What kinds of homes are in Issaquah, WA?

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

Issaquah, WA has 17,542 (±514) homes (2020–2024 American Community Survey).

That is about 1,446 homes per square mile of land.

35.0% are detached single-family houses.

7.0% are in buildings of two to four units.

42.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 17,542 (±514)
Detached houses: 35.0%
2–4 unit buildings: 7.0%
5+ unit buildings: 42.9%

Homes in Issaquah by building size

Housing units by units in structure, 2020–2024
Building type	Issaquah	King County	Washington	United States
Single-family, detached	35.0% (±3.0 points)	50.0%	61.9%	61.3%
Single-family, attached (townhouse, rowhouse)	15.1% (±1.8 points)	5.4%	4.4%	6.2%
2 units	2.0% (±0.8 points)	1.6%	2.3%	3.4%
3 or 4 units	5.0% (±1.4 points)	3.8%	3.5%	4.3%
5 to 9 units	8.5% (±2.1 points)	5.7%	4.3%	4.5%
10 to 19 units	10.8% (±2.2 points)	6.7%	4.9%	4.3%
20 or more units	23.6% (±2.7 points)	25.2%	13.0%	10.3%
Mobile home	0.0% (±0.2 points)	1.4%	5.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.2 points)	0.1%	0.3%	0.1%

In Issaquah, the share of homes in buildings of five or more units is higher than in King County (37.6%).

It is also higher than in Washington (22.2%).

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

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

Nearest places with a published estimate, compared with Issaquah
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Issaquah	—	42.9% (±4.1 points)	—
Sammamish	3.5 mi	10.6% (±2.1 points)	Lower
East Renton Highlands	5.2 mi	1.4% (±2.0 points)	Lower
Newcastle	5.5 mi	36.2% (±4.4 points)	Lower
Bellevue	6.2 mi	42.5% (±2.0 points)	Not measurably different
Mirrormont	6.4 mi	0.0% (±4.3 points)	Lower
Fall City	6.5 mi	1.2% (±7.7 points)	Lower
Ames Lake	7.4 mi	0.0% (±14.0 points)	Lower
Maple Heights-Lake Desire	7.7 mi	0.0% (±5.0 points)	Lower

Nearby places with a measurably lower figure: Sammamish, WA (10.6%), East Renton Highlands, WA (1.4%), Newcastle, WA (36.2%).

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 King County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Tukwila	52.7% (±6.9 points)
2	Seattle	51.5% (±0.8 points)
3	Redmond	46.6% (±2.6 points)
4	Woodinville	43.4% (±5.5 points)
5	Boulevard Park	43.3% (±14.7 points)
6 (tie)	Issaquah	42.9% (±4.1 points)
6 (tie)	SeaTac	42.9% (±6.4 points)
8	Bellevue	42.5% (±2.0 points)
9	Kirkland	36.3% (±2.2 points)
10	Newcastle	36.2% (±4.4 points)
11	Burien	34.1% (±3.4 points)
12	Kent	33.9% (±2.3 points)

Showing 12 of 59 places in King 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 Issaquah

How many homes are in Issaquah?

Issaquah, WA has an estimated 17,542 (±514) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Issaquah houses or apartments?

35.0% are detached houses and 15.1% attached houses, while 49.9% are in buildings of two or more units.

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

7.0% of homes in Issaquah 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 — Issaquah city, Washington

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 Issaquah city, Washington (place:33805, in state:53).

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.