Demographics & People — Stony Brook, New York

Population Overview

Population (Census)12,827
Estimated 2026~13,000
Median Age44.9
Total Households4,539
Family Households3,439
Average Household Size2.81
Diversity IndexN/A (N/A)

Race & Ethnicity

White10,273
Black or African American410
Asian1,443
Hispanic or Latino937

Heritage & Ancestry

GroupCount
Italian2,999
Other groups2,485
Irish2,373
Unclassified or not reported2,066
German1,291
Hispanic: Hispanic or Latino1,025
American1,020
Polish918
English673
Russian420

Language

English Only9,964
Spanish458
Population 5+12,271

Veterans

Veterans324
Population 18+9,762

Commuting

Mean Commute Time29.7 minutes
Work from Home19.7%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Stony Brook, New York.