Demographics & People — Greenwich, Connecticut

Population Overview

Population (Census)14,528
Estimated 2026~15,400
Median Age43.9
Total Households5,792
Family Households3,744
Average Household Size2.48
Diversity Index0.4902 (moderately diverse)

Race & Ethnicity

White9,912
Black or African American1,156
Asian962
Hispanic or Latino2,412

Heritage & Ancestry

GroupCount
Other groups4,229
Hispanic: Hispanic or Latino2,660
Unclassified or not reported2,319
Italian2,073
Irish1,996
English1,499
Hispanic: South American1,228
American918
German743
Hispanic: Colombian508

Language

English Only10,362
Spanish1,194
Population 5+13,671

Veterans

Veterans199
Population 18+10,829

Commuting

Mean Commute Time27.9 minutes
Work from Home25.4%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Greenwich, Connecticut.