What kinds of homes are in Cornelius, OR?

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

Cornelius, OR has 4,949 (±349) homes (2020–2024 American Community Survey).

That is about 2,115 homes per square mile of land.

67.0% are detached single-family houses.

8.8% are in buildings of two to four units.

5.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 4,949 (±349)
Detached houses: 67.0%
2–4 unit buildings: 8.8%
5+ unit buildings: 5.5%

Homes in Cornelius by building size

Housing units by units in structure, 2020–2024
Building type	Cornelius	Washington County	Oregon	United States
Single-family, detached	67.0% (±6.3 points)	57.3%	62.7%	61.3%
Single-family, attached (townhouse, rowhouse)	8.1% (±4.7 points)	9.1%	5.1%	6.2%
2 units	3.0% (±2.5 points)	1.6%	2.5%	3.4%
3 or 4 units	5.8% (±2.8 points)	5.4%	4.4%	4.3%
5 to 9 units	3.1% (±3.2 points)	7.2%	4.4%	4.5%
10 to 19 units	0.0% (±0.8 points)	6.1%	3.7%	4.3%
20 or more units	2.4% (±1.5 points)	11.3%	9.6%	10.3%
Mobile home	10.7% (±3.2 points)	1.9%	7.1%	5.6%
Boat, RV, van, etc.	0.0% (±0.8 points)	0.1%	0.4%	0.1%

In Cornelius, the share of homes in buildings of five or more units is lower than in Washington County (24.6%).

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

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

Homes in buildings of 5 or more units in places near Cornelius

Nearest places with a published estimate, compared with Cornelius
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Cornelius	—	5.5% (±3.6 points)	—
Forest Grove	2.9 mi	18.4% (±3.3 points)	Higher
Hillsboro	5.6 mi	32.5% (±2.4 points)	Higher
North Plains	6.1 mi	1.7% (±4.7 points)	Not measurably different
Banks	7.2 mi	9.0% (±6.3 points)	Not measurably different
Gaston	7.4 mi	3.3% (±20.1 points)	Not measurably different
Rockcreek	8.8 mi	15.1% (±5.9 points)	Higher
Aloha	8.8 mi	10.5% (±1.9 points)	Higher
Oak Hills	10 mi	24.6% (±5.2 points)	Higher

Nearby places with a measurably higher figure: Forest Grove, OR (18.4%), Hillsboro, OR (32.5%), Rockcreek, OR (15.1%).

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 Washington County, place by place

Rank	Place	Homes in buildings of 5 or more units
17	Cedar Mill	16.1% (±5.5 points)
18	Rockcreek	15.1% (±5.9 points)
19	Sherwood	13.9% (±3.8 points)
20	Bull Mountain	10.8% (±8.1 points)
21	Aloha	10.5% (±1.9 points)
22	Banks	9.0% (±6.3 points)
23	Cornelius	5.5% (±3.6 points)
24	Gaston	3.3% (±20.1 points)
25	North Plains	1.7% (±4.7 points)

Showing 9 of 25 places in Washington 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 Cornelius

How many homes are in Cornelius?

Cornelius, OR has an estimated 4,949 (±349) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Cornelius houses or apartments?

67.0% are detached houses and 8.1% attached houses, while 14.3% are in buildings of two or more units.

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

8.8% of homes in Cornelius 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 — Cornelius 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 Cornelius city, Oregon (place:15550, 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.