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Boulder city, Montana Demographics & Population 2026

As of 2026, Boulder city, Montana has a total population of 1,326, the 81st largest city in Montana, with a median household income of $61,250, which is 12% lower than the state average. The poverty rate is 8.7%.

Boulder city Quick Facts

Population 1,326
Median Household Income $61,250
Median Home Value $194,800
Poverty Rate 8.7%
Unemployment Rate 6.5%
Median Age 40.8 years
Homeownership Rate 71.1%
Affordability Ratio 3.2x
Bachelor's Degree or Higher 26.5%
High School Graduation Rate 92.1%
Diversity Index 16/100
Population 1,326 81st of 470
Median Income $61,250 average
Poverty Rate 8.7% 30% lower national
Median Home Value $194,800 below average

How Boulder city Compares

Economy & Housing

Employment

6.5% Unemployment Rate State: 3.8% | National: 5.2%
62.2% Labor Force Participation

Housing Overview

Owner 71.1%
Renter 28.9%
Affordability Index Affordable
3.2x home value to income ratio

People & Demographics

Diversity Index

16out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 28 | National average: 60

Education

Boulder city Rankings in Montana

#81 Population of 470
#165 Median Income of 470
#175 Education of 470
#203 Home Value of 470

Explore Montana Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to Boulder city

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Fort Belknap Agency CDP1,434N/A$73,00011.3%35.9%
Bonner-West Riverside CDP1,445$59,609$162,10023.5%14.7%
West Yellowstone town1,457$57,167$402,60026.7%12.2%
Sun Prairie CDP1,514$61,004$156,80023.9%9.3%
Fort Benton city1,470$67,171$201,90029.1%2.9%

Population Overview

Boulder city is a small community located in Montana. The total population is 1,326. It ranks as the 81st most populous out of 470 cities and towns in Montana.

Age Demographics

The median age in Boulder city is 40.8 years. This is 1% higher than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Boulder city is $61,250. This is 12% lower than the state median of $69,922. Compared to the national median of $78,538, household income here is 22% lower. The poverty rate stands at 8.7%. This is 28% lower than the state poverty rate of 12.0%. The unemployment rate is 6.5%. This is 72% higher than the state rate of 3.8%. The median home value is $194,800. Housing costs are 42% lower than the state median of $338,100. The home-value-to-income ratio is 3.2x. 71.1% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 69.4%.

Race & Ethnicity

Boulder city has a predominantly White (non-Hispanic) population, comprising 91.5% of all residents. Hispanic or Latino residents account for 2.0%. The Hispanic or Latino population (2.0%) is well below the state average of 4.4%.

Education

26.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% lower than the state rate of 34.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.1%.

Data Sources & Methodology

All demographic data for Boulder city, Montana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Montana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 470 Census-designated places in Montana. For official data, visit data.census.gov.

Free data download: Get all Montana city and county demographics as CSV. Download Cities CSV | Download Counties CSV

Frequently Asked Questions

What is the population of Boulder city, Montana?

Boulder city, Montana has a population of 1,326 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Boulder city, MT?

The median household income in Boulder city is $61,250, which is 22% lower the national median of $78,538.

What is the poverty rate in Boulder city, MT?

The poverty rate in Boulder city is 8.7%. This means approximately 113 residents live below the federal poverty line.

What is the racial makeup of Boulder city, Montana?

Boulder city's population is 91.5% White, 0.0% Black, 2.0% Hispanic/Latino, and 0.0% Asian.

What is the median home value in Boulder city, MT?

The median home value in Boulder city is $194,800. The home-value-to-income ratio is 3.2x.

How educated is Boulder city, Montana?

26.5% of adults (25+) in Boulder city hold a bachelor's degree or higher, and 9.6% hold a graduate or professional degree.