Demographics & People — Monrovia, California

Population Overview

Population (Census)37,553
Estimated 2026~37,600
Median Age38.3
Total Households14,019
Family Households9,102
Average Household Size2.66
Diversity Index0.6593 (highly diverse)

Race & Ethnicity

White15,635
Black or African American2,341
Asian5,899
Hispanic or Latino16,187

Heritage & Ancestry

GroupCount
Other groups23,290
Hispanic: Hispanic or Latino16,986
Hispanic: Mexican12,788
Unclassified or not reported5,239
German2,541
Irish2,398
Hispanic: Central American2,050
English1,956
Italian1,774
Hispanic: Guatemalan1,167

Language

English Only20,376
Spanish9,929
Population 5+35,236

Veterans

Veterans881
Population 18+29,390

Commuting

Mean Commute Time30.1 minutes
Work from Home18.0%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Monrovia, California.