Demographics & People — Simi Valley, California

Population Overview

Population (Census)125,769
Estimated 2026~125,300
Median Age41.9
Total Households44,355
Family Households31,302
Average Household Size2.81
Diversity Index0.5374 (moderately diverse)

Race & Ethnicity

White79,613
Black or African American1,735
Asian13,426
Hispanic or Latino34,117

Heritage & Ancestry

GroupCount
Other groups48,830
Hispanic: Hispanic or Latino32,990
Unclassified or not reported23,982
Hispanic: Mexican23,451
German12,269
English11,833
Irish11,798
European8,461
Italian8,158
American4,546

Language

English Only88,545
Spanish19,005
Population 5+120,106

Veterans

Veterans4,818
Population 18+100,580

Commuting

Mean Commute Time27.1 minutes
Work from Home19.1%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Simi Valley, California.