimation process |
| 2016 | 1,236 | 2.02% | estimation process |
| 2017 | 1,248 | 0.96% | estimation process |
| 2018 | 1,265 | 1.34% | estimation process |
| 2019 | 1,276 | 0.86% | estimation process |
| 2020 | 1,291 | 1.16% | estimation process |
Boulder zip code is 59632.
County name: Jefferson, County
fips: 30043
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Schools in Boulder
College & universities near Boulder, MT
| Code | Name | City | ZIP |
|---|---|---|---|
| 180063 | Butte Academy of Beauty Culture | Butte (MT) | 59701 |
| 180106 | Carroll College | Helena (MT) | 59625-0002 |
| 180276 | Helena College University of Montana | Helena (MT) | 59601 |
| 180416 | Montana Technological University | Butte (MT) | 59701-8997 |
Stations (2)
Amtrak & bus stations near Boulder, MT
| Code | Name | Address | Type |
|---|---|---|---|
| BUT | Butte, MT | 1324 Harrison Avenue | BUS |
| BOZ | Bozeman, MT | 6505 Jack Rabbit Lane | BUS |
Post offices near Boulder
| Post Office Name | City | ZIP |
|---|---|---|
| Boulder Post Office | Boulder (MT) | 59632 |
Other cities in Jefferson County
Cities, towns, neighborhoods & other populated places in Jefferson County , MT.
| City Name | Population | Title |
|---|---|---|
| Montana City | 2,715 | Census designated place |
| Clancy | 1,661 | Census designated place |
| Whitehall | 1,160 | Town in Jefferson County, Montana |
Distance to Other Cities
Boulder distances to largest Montana cities
