Boulder, MT demographics:
population, income, and more

Total population
1,284
-3.2% year-over-year change
Median household income
$72,500/yr
18.4% year-over-year change
Housing units
552
-5.6% year-over-year change

Boulder population

How many people live in Boulder

Boulder is home to 1,284 residents, according to the most recent Census data. Gender-wise, 55.6% of Boulder locals are male, and 44.4% are female.

Total population
1,284
-3.2% year-over-year change
Gender ratio
Male
55.6%
714
Female
44.4%
570
Value Percent YoY change
Male 714 55.6% -0.4%
Female 570 44.4% -6.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Boulder is 41, with the population distributed as follows: about 15.8% are children under 15, then 11.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 29.4% of the population, while another 23.8% fall into the 45 to 64 bracket. Finally, around 19.8% are 65 or older.

Median age
41.4
Age breakdown
Under 15
15.8%
15 to 24
11.2%
25 to 44
29.4%
45 to 64
23.8%
Over 65
19.8%
Value Percent YoY change
Under 15 203 15.8% -8.1%
15 to 24 144 11.2% -25.8%
25 to 44 378 29.4% -6.4%
45 to 64 305 23.8% -14.1%
Over 65 254 19.8% 67.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Boulder, 98.4% of the population are US-born citizens, while 1.6% have gained naturalized citizenship. There’s also a share of 2.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.4%
Non-U.S.-born citizens
1.6%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 1,263 98.4% -3.8%
Non-U.S.-born citizens 21 1.6% 61.5%
Racial breakdown
White
91.2%
Black or African American
0%
American Indian and Alaska Native
3.6%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.7%
Other
2.5%
Value Percent
White 1,171 91.2%
American Indian and Alaska Native 46 3.6%
Two or more races 35 2.7%
Other 32 2.5%

Households in Boulder

A peek inside Boulder households

Boulder has 520 households, with an average of 2 members in each. Of these, 64.4% are families, while the remaining 35.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
520
-1.1% year-over-year change
Average people per household
2
Non-family households
185
Family households
335
Value Percent YoY change
Non-family households 185 35.6% -18.1%
Family households 335 64.4% 11.7%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Boulder

The housing landscape of Boulder

Boulder's housing consists of 552 units, with 76.3% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 18.7% of the housing landscape.

Housing units
552
-5.6% year-over-year change
Housing types
Value Percent
1 unit, detached 421 76.3%
10 to 19 units 11 2%
Mobile home 103 18.7%
Boat, RV, van, etc. 17 3.1%
Homes built since 2020
0
% year-over-year change

The age of buildings in Boulder

In Boulder, the median construction year is 1971. About 18.5% of homes were built before the 1940s, with another 4.4% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 102 18.5% 0.0%
Built between 1940 and 1949 24 4.4% -33.3%
Built between 1950 and 1959 59 10.7% -20.3%
Built between 1960 and 1969 81 14.7% 58.8%
Built between 1970 and 1979 125 22.6% -20.4%
Built between 1980 and 1989 58 10.5% 141.7%
Built between 1990 and 1999 19 3.4% 26.7%
Built between 2000 and 2009 68 12.3% -28.4%
Built between 2010 and 2019 16 2.9% -48.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Boulder occupancy rates

Out of the 520 occupied housing units in Boulder, 73.3% are owner-occupied, while 26.7% are lived in by tenants. Meanwhile, 5.8% of all homes on the local market sit vacant.

Occupied housing units
520
-1.1% year-over-year change
Occupancy breakdown
Renter occupied
139
Owner occupied
381
Value Percent YoY
change
Renter occupied 139 26.7% -8.6%
Owner occupied 381 73.3% 1.9%
Unoccupied housing units
5.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Boulder housing costs

Housing costs in Boulder come to a median of $764 per month, while tenants specifically pay a median gross rent of $928.

