New york Nassau County, New York People QuickFactsNassau CountyNew YorkPopulation, 2005 estimate 1,333,13719,254,630Population, percent change, April 1, 2000 to July 1, 2005 -0.1%1.5%? Nassau county new york dp