Demographics & People — Nassau Lake, New York

Population Overview

Population (Census)	841
Estimated 2026	~800
Median Age	50.1
Total Households	405
Family Households	217
Average Household Size	2.08
Diversity Index	N/A (N/A)

Race & Ethnicity

White	754
Black or African American	14
Asian	12
Hispanic or Latino	0

Heritage & Ancestry

Group	Count
Irish	286
Unclassified or not reported	263
French (except Basque)	172
Polish	110
German	81
English	73
Italian	72
Other groups	72
American	43
Scottish	41

Language

English Only	796
Spanish	0
Population 5+	796

Veterans

Veterans	67
Population 18+	711

Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Nassau Lake, New York.