City · Jefferson County, Montana
Boulder, Montana
Boulder is a city in Jefferson County, Montana, part of the Helena, MT metro area. It has 1,284 residents. Boulder, Montana has a quality-of-life score of 77 out of 100 (high), ranking #3,576 of 15,651 US cities and towns. Within Montana it ranks #38 of 94 cities and towns. It ranks best on preventable hospital stays (low), drug overdose deaths (low) and high school diploma or higher (high). It ranks worst on traffic deaths (high), public EV charging ports (low) and distance to an Amtrak station (high).
- Quality-of-life score
- #3,576 of 15,651 cities and towns
- Montana
- #38 of 94 in MT
- Population
- 1,284 (2020-2024)
- Land area
- 1 mi²
- Density
- 1,142.1 /mi²
- FIPS code
- 3008575
Percentile-based score (100 is the best in the country) from 72 of 80 indicators, with the default “Explorer” weights.
Scores by category
Each category averages its indicators' percentile scores among US cities and towns.
- Safety36#10,076/15,637
- Economy68#4,983/15,631
- Housing93#1,060/14,977
- Health53#7,265/15,609
- Healthcare38#9,709/15,650
- Environment63#5,771/15,453
- Education83#2,595/15,649
- Infrastructure65#5,549/15,650
- Community81#3,027/15,651
- Leisure & amenities80#3,076/15,651
Strengths · Weaknesses
Indicators where Boulder, Montana ranks highest and lowest among US cities and towns (score = percentile, 100 = best). Values marked “Jefferson County value” are the county’s: the source publishes no figure for this city or town, and the county holding most of its residents stands in.
Strengths
- Preventable hospital stays · low1,160 /100k99/100Montana 1,824 /100kUnited States 2,769 /100k2023University of Wisconsin Population Health InstituteJefferson County value
- Drug overdose deaths · low0.0 /100k99/100Montana 14.5 /100kUnited States 18.4 /100kMar 2025–Feb 2026Centers for Disease Control and PreventionProvisional dataJefferson County value
- High school diploma or higher · high90.0%
- Voter turnout · high82.7%
- Public libraries · high3.0 /10k96/100Montana 1.0 /10kUnited States 0.5 /10k2024Institute of Museum and Library ServicesJefferson County value
- Loneliness · low29.5%96/100Montana 31.7%United States 33.2%2023Centers for Disease Control and PreventionModel-based estimate
Weaknesses
- Traffic deaths · high59.6 /100k1/100Montana 19.4 /100kUnited States 12.3 /100k2020-2024National Highway Traffic Safety AdministrationProvisional dataJefferson County value
- Public EV charging ports · low0.0 /10k
- Distance to an Amtrak station · high154 mi4/100Montana 117 miUnited States 43 mi2026Federal Aviation Administration · Bureau of Transportation Statistics · U.S. Census BureauJefferson County value
- Suicide rate · high27.1 /100k6/100Montana 30.3 /100kUnited States 14.1 /100k2023Centers for Disease Control and PreventionModel-based estimateJefferson County value
- Distance to an emergency room · high15.1 mi7/100Montana 12.2 miUnited States 5.5 miJul 2026Centers for Medicare & Medicaid ServicesJefferson County value
- Comfortable days · low23.3%10/100Montana 22.7%United States 26.8%2016-2025NOAA National Centers for Environmental InformationJefferson County value
Trends
The largest changes over about five years, next to the country's over the same periods.
- PopulationRising
869 (2015-2019) → 1,284 (2020-2024)
+48%5 yearsCensus table B01003US 328,329,953 → 340,003,797
- Broadband subscriptionsImproving
57.4% (2015-2019) → 94.4% (2020-2024)
+37 pts5 yearsCensus table B28002US 82.7% → 91.0%
- Rent-burdened householdsImproving
35.2% (2015-2019) → 12.2% (2020-2024)
−23 pts5 yearsCensus table B25070US 49.6% → 51.1%
- Child poverty rateImproving
18.6% (2015-2019) → 0.0% (2020-2024)
−19 pts5 yearsCensus table B17001US 16.8% → 15.5%
- Poverty rateImproving
20.6% (2015-2019) → 3.8% (2020-2024)
−17 pts5 yearsCensus table B17001US 12.3% → 12.1%
- Median household incomeImproving
$42,454 (2015-2019) → $72,500 (2020-2024)
+71%5 yearsCensus table B19013US $65,712 → $81,604
What changed in five years
How each measure moved between two periods about five years apart, read against whether more or less is better, the published margin of error and the same change in other places.
Cities and towns like Boulder, Montana five years ago that improved
The places whose measures looked most like those of Boulder, Montana in the earlier period, ranked by how many measures improved beyond the margin of error, minus how many declined. A comparison of published data, not a forecast and not advice.
Who lives here
Age, race and education of residents, from the American Community Survey. Shares are of all residents (age), residents of every origin (race) or adults 25 and over (education).
Income
How household income is spread, not just the middle: each bar is the share of households in that income range.
Homes
Who owns and who rents, what homes cost, and what the housing stock looks like.
Getting to work
How workers travel to their job and how long it takes them.
Jobs and pay
What the largest occupations here pay, from the Bureau of Labor Statistics' Occupational Employment and Wage Statistics survey.
The Bureau of Labor Statistics publishes pay by metro area, not by county or city. The metro area page lists its largest occupations and lets you look up any job.
Pay in the Helena, MTLocal businesses
Employer businesses and sole proprietors by industry, per resident and against the state and the nation. Counts of businesses next to counts of people, not a measure of demand.
Federal contracts performed here
Grants and other federal assistance are counted by county here, not split among cities: Boulder is mostly in Jefferson County.
See federal money in Jefferson CountyRepresentation in Congress
Members serving today, with their record in the current Congress (party-unity votes cast with their caucus, roll calls missed). Not a grade.
County
A city can lie in several counties. Some indicators are published for counties only: the page marks them.
Metro area
The metro or micro area the city belongs to.
Other cities and towns in Jefferson County
Largest first.
Similar cities and towns
Closest indicator profiles across the country (no model: score distances).
Data and sources
Latest published value of each indicator; periods differ by source. Values flagged by their publisher are marked.
- PLACES: Local Data for Better HealthCenters for Disease Control and Prevention · release 2025
- Local Area Unemployment StatisticsU.S. Bureau of Labor Statistics · release 2025
- American Community Survey 5-Year EstimatesU.S. Census Bureau · release 2017-2024
- Building Permits SurveyU.S. Census Bureau · release 2026-08
- Population Estimates ProgramU.S. Census Bureau · release 2025
- Small Area Health Insurance EstimatesU.S. Census Bureau · release 2024
- Small Area Income and Poverty EstimatesU.S. Census Bureau · release 2024
- County Health Rankings & RoadmapsUniversity of Wisconsin Population Health Institute · release 2022-2025+2026-03-supplement