Newcastle CDP, California Demographics & Population 2026

Population Overview

Newcastle CDP is a small community located in California. The total population is 1,594. It ranks as the 943rd most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in Newcastle CDP is 42.7 years. This is 14% higher than the state median of 37.6 years. 12.7% 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 Newcastle CDP is $110,446. This is 15% higher than the state median of $96,334. Compared to the national median of $78,538, household income here is 41% higher. The poverty rate stands at 12.1%. This is 1% higher than the state poverty rate of 12.0%. The unemployment rate is 4.3%. This is 33% lower than the state rate of 6.4%. The median home value is $596,400. Housing costs are 14% lower than the state median of $695,400. The home-value-to-income ratio is 5.4x. 89.6% of occupied housing units are owner-occupied. This homeownership rate is 61% higher than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in Newcastle CDP is White (non-Hispanic), making up 76.8% of the population. Hispanic or Latino residents account for 16.1%. The White (non-Hispanic) population is significantly higher than the state average (76.8% vs 34.6%). The Black or African American population (1.4%) is well below the state average of 5.3%. The Hispanic or Latino population (16.1%) is well below the state average of 39.8%. The Asian population (1.2%) is well below the state average of 15.0%.

Education

27.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 24% lower than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.7%.

Data Sources & Methodology

All demographic data for Newcastle CDP, California 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 California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,577 Census-designated places in California. For official data, visit data.census.gov.