Arlington Heights CDP, Washington Demographics & Population 2026

Population Overview

Arlington Heights CDP is a small community located in Washington. The total population is 2,990. It ranks as the 260th most populous out of 631 cities and towns in Washington.

Age Demographics

The median age in Arlington Heights CDP is 50.5 years. This is 32% higher than the state median of 38.2 years. 17.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Arlington Heights CDP is $118,529. This is 25% higher than the state median of $94,952. Compared to the national median of $78,538, household income here is 51% higher. The poverty rate stands at 2.9%. This is 71% lower than the state poverty rate of 9.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.6%. This is 7% lower than the state rate of 5.0%. The median home value is $688,000. Housing costs are 32% higher than the state median of $519,800. The home-value-to-income ratio is 5.8x. 81.6% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 63.9%.

Race & Ethnicity

Arlington Heights CDP has a predominantly White (non-Hispanic) population, comprising 88.7% of all residents. Hispanic or Latino residents account for 3.3%. The Hispanic or Latino population (3.3%) is well below the state average of 14.1%. The Asian population (1.6%) is well below the state average of 9.3%.

Education

13.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 65% 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 93.5%.

Data Sources & Methodology

All demographic data for Arlington Heights 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.