How many bedrooms do homes in Diamond Bar, CA have?

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

In Diamond Bar, CA, 5.1% of homes are studios or one-bedrooms and 77.8% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 4 bedrooms, 38.7% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 5.1%
3 or more bedrooms: 77.8% (±4.1 points)
Most common: 4 bedrooms

Homes in Diamond Bar by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Diamond Bar	Los Angeles County	California	United States
No bedroom (studio)	2.7% (±1.7 points)	7.6%	5.0%	2.9%
1 bedroom	2.4% (±0.8 points)	18.9%	13.2%	10.9%
2 bedrooms	17.0% (±2.3 points)	29.7%	26.9%	25.0%
3 bedrooms	29.0% (±2.5 points)	27.7%	32.8%	38.7%
4 bedrooms	38.7% (±2.8 points)	12.5%	17.6%	17.5%
5 or more bedrooms	10.1% (±1.6 points)	3.5%	4.5%	4.9%

In Diamond Bar, 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 Diamond Bar

Nearest places with a published estimate, compared with Diamond Bar
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Diamond Bar	—	77.8% (±4.1 points)	—
Walnut	3.3 mi	93.7% (±5.5 points)	Higher
Rowland Heights	4.7 mi	74.3% (±4.4 points)	Not measurably different
South San Jose Hills	5.0 mi	77.7% (±7.3 points)	Not measurably different
Pomona	5.1 mi	53.7% (±2.3 points)	Lower
Brea	5.9 mi	62.1% (±4.0 points)	Lower
West Covina	6.5 mi	68.0% (±2.6 points)	Lower
Chino Hills	6.6 mi	79.3% (±3.4 points)	Not measurably different
Valinda	7.0 mi	82.2% (±6.3 points)	Not measurably different

Nearby places with a measurably lower figure: Pomona, CA (53.7%), Brea, CA (62.1%), West Covina, CA (68.0%).

Nearby places with a measurably higher figure: Walnut, CA (93.7%).

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
24	Valinda	82.2% (±6.3 points)
25	Littlerock	81.8% (±25.0 points)
26	Rancho Palos Verdes	80.2% (±4.6 points)
27	Acton	78.7% (±10.2 points)
28	Agoura Hills	78.6% (±6.6 points)
29	La Mirada	78.3% (±3.9 points)
30	Diamond Bar	77.8% (±4.1 points)
31	South San Jose Hills	77.7% (±7.3 points)
32	Val Verde	77.6% (±17.8 points)
33	Palmdale	77.4% (±2.6 points)
34	Stevenson Ranch	75.9% (±7.5 points)
35	Rowland Heights	74.3% (±4.4 points)
36	Westlake Village	74.1% (±9.0 points)

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

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 Diamond Bar

What is the most common home size in Diamond Bar?

The most common size is 4 bedrooms, 38.7% of homes in Diamond Bar, CA.

How many studios and one-bedroom homes are in Diamond Bar?

5.1% of homes in Diamond Bar have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Diamond Bar city, 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 Diamond Bar city, California (place:19192, 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.