Anderson Island CDP, Washington Demographics & Population 2026

Population Overview

Anderson Island CDP is a small community located in Washington. The total population is 1,341. It ranks as the 362nd most populous out of 631 cities and towns in Washington.

Age Demographics

The median age in Anderson Island CDP is 61.3 years. This is 60% higher than the state median of 38.2 years. Only 0.0% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Anderson Island CDP is $72,074. This is 24% lower than the state median of $94,952. Compared to the national median of $78,538, household income here is 8% lower. The poverty rate stands at 26.8%. This is 170% higher than the state poverty rate of 9.9%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 0.0%. This is 100% lower than the state rate of 5.0%. The median home value is $477,600. Housing costs are 8% lower than the state median of $519,800. The home-value-to-income ratio of 6.6x suggests that housing affordability is a significant concern for many residents. 98.7% of occupied housing units are owner-occupied. This homeownership rate is 54% higher than the state average of 63.9%.

Race & Ethnicity

The largest racial or ethnic group in Anderson Island CDP is White (non-Hispanic), making up 77.3% of the population. Hispanic or Latino residents account for 4.6%. The Black or African American population (1.5%) is well below the state average of 3.8%. The Hispanic or Latino population (4.6%) is well below the state average of 14.1%. The Asian population (1.1%) is well below the state average of 9.3%.

Education

34.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 11% 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 100.0%.

Data Sources & Methodology

All demographic data for Anderson Island 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.