How many bedrooms do homes in Altadena, CA have?

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

In Altadena, CA, 7.6% of homes are studios or one-bedrooms and 65.3% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 3 bedrooms, 48.1% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 7.6%
3 or more bedrooms: 65.3% (±3.8 points)
Most common: 3 bedrooms

Homes in Altadena by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Altadena	Los Angeles County	California	United States
No bedroom (studio)	1.5% (±0.7 points)	7.6%	5.0%	2.9%
1 bedroom	6.1% (±1.5 points)	18.9%	13.2%	10.9%
2 bedrooms	27.1% (±2.6 points)	29.7%	26.9%	25.0%
3 bedrooms	48.1% (±2.8 points)	27.7%	32.8%	38.7%
4 bedrooms	13.5% (±2.3 points)	12.5%	17.6%	17.5%
5 or more bedrooms	3.7% (±1.1 points)	3.5%	4.5%	4.9%

In Altadena, the share of homes with three or more bedrooms is higher than in Los Angeles County (43.7%).

It is also higher than in California (54.9%).

It is higher than the national figure (61.1%).

Homes with 3 or more bedrooms in places near Altadena

Nearest places with a published estimate, compared with Altadena
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Altadena	—	65.3% (±3.8 points)	—
Pasadena	2.2 mi	34.6% (±1.5 points)	Lower
La Cañada Flintridge	3.9 mi	87.5% (±5.9 points)	Higher
San Pasqual	4.1 mi	49.6% (±9.2 points)	Lower
San Marino	5.0 mi	94.1% (±9.0 points)	Higher
East Pasadena	5.1 mi	58.4% (±10.6 points)	Not measurably different
Sierra Madre	5.1 mi	51.0% (±7.2 points)	Lower
South Pasadena	5.9 mi	41.1% (±4.1 points)	Lower
East San Gabriel	6.1 mi	57.6% (±5.6 points)	Lower

Nearby places with a measurably lower figure: Pasadena, CA (34.6%), San Pasqual, CA (49.6%), Sierra Madre, CA (51.0%).

Nearby places with a measurably higher figure: La Cañada Flintridge, CA (87.5%), San Marino, CA (94.1%).

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

Homes with 3 or more bedrooms across Los Angeles County, place by place

Rank	Place	Homes with 3 or more bedrooms
54	San Dimas	67.1% (±5.2 points)
55	Calabasas	66.4% (±5.5 points)
56	Manhattan Beach	66.2% (±4.3 points)
57 (tie)	Claremont	66.1% (±4.8 points)
57 (tie)	Temple City	66.1% (±4.5 points)
59	East Whittier	65.4% (±6.4 points)
60	Altadena	65.3% (±3.8 points)
61	West Rancho Dominguez	65.2% (±6.0 points)
62	Arcadia	63.7% (±4.4 points)
63	Charter Oak	63.0% (±10.8 points)
64	Duarte	62.9% (±6.2 points)
65	La Verne	62.7% (±4.7 points)
66	Malibu	62.3% (±6.9 points)

Showing 13 of 140 places in Los Angeles County, ranked from highest to lowest.

Altadena is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

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 Altadena

What is the most common home size in Altadena?

The most common size is 3 bedrooms, 48.1% of homes in Altadena, CA.

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

7.6% of homes in Altadena have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Altadena CDP, California

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 Altadena CDP, California (place:01290, in state:06).

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.