How many bedrooms do homes in Boulder, MT have?

Name: Bedrooms in Boulder, MT, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

In Boulder, MT, 8.0% of homes are studios or one-bedrooms and 66.7% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 3 bedrooms, 49.5% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 8.0%
3 or more bedrooms: 66.7% (±14.5 points)
Most common: 3 bedrooms

Homes in Boulder by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Boulder	Jefferson County	Montana	United States
No bedroom (studio)	0.0% (±5.3 points)	1.2%	2.7%	2.9%
1 bedroom	8.0% (±7.0 points)	8.4%	10.3%	10.9%
2 bedrooms	25.4% (±9.9 points)	21.0%	25.7%	25.0%
3 bedrooms	49.5% (±11.4 points)	34.0%	36.5%	38.7%
4 bedrooms	13.8% (±7.9 points)	25.7%	17.3%	17.5%
5 or more bedrooms	3.4% (±4.3 points)	9.8%	7.5%	4.9%

In Boulder, the share of homes with three or more bedrooms is not measurably different from Jefferson County (69.5%).

It is not measurably different from Montana (61.3%).

It is not measurably different from the national figure (61.1%).

Homes with 3 or more bedrooms in places near Boulder

Nearest places with a published estimate, compared with Boulder
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Boulder	—	66.7% (±14.5 points)	—
Clancy	16 mi	82.8% (±17.2 points)	Not measurably different
Montana City	22 mi	82.3% (±11.5 points)	Not measurably different
Walkerville	24 mi	41.4% (±12.2 points)	Lower
Helena West Side	25 mi	63.7% (±21.8 points)	Not measurably different
Whitehall	25 mi	53.0% (±13.8 points)	Not measurably different
Helena	25 mi	47.4% (±3.9 points)	Lower
East Helena	26 mi	59.9% (±17.5 points)	Not measurably different
Helena Valley Southeast	29 mi	84.7% (±11.6 points)	Not measurably different

Nearby places with a measurably lower figure: Walkerville, MT (41.4%), Helena, MT (47.4%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes with 3 or more bedrooms across Jefferson County, place by place

Rank	Place	Homes with 3 or more bedrooms
1	Clancy	82.8% (±17.2 points)
2	Montana City	82.3% (±11.5 points)
3	Boulder	66.7% (±14.5 points)
4	Whitehall	53.0% (±13.8 points)

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Boulder

What is the most common home size in Boulder?

The most common size is 3 bedrooms, 49.5% of homes in Boulder, MT.

How many studios and one-bedroom homes are in Boulder?

8.0% of homes in Boulder have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Boulder city, Montana

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Boulder city, Montana (place:08575, in state:30).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0039PE, DP04_0039PM, DP04_0040PE, DP04_0040PM, DP04_0041PE, DP04_0041PM, DP04_0042PE, DP04_0042PM, DP04_0043PE, DP04_0043PM, DP04_0044PE, DP04_0044PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.