Sudden Valley CDP, Washington Demographics & Population 2026

Population Overview

Sudden Valley CDP is a small city located in Washington. The total population is 6,963. It ranks as the 164th most populous out of 631 cities and towns in Washington.

Age Demographics

The median age in Sudden Valley CDP is 41.9 years. This is 10% higher than the state median of 38.2 years.

Economy, Income & Housing

The median household income in Sudden Valley CDP is $98,865. This is 4% higher than the state median of $94,952. Compared to the national median of $78,538, household income here is 26% higher. The poverty rate stands at 5.5%. This is 44% lower than the state poverty rate of 9.9%. The unemployment rate is 2.5%. This is 50% lower than the state rate of 5.0%. The median home value is $450,500. Housing costs are 13% lower than the state median of $519,800. The home-value-to-income ratio is 4.6x. 92.5% of occupied housing units are owner-occupied. This homeownership rate is 45% higher than the state average of 63.9%.

Race & Ethnicity

The largest racial or ethnic group in Sudden Valley CDP is White (non-Hispanic), making up 77.0% of the population. Hispanic or Latino residents account for 9.9%. The Black or African American population (0.4%) is well below the state average of 3.8%. The Asian population (1.9%) is well below the state average of 9.3%.

Education

49.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 28% higher 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 97.5%. Notably, 19.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Sudden Valley 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.