How many homes in Mercer Island, WA are overcrowded?

Name: Crowding and facilities in Mercer Island, WA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

1.6% (±1.1 points) of occupied homes in Mercer Island, WA have more than one occupant per room (2020–2024 American Community Survey).

1.1% have more than 1.5.

0.2% lack complete plumbing.

2.3% lack a complete kitchen.

Figures last updated on November 12, 2026.

More than 1 per room: 1.6% (±1.1 points)
Lacking plumbing: 0.2%
Lacking a kitchen: 2.3%

Crowding and facilities in Mercer Island

Share of occupied homes, estimate (90% margin of error)
	Mercer Island	King County	Washington	United States
More than 1 person per room	1.6% (±1.1 points)	3.8% (±0.1 points)	3.6% (±0.1 points)	3.4%
More than 1.5 people per room	1.1% (±1.0 points)	1.9% (±0.1 points)	1.4% (±0.1 points)	1.2%
Lacking complete plumbing	0.2% (±0.3 points)	0.3% (±0.1 points)	0.4% (±0.1 points)	0.4%
Lacking a complete kitchen	2.3% (±1.9 points)	1.2% (±0.1 points)	1.0% (±0.1 points)	0.8%

A room is any whole room other than a bathroom, hall or porch; more than one person per room is the Census Bureau’s usual measure of crowding.

Complete plumbing means hot and cold running water and a bath or shower; a complete kitchen means a sink with a faucet, a stove or range and a refrigerator.

In Mercer Island, the share of crowded homes is lower than in King County (3.8%).

It is also lower than in Washington (3.6%).

It is lower than the national figure (3.4%).

Crowded homes in places near Mercer Island

Nearest places with a published estimate, compared with Mercer Island
Place	Distance	Crowded homes	Compared with this place
Mercer Island	—	1.6% (±1.1 points)	—
Beaux Arts Village	2.0 mi	0.0% (±49.6 points)	Not measurably different
Newcastle	3.8 mi	3.4% (±2.1 points)	Not measurably different
Bellevue	4.2 mi	4.4% (±0.7 points)	Higher
Medina	4.4 mi	1.0% (±4.1 points)	Not measurably different
Clyde Hill	4.6 mi	0.0% (±4.7 points)	Not measurably different
Bryn Mawr-Skyway	4.8 mi	5.7% (±2.8 points)	Higher
Boulevard Park	5.2 mi	13.1% (±9.1 points)	Higher
Hunts Point	5.5 mi	0.8% (±27.0 points)	Not measurably different

Nearby places with a measurably higher figure: Bellevue, WA (4.4%), Bryn Mawr-Skyway, WA (5.7%), Boulevard Park, WA (13.1%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

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 Mercer Island

How many homes in Mercer Island are overcrowded?

1.6% of occupied homes in Mercer Island, WA have more than one person per room (2020–2024 American Community Survey).

How many homes in Mercer Island lack plumbing or a kitchen?

0.2% lack complete plumbing facilities and 2.3% lack complete kitchen facilities.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Mercer Island 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 Mercer Island city, Washington (place:45005, 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_0078PE, DP04_0078PM, DP04_0079PE, DP04_0079PM, DP04_0073PE, DP04_0073PM, DP04_0074PE, DP04_0074PM

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.