Grenloch CDP, New Jersey Demographics & Population 2026

Population Overview

Grenloch CDP is a small community located in New Jersey. The total population is 748. It ranks as the 579th most populous out of 700 cities and towns in New Jersey.

Age Demographics

The median age in Grenloch CDP is 53.2 years. This is 33% higher than the state median of 40.1 years. Only 12.2% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Grenloch CDP is $128,333. This is 27% higher than the state median of $101,050. Compared to the national median of $78,538, household income here is 63% higher. The poverty rate stands at 5.3%. This is 45% lower than the state poverty rate of 9.8%. The unemployment rate is 4.4%. This is 28% lower than the state rate of 6.2%. The median home value is $228,700. Housing costs are 47% lower than the state median of $427,600. With a home-value-to-income ratio of just 1.8x, Grenloch CDP is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 57% higher than the state average of 63.7%.

Race & Ethnicity

Grenloch CDP has a predominantly White (non-Hispanic) population, comprising 89.8% of all residents. Hispanic or Latino residents account for 5.2%. The White (non-Hispanic) population is significantly higher than the state average (89.8% vs 51.9%). The Black or African American population (0.9%) is well below the state average of 12.3%. The Hispanic or Latino population (5.2%) is well below the state average of 21.9%. The Asian population (1.9%) is well below the state average of 9.8%.

Education

29.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% lower 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 90.4%. Notably, 17.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Grenloch 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.