Demographics & People — Lafayette, California

Population Overview

Population (Census)25,277
Estimated 2026~25,300
Median Age45.7
Total Households9,225
Family Households7,206
Average Household Size2.73
Diversity Index0.3336 (somewhat diverse)

Race & Ethnicity

White19,210
Black or African American218
Asian2,346
Hispanic or Latino2,069

Heritage & Ancestry

GroupCount
Other groups6,296
Unclassified or not reported4,651
German3,654
English3,610
Irish3,528
Italian2,130
Hispanic: Hispanic or Latino1,909
French (except Basque)957
Iranian883
European819

Language

English Only19,987
Spanish831
Population 5+24,101

Veterans

Veterans966
Population 18+19,188

Commuting

Mean Commute Time29.3 minutes
Work from Home42.9%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Lafayette, California.