How many bedrooms do homes in Ontario, CA have?

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

In Ontario, CA, 13.1% of homes are studios or one-bedrooms and 56.1% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 3 bedrooms, 31.3% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 13.1%
3 or more bedrooms: 56.1% (±2.5 points)
Most common: 3 bedrooms

Homes in Ontario by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Ontario	San Bernardino County	California	United States
No bedroom (studio)	3.3% (±0.6 points)	2.6%	5.0%	2.9%
1 bedroom	9.8% (±1.1 points)	8.2%	13.2%	10.9%
2 bedrooms	30.8% (±1.7 points)	25.2%	26.9%	25.0%
3 bedrooms	31.3% (±1.7 points)	36.6%	32.8%	38.7%
4 bedrooms	21.9% (±1.7 points)	22.3%	17.6%	17.5%
5 or more bedrooms	2.9% (±0.5 points)	5.0%	4.5%	4.9%

In Ontario, the share of homes with three or more bedrooms is lower than in San Bernardino County (63.9%).

It is not measurably different from California (54.9%).

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

Homes with 3 or more bedrooms in places near Ontario

Nearest places with a published estimate, compared with Ontario
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Ontario	—	56.1% (±2.5 points)	—
Chino	5.1 mi	69.7% (±3.3 points)	Higher
Eastvale	5.3 mi	91.8% (±6.0 points)	Higher
Montclair	5.8 mi	59.8% (±4.8 points)	Not measurably different
Upland	6.3 mi	58.3% (±2.7 points)	Not measurably different
Rancho Cucamonga	6.8 mi	67.3% (±2.5 points)	Higher
Jurupa Valley	8.2 mi	71.3% (±3.6 points)	Higher
Norco	8.3 mi	86.6% (±5.8 points)	Higher
Claremont	8.7 mi	66.1% (±4.8 points)	Higher

Nearby places with a measurably higher figure: Chino, CA (69.7%), Eastvale, CA (91.8%), Rancho Cucamonga, CA (67.3%).

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

Homes with 3 or more bedrooms across San Bernardino County, place by place

Rank	Place	Homes with 3 or more bedrooms
25	Montclair	59.8% (±4.8 points)
26	Yucaipa	59.7% (±4.5 points)
27	Upland	58.3% (±2.7 points)
28	Big River	56.4% (±8.1 points)
29 (tie)	Lucerne Valley	56.3% (±11.2 points)
29 (tie)	Mentone	56.3% (±9.4 points)
31	Ontario	56.1% (±2.5 points)
32	Fort Irwin	55.7% (±11.0 points)
33 (tie)	Barstow	54.9% (±5.3 points)
33 (tie)	Big Bear Lake	54.9% (±3.5 points)
35	Crestline	54.3% (±5.9 points)
36	San Bernardino	50.6% (±1.9 points)
37	Twentynine Palms	50.5% (±5.0 points)

Showing 13 of 47 places in San Bernardino 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 Ontario

What is the most common home size in Ontario?

The most common size is 3 bedrooms, 31.3% of homes in Ontario, CA.

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

13.1% of homes in Ontario have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Ontario 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 Ontario city, California (place:53896, 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.