Green Knoll CDP, New Jersey Demographics & Population 2026

Population Overview

Green Knoll CDP is a small city located in New Jersey. The total population is 6,664. It ranks as the 237th most populous out of 700 cities and towns in New Jersey.

Age Demographics

The median age in Green Knoll CDP is 44.1 years. This is 10% higher than the state median of 40.1 years. 12.3% 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 Green Knoll CDP is $156,630. This is 55% higher than the state median of $101,050. Compared to the national median of $78,538, household income here is 99% higher. The poverty rate stands at 2.9%. This is 70% lower than the state poverty rate of 9.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.2%. This is 32% lower than the state rate of 6.2%. The median home value is $581,600. Housing costs are 36% higher than the state median of $427,600. The home-value-to-income ratio is 3.7x. 75.9% of occupied housing units are owner-occupied. This homeownership rate is 19% higher than the state average of 63.7%.

Race & Ethnicity

The largest racial or ethnic group in Green Knoll CDP is White (non-Hispanic), making up 62.0% of the population. Asian residents account for 23.8%. The Black or African American population (3.8%) is well below the state average of 12.3%. The Hispanic or Latino population (8.4%) is well below the state average of 21.9%. The Asian population is significantly higher than the state average (23.8% vs 9.8%).

Education

58.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 36% higher than the state rate of 42.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.9%. Notably, 23.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Green Knoll CDP, New Jersey 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 New Jersey state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 700 Census-designated places in New Jersey. For official data, visit data.census.gov.