What kinds of homes are in San Dimas, CA?

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

San Dimas, CA has 12,370 (±483) homes (2020–2024 American Community Survey).

That is about 823 homes per square mile of land.

61.6% are detached single-family houses.

4.2% are in buildings of two to four units.

15.6% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 12,370 (±483)
Detached houses: 61.6%
2–4 unit buildings: 4.2%
5+ unit buildings: 15.6%

Homes in San Dimas by building size

Housing units by units in structure, 2020–2024
Building type	San Dimas	Los Angeles County	California	United States
Single-family, detached	61.6% (±3.2 points)	47.3%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	10.0% (±1.8 points)	6.6%	7.4%	6.2%
2 units	1.0% (±0.8 points)	2.6%	2.4%	3.4%
3 or 4 units	3.2% (±1.3 points)	5.9%	5.4%	4.3%
5 to 9 units	3.5% (±1.7 points)	7.8%	5.7%	4.5%
10 to 19 units	4.5% (±2.4 points)	7.6%	4.9%	4.3%
20 or more units	7.6% (±2.2 points)	20.5%	13.6%	10.3%
Mobile home	8.6% (±1.4 points)	1.6%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.3 points)	0.1%	0.1%	0.1%

In San Dimas, the share of homes in buildings of five or more units is lower than in Los Angeles County (35.9%).

It is also lower than in California (24.2%).

It is not measurably different from the national figure (19.1%).

Homes in buildings of 5 or more units in places near San Dimas

Nearest places with a published estimate, compared with San Dimas
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
San Dimas	—	15.6% (±3.7 points)	—
La Verne	2.4 mi	11.2% (±2.7 points)	Not measurably different
Charter Oak	2.8 mi	26.6% (±9.1 points)	Higher
Glendora	3.4 mi	13.3% (±1.9 points)	Not measurably different
Pomona	4.4 mi	21.2% (±1.8 points)	Higher
Covina	4.4 mi	25.7% (±3.1 points)	Higher
Citrus	4.8 mi	4.8% (±2.3 points)	Lower
Claremont	5.5 mi	16.3% (±3.4 points)	Not measurably different
Walnut	5.6 mi	2.6% (±1.1 points)	Lower

Nearby places with a measurably lower figure: Citrus, CA (4.8%), Walnut, CA (2.6%).

Nearby places with a measurably higher figure: Charter Oak, CA (26.6%), Pomona, CA (21.2%), Covina, CA (25.7%).

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

Homes in buildings of 5 or more units across Los Angeles County, place by place

Rank	Place	Homes in buildings of 5 or more units
67 (tie)	South Whittier	16.8% (±2.6 points)
69	Claremont	16.3% (±3.4 points)
70 (tie)	Lancaster	16.2% (±1.5 points)
70 (tie)	La Crescenta-Montrose	16.2% (±4.3 points)
72	Commerce	16.1% (±4.7 points)
73	Maywood	15.8% (±3.0 points)
74	San Dimas	15.6% (±3.7 points)
75	Rancho Palos Verdes	15.4% (±2.4 points)
76	Malibu	15.2% (±4.2 points)
77	Rowland Heights	15.1% (±2.5 points)
78	La Mirada	14.5% (±2.6 points)
79	Pico Rivera	14.0% (±2.3 points)
80	Lakewood	13.4% (±1.7 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 San Dimas

How many homes are in San Dimas?

San Dimas, CA has an estimated 12,370 (±483) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in San Dimas houses or apartments?

61.6% are detached houses and 10.0% attached houses, while 19.8% are in buildings of two or more units.

How many two-family and small multifamily homes are in San Dimas?

4.2% of homes in San Dimas are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — San Dimas 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 San Dimas city, California (place:66070, 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_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

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.