What kinds of homes are in Lake Oswego, OR?

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

Lake Oswego, OR has 18,140 (±516) homes (2020–2024 American Community Survey).

That is about 1,669 homes per square mile of land.

61.1% are detached single-family houses.

6.8% are in buildings of two to four units.

23.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 18,140 (±516)
Detached houses: 61.1%
2–4 unit buildings: 6.8%
5+ unit buildings: 23.9%

Homes in Lake Oswego by building size

Housing units by units in structure, 2020–2024
Building type	Lake Oswego	Clackamas County	Oregon	United States
Single-family, detached	61.1% (±2.3 points)	67.5%	62.7%	61.3%
Single-family, attached (townhouse, rowhouse)	7.8% (±1.4 points)	4.6%	5.1%	6.2%
2 units	1.0% (±0.7 points)	1.4%	2.5%	3.4%
3 or 4 units	5.8% (±1.5 points)	3.5%	4.4%	4.3%
5 to 9 units	7.7% (±1.7 points)	5.4%	4.4%	4.5%
10 to 19 units	4.5% (±1.2 points)	3.8%	3.7%	4.3%
20 or more units	11.7% (±1.7 points)	7.8%	9.6%	10.3%
Mobile home	0.4% (±0.3 points)	5.8%	7.1%	5.6%
Boat, RV, van, etc.	0.0% (±0.2 points)	0.2%	0.4%	0.1%

In Lake Oswego, the share of homes in buildings of five or more units is higher than in Clackamas County (17.0%).

It is also higher than in Oregon (17.7%).

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

Homes in buildings of 5 or more units in places near Lake Oswego

Nearest places with a published estimate, compared with Lake Oswego
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Lake Oswego	—	23.9% (±2.7 points)	—
Stafford	2.4 mi	0.0% (±10.0 points)	Lower
Rivergrove	2.5 mi	0.4% (±20.3 points)	Lower
Dunthorpe	2.7 mi	0.0% (±9.4 points)	Lower
Durham	3.1 mi	62.1% (±11.6 points)	Higher
Oak Grove	3.2 mi	20.1% (±3.9 points)	Not measurably different
Metzger	3.9 mi	17.3% (±7.8 points)	Not measurably different
Tigard	4.1 mi	24.8% (±2.6 points)	Not measurably different
Jennings Lodge	4.3 mi	25.0% (±6.9 points)	Not measurably different

Nearby places with a measurably lower figure: Stafford, OR (0.0%), Rivergrove, OR (0.4%), Dunthorpe, OR (0.0%).

Nearby places with a measurably higher figure: Durham, OR (62.1%).

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 Clackamas County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Wilsonville	41.2% (±4.5 points)
2	Jennings Lodge	25.0% (±6.9 points)
3	Lake Oswego	23.9% (±2.7 points)
4	Milwaukie	21.0% (±3.4 points)
5	Oak Grove	20.1% (±3.9 points)
6	Molalla	19.1% (±7.8 points)
7 (tie)	Gladstone	16.9% (±4.7 points)
7 (tie)	Happy Valley	16.9% (±3.4 points)
9	Oregon City	15.6% (±2.5 points)

Showing 9 of 23 places in Clackamas 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 Lake Oswego

How many homes are in Lake Oswego?

Lake Oswego, OR has an estimated 18,140 (±516) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Lake Oswego houses or apartments?

61.1% are detached houses and 7.8% attached houses, while 30.7% are in buildings of two or more units.

How many two-family and small multifamily homes are in Lake Oswego?

6.8% of homes in Lake Oswego 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 — Lake Oswego city, Oregon

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 Lake Oswego city, Oregon (place:40550, in state:41).

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.