Demographics & People — Greenwich CDP (Cumberland County), New Jersey

Population Overview

Population (Census)	161
Estimated 2026	~200
Median Age	40.3
Total Households	55
Family Households	41
Average Household Size	2.93
Diversity Index	0.0 (relatively homogeneous)

Race & Ethnicity

White	161
Black or African American	0
Asian	0
Hispanic or Latino	0

Heritage & Ancestry

Group	Count
German	93
Irish	66
Unclassified or not reported	17
Other groups	16
English	12
Italian	10
Scandinavian	9
Welsh	8
Dutch	8
Polish	8

Language

English Only	161
Spanish	0
Population 5+	161

Veterans

Veterans	19
Population 18+	130

Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Greenwich CDP (Cumberland County), New Jersey.