What kinds of homes are in El Cajon, CA?

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

El Cajon, CA has 35,185 (±811) homes (2020–2024 American Community Survey).

That is about 2,425 homes per square mile of land.

39.2% are detached single-family houses.

7.7% are in buildings of two to four units.

41.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 35,185 (±811)
Detached houses: 39.2%
2–4 unit buildings: 7.7%
5+ unit buildings: 41.4%

Homes in El Cajon by building size

Housing units by units in structure, 2020–2024
Building type	El Cajon	San Diego County	California	United States
Single-family, detached	39.2% (±1.5 points)	50.0%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	6.6% (±1.1 points)	10.0%	7.4%	6.2%
2 units	1.7% (±0.8 points)	1.9%	2.4%	3.4%
3 or 4 units	6.0% (±1.3 points)	5.0%	5.4%	4.3%
5 to 9 units	5.5% (±1.0 points)	7.2%	5.7%	4.5%
10 to 19 units	10.6% (±1.5 points)	6.1%	4.9%	4.3%
20 or more units	25.3% (±1.8 points)	16.2%	13.6%	10.3%
Mobile home	4.5% (±1.0 points)	3.3%	3.5%	5.6%
Boat, RV, van, etc.	0.5% (±0.3 points)	0.1%	0.1%	0.1%

In El Cajon, the share of homes in buildings of five or more units is higher than in San Diego County (29.5%).

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

It is higher than the national figure (19.1%).

Homes in buildings of 5 or more units in places near El Cajon

Nearest places with a published estimate, compared with El Cajon
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
El Cajon	—	41.4% (±2.5 points)	—
Bostonia	1.6 mi	31.9% (±5.9 points)	Lower
Casa de Oro-Mount Helix	2.7 mi	12.3% (±3.2 points)	Lower
Winter Gardens	3.2 mi	24.4% (±4.7 points)	Lower
Granite Hills	3.2 mi	0.0% (±6.1 points)	Lower
Rancho San Diego	3.6 mi	20.4% (±3.8 points)	Lower
Santee	4.0 mi	16.5% (±2.1 points)	Lower
La Mesa	4.2 mi	36.0% (±3.1 points)	Lower
Lakeside	5.0 mi	21.0% (±5.3 points)	Lower

Nearby places with a measurably lower figure: Bostonia, CA (31.9%), Casa de Oro-Mount Helix, CA (12.3%), Winter Gardens, CA (24.4%).

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 San Diego County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	El Cajon	41.4% (±2.5 points)
2	San Diego	37.9% (±0.7 points)
3	National City	37.6% (±3.8 points)
4	Coronado	36.1% (±3.4 points)
5	La Mesa	36.0% (±3.1 points)
6	Imperial Beach	34.2% (±4.4 points)
7	Bostonia	31.9% (±5.9 points)

Showing 7 of 50 places in San Diego 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 El Cajon

How many homes are in El Cajon?

El Cajon, CA has an estimated 35,185 (±811) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in El Cajon houses or apartments?

39.2% are detached houses and 6.6% attached houses, while 49.1% are in buildings of two or more units.

How many two-family and small multifamily homes are in El Cajon?

7.7% of homes in El Cajon 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 — El Cajon 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 El Cajon city, California (place:21712, 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.