Median housing costs per month
$764/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Boulder
$928/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Boulder

Boulder education at a glance

About 33.3% of the population in Boulder went to high school, while 30.4% pursued college studies. Another 7.7% earned an associate degree and 8.8% hold a bachelor’s. Meanwhile, 11.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 85 8.3% 37.1%
High school diploma 341 33.3% 21.4%
College diploma 311 30.4% -6.0%
Associate degree 79 7.7% -32.5%
Bachelor's degree 90 8.8% -41.6%
Graduate degree 117 11.4% 34.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Boulder

How much people earn in Boulder

The average annual household income in Boulder was $86,175 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +8.1% change from the previous year. At the same time, the median income stood at $72,500, reflecting a +18.4% shift over the same period.

Average household income in Boulder
$86,175/year
8.1% year-over-year change
Median household income in Boulder
$72,500/year
18.4% year-over-year change

Boulder income by age

In Boulder, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $98,155. Those with someone between 45 and 64 in charge, often well established professionally, earn $100,278 overall. Overall, 96.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $98,155 29.0%
45 - 64 $100,278 44.5%
Over 65 $42,396 -14.9%
Above poverty level
1,204
Below poverty level
47
Value Percent YoY
change
Above poverty level 1,204 96.2% 1.8%
Below poverty level 47 3.8% -58.4%

Average renter income in Boulder

To get a better sense of what renters earn on average in Boulder, their median household income was $41,953 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 26.5%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$41,953
Rent-to-income ratio
26.5%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Boulder

Workforce and job types in Boulder

The job market in Boulder is powered by 565 working residents, spread across a range of industries and roles. 79.1% of the working population are employed in professional or administrative positions, while 20.9% are in hands-on or service-based jobs. Also, 9.7% run their own businesses, 41.4% are employed by private companies, and 29.4% work in the public sector.

Workforce demographics

Working population
565
-9.3% year-over-year change
White collar
447
Blue collar
118
Value Percent YoY change
White collar 447 79.1% -0.9%
Blue collar 118 20.9% -31.4%
Employer type
Self employees
9.7%
Private companies
41.4%
Governmental workers
29.4%
Not for profit companies
19.5%
Value Percent YoY change
Self employees 55 9.7% 89.7%
Private companies 234 41.4% -29.7%
Governmental workers 166 29.4% 9.9%
Not for profit companies 110 19.5% 0.0%
Unemployment rate
6.9%
-2.3% year-over-year change

Available workforce

The unemployment rate in Boulder stands at 6.9%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Boulder

How people get around in Boulder

Commuting methods vary: 80.1% of residents travel by personal vehicle and 9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 446 80.1% -11.9%
Walk 50 9% 21.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Boulder by zipcode?

Zipcode Population Number of households Median income Average income
59632 2,557 989 $68,750 $96,531

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FAQs about Boulder demographics 

What is the total population of Boulder?

Boulder has a total population of 1,284 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -3.2% compared to a year ago.

What is the gender ratio in Boulder?

The gender ratio in Boulder is as follows:
  • 55.6% males (714 residents)
  • 44.4% females (570 residents)

What is the median age in Boulder?

The median age in Boulder is 41.4.

What is the age distribution of the population in Boulder?

The age distribution in Boulder is as follows:
  • Under 15: 15.8% (203 residents)
  • Ages 15-24: 11.2% (144 residents)
  • Ages 25-44: 29.4% (378 residents)
  • Ages 45-64: 23.8% (305 residents)
  • Over 65: 19.8% (254 residents)

What is the racial and ethnic makeup of Boulder?

The racial and ethnic makeup of Boulder is as follows:
  • White: 91.2% (1,171 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 3.6% (46 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 2.7% (35 residents)
  • Other: 2.5% (32 residents)

What percentage of the population in Boulder are U.S.-born citizens?

U.S.-born citizens represent 98.4% of the population in Boulder.

How many housing units are there in Boulder?

There are 552 housing units in Boulder, reflecting a -5.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Boulder and what is the average household size?

Boulder has a total of 520 households, with an average of 2 people in each.

What is the median household income in Boulder?

Boulder has a median household income of $72,500, representing a +18.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Boulder?

The employment rate is 93.1% in Boulder, with a workforce of 565 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 79.1% (447 residents)
  • Blue-collar workers: 20.9% (118 residents)

Places of employment:
  • Self-employed: 9.7% (55 residents)
  • Private companies: 41.4% (234 residents)
  • Governmental workers: 29.4% (166 residents)
  • Not-for-profit companies: 19.5% (110 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025