What kinds of homes are in South Monrovia Island, CA?

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

South Monrovia Island, CA has 1,608 (±168) homes (2020–2024 American Community Survey).

That is about 2,934 homes per square mile of land.

84.0% are detached single-family houses.

1.8% are in buildings of two to four units.

1.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,608 (±168)
Detached houses: 84.0%
2–4 unit buildings: 1.8%
5+ unit buildings: 1.4%

Homes in South Monrovia Island by building size

Housing units by units in structure, 2020–2024
Building type	South Monrovia Island	Los Angeles County	California	United States
Single-family, detached	84.0% (±6.3 points)	47.3%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	10.9% (±5.3 points)	6.6%	7.4%	6.2%
2 units	1.8% (±1.9 points)	2.6%	2.4%	3.4%
3 or 4 units	0.0% (±2.6 points)	5.9%	5.4%	4.3%
5 to 9 units	0.0% (±2.6 points)	7.8%	5.7%	4.5%
10 to 19 units	0.0% (±2.6 points)	7.6%	4.9%	4.3%
20 or more units	1.4% (±2.1 points)	20.5%	13.6%	10.3%
Mobile home	1.9% (±2.7 points)	1.6%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±2.6 points)	0.1%	0.1%	0.1%

In South Monrovia Island, 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 lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near South Monrovia Island

Nearest places with a published estimate, compared with South Monrovia Island
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
South Monrovia Island	—	1.4% (±4.2 points)	—
Mayflower Village	0.9 mi	5.4% (±5.4 points)	Not measurably different
Irwindale	2.0 mi	5.5% (±14.0 points)	Not measurably different
North El Monte	2.1 mi	5.4% (±5.8 points)	Not measurably different
Arcadia	2.4 mi	26.7% (±2.8 points)	Higher
Bradbury	2.6 mi	2.3% (±16.5 points)	Not measurably different
Monrovia	2.9 mi	23.2% (±2.7 points)	Higher
Baldwin Park	3.1 mi	17.7% (±2.1 points)	Higher
Duarte	3.7 mi	20.4% (±3.6 points)	Higher

Nearby places with a measurably higher figure: Arcadia, CA (26.7%), Monrovia, CA (23.2%), Baldwin Park, CA (17.7%).

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
118 (tie)	Rolling Hills Estates	2.6% (±1.4 points)
118 (tie)	Walnut	2.6% (±1.1 points)
121	Industry	2.5% (±75.9 points)
122	Bradbury	2.3% (±16.5 points)
123	Avocado Heights	1.7% (±1.5 points)
124	Vincent	1.6% (±1.6 points)
125	South Monrovia Island	1.4% (±4.2 points)
126	La Habra Heights	1.2% (±2.3 points)
127	South San Jose Hills	0.8% (±1.2 points)
128	Rolling Hills	0.5% (±8.9 points)
129	Acton	0.4% (±2.2 points)
130 (tie)	Hidden Hills	0.0% (±9.7 points)
130 (tie)	San Marino	0.0% (±1.7 points)

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

South Monrovia Island 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 South Monrovia Island

How many homes are in South Monrovia Island?

South Monrovia Island, CA has an estimated 1,608 (±168) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in South Monrovia Island houses or apartments?

84.0% are detached houses and 10.9% attached houses, while 3.2% are in buildings of two or more units.

How many two-family and small multifamily homes are in South Monrovia Island?

1.8% of homes in South Monrovia Island 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 — South Monrovia Island 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 South Monrovia Island CDP, California (place:73167, 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.