Newcastle city, Washington Demographics & Population 2026

Population Overview

Newcastle city is a small city located in Washington. The total population is 12,945. It ranks as the 101st most populous out of 631 cities and towns in Washington.

Age Demographics

The median age in Newcastle city is 37.4 years. This is 2% lower than the state median of 38.2 years.

Economy, Income & Housing

The median household income in Newcastle city is $162,646. This is 71% higher than the state median of $94,952. Compared to the national median of $78,538, household income here is 107% higher. The poverty rate stands at 3.1%. This is 68% 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 5.1%. This is 2% higher than the state rate of 5.0%. The median home value is $1,128,200. Housing costs are 117% higher than the state median of $519,800. The home-value-to-income ratio of 6.9x suggests that housing affordability is a significant concern for many residents. 63.6% of occupied housing units are owner-occupied.

Race & Ethnicity

Newcastle city is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Asian residents account for 39.5%. The Black or African American population (1.6%) is well below the state average of 3.8%. The Hispanic or Latino population (5.8%) is well below the state average of 14.1%. The Asian population is significantly higher than the state average (39.5% vs 9.3%).

Education

71.1% of residents aged 25 and older hold a bachelor's degree or higher. This places Newcastle city in the top 10% of all cities in the state for educational attainment. This is 83% 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 98.3%. Notably, 32.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Newcastle city, 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.