Demographics & People — Morris Plains, New Jersey

Population Overview

Population (Census)6,214
Estimated 2026~6,600
Median Age41.7
Total Households2,524
Family Households1,648
Average Household Size2.46
Diversity Index0.3192 (somewhat diverse)

Race & Ethnicity

White4,974
Black or African American151
Asian474
Hispanic or Latino488

Heritage & Ancestry

GroupCount
Italian1,557
Irish1,544
Other groups1,067
Unclassified or not reported936
German864
Polish616
English599
Hispanic: Hispanic or Latino455
Hispanic: South American293
Hispanic: Colombian181

Language

English Only4,997
Spanish341
Population 5+5,890

Veterans

Veterans277
Population 18+4,981

Commuting

Mean Commute Time29.0 minutes
Work from Home30.2%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Morris Plains, New Jersey.