Demographics & People — Marshfield, Massachusetts

Population Overview

Population (Census)4,698
Estimated 2026~6,400
Median Age46.1
Total Households1,826
Family Households1,127
Average Household Size2.56
Diversity IndexN/A (N/A)

Race & Ethnicity

White4,583
Black or African American0
Asian26
Hispanic or Latino28

Heritage & Ancestry

GroupCount
Irish1,704
Unclassified or not reported990
English803
Italian697
American374
Other groups364
Scottish213
German135
Hispanic: Hispanic or Latino133
Portuguese127

Language

English Only4,184
Spanish33
Population 5+4,319

Veterans

Veterans287
Population 18+3,636

Commuting

Mean Commute Time29.3 minutes
Work from Home20.8%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Marshfield, Massachusetts.