Demographics & People — Millbrae, California

Population Overview

Population (Census)22,589
Estimated 2026~22,900
Median Age43.7
Total Households7,998
Family Households5,509
Average Household Size2.78
Diversity Index0.5945 (moderately diverse)

Race & Ethnicity

White7,685
Black or African American113
Asian11,071
Hispanic or Latino2,724

Heritage & Ancestry

GroupCount
Other groups12,544
Unclassified or not reported3,738
Hispanic: Hispanic or Latino2,385
Italian1,525
German1,349
Irish1,326
Hispanic: Mexican1,221
English1,195
Hispanic: Central American764
American632

Language

English Only10,907
Spanish1,686
Population 5+21,319

Veterans

Veterans591
Population 18+18,506

Commuting

Mean Commute Time28.6 minutes
Work from Home22.2%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Millbrae, California.