Lake Cassidy CDP, Washington Demographics & Population 2026

Population Overview

Lake Cassidy CDP is a small community located in Washington. The total population is 3,337. It ranks as the 245th most populous out of 631 cities and towns in Washington.

Age Demographics

The median age in Lake Cassidy CDP is 50.8 years. This is 33% higher than the state median of 38.2 years.

Economy, Income & Housing

The median household income in Lake Cassidy CDP is $115,417. This is 22% higher than the state median of $94,952. Compared to the national median of $78,538, household income here is 47% higher. The poverty rate stands at 5.2%. This is 47% lower than the state poverty rate of 9.9%. The unemployment rate is 1.1%. This is 79% lower than the state rate of 5.0%. The median home value is $683,600. Housing costs are 32% higher than the state median of $519,800. The home-value-to-income ratio is 5.9x. 82.8% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 63.9%.

Race & Ethnicity

The largest racial or ethnic group in Lake Cassidy CDP is White (non-Hispanic), making up 82.9% of the population. Black or African American residents account for 6.0%. The Black or African American population is significantly higher than the state average (6.0% vs 3.8%). The Hispanic or Latino population (5.1%) is well below the state average of 14.1%. The Asian population (0.9%) is well below the state average of 9.3%.

Education

27.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 38.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.2%.

Data Sources & Methodology

All demographic data for Lake Cassidy CDP, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 631 Census-designated places in Washington. For official data, visit data.census.gov.