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Lake Cassidy, WA Demographics

Lake Cassidy, WA is the 230th most populous of 639 cities in Washington, with 3,757 residents across 11 square miles. That is about 355 people per square mile.

At the 2020 census

Population 3,757
Land area 11 sq mi
Density 355 / sq mi

Data: 2020 Census · American Community Survey 2024

How Lake Cassidy, WA compares to the US

We're computing this city's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Lake Cassidy, WA

Measured from the city's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Lake Cassidy, WA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

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About this page

This page shows demographics for a US city from the 2020 census and the American Community Survey: population, land area, density, and how the city compares to national averages for income, housing, age, and more.

City statistics cover the municipal boundary only. For the wider region, see the containing metro area; for a custom area, open the city in the radius tool and measure any distance or drive time around it.

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