What kinds of homes are in Monmouth, OR?

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

Monmouth, OR has 3,969 (±283) homes (2020–2024 American Community Survey).

That is about 1,773 homes per square mile of land.

54.2% are detached single-family houses.

10.2% are in buildings of two to four units.

25.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 3,969 (±283)
Detached houses: 54.2%
2–4 unit buildings: 10.2%
5+ unit buildings: 25.3%

Homes in Monmouth by building size

Housing units by units in structure, 2020–2024
Building type	Monmouth	Polk County	Oregon	United States
Single-family, detached	54.2% (±5.7 points)	66.5%	62.7%	61.3%
Single-family, attached (townhouse, rowhouse)	6.5% (±4.0 points)	3.3%	5.1%	6.2%
2 units	5.0% (±3.2 points)	3.7%	2.5%	3.4%
3 or 4 units	5.2% (±2.7 points)	4.9%	4.4%	4.3%
5 to 9 units	9.7% (±3.8 points)	4.7%	4.4%	4.5%
10 to 19 units	9.1% (±4.6 points)	3.2%	3.7%	4.3%
20 or more units	6.5% (±3.7 points)	6.7%	9.6%	10.3%
Mobile home	3.8% (±1.8 points)	6.2%	7.1%	5.6%
Boat, RV, van, etc.	0.0% (±1.0 points)	0.9%	0.4%	0.1%

In Monmouth, the share of homes in buildings of five or more units is higher than in Polk County (14.6%).

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

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

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

Nearest places with a published estimate, compared with Monmouth
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Monmouth	—	25.3% (±7.0 points)	—
Independence	1.6 mi	23.0% (±7.5 points)	Not measurably different
Dallas	6.4 mi	13.7% (±3.3 points)	Lower
Falls City	10 mi	0.0% (±15.4 points)	Lower
Salem	11 mi	23.2% (±1.5 points)	Not measurably different
Adair Village	12 mi	0.0% (±16.8 points)	Lower
Turner	14 mi	8.0% (±5.6 points)	Lower
Four Corners	14 mi	10.5% (±4.1 points)	Lower
Millersburg	14 mi	0.5% (±4.7 points)	Lower

Nearby places with a measurably lower figure: Dallas, OR (13.7%), Falls City, OR (0.0%), Adair Village, OR (0.0%).

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 Polk County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Monmouth	25.3% (±7.0 points)
2	Independence	23.0% (±7.5 points)
3	Dallas	13.7% (±3.3 points)
4	Grand Ronde	1.3% (±1.5 points)
5	Falls City	0.0% (±15.4 points)

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 Monmouth

How many homes are in Monmouth?

Monmouth, OR has an estimated 3,969 (±283) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Monmouth houses or apartments?

54.2% are detached houses and 6.5% attached houses, while 35.5% are in buildings of two or more units.

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

10.2% of homes in Monmouth 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 — Monmouth 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 Monmouth city, Oregon (place:49550, 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.