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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.