Sunday Lake CDP, Washington Demographics & Population 2026

Population Overview

Sunday Lake CDP is a small community located in Washington. The total population is 1,209. It ranks as the 369th most populous out of 631 cities and towns in Washington.

Age Demographics

The median age in Sunday Lake CDP is 41.0 years. This is 7% higher than the state median of 38.2 years.

Economy, Income & Housing

The median household income in Sunday Lake CDP is $110,491. This is 16% higher than the state median of $94,952. Compared to the national median of $78,538, household income here is 41% higher. The poverty rate stands at 9.9%. This is about average than the state poverty rate of 9.9%. The unemployment rate is 9.9%. This is 99% higher than the state rate of 5.0%. The median home value is $696,700. Housing costs are 34% higher than the state median of $519,800. The home-value-to-income ratio of 6.3x suggests that housing affordability is a significant concern for many residents. 85.5% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 63.9%.

Race & Ethnicity

The largest racial or ethnic group in Sunday Lake CDP is White (non-Hispanic), making up 77.5% of the population. Hispanic or Latino residents account for 18.8%. The Asian population (3.7%) is well below the state average of 9.3%.

Education

22.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 43% 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 87.4%.

Data Sources & Methodology

All demographic data for Sunday Lake 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.