Demographics & People — Marlborough, Massachusetts

Population Overview

Population (Census)41,398
Estimated 2026~42,200
Median Age37.5
Total Households16,649
Family Households10,417
Average Household Size2.45
Diversity IndexN/A (N/A)

Race & Ethnicity

White25,198
Black or African American1,512
Asian2,027
Hispanic or Latino6,975

Heritage & Ancestry

GroupCount
Other groups8,595
Unclassified or not reported7,932
Hispanic: Hispanic or Latino7,010
Irish6,496
Italian5,036
Brazilian4,466
Hispanic: Central American3,363
Hispanic: Guatemalan3,108
English3,089
German2,280

Language

English Only22,875
Spanish5,765
Population 5+38,335

Veterans

Veterans1,548
Population 18+32,948

Commuting

Mean Commute Time29.7 minutes
Work from Home16.2%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Marlborough, Massachusetts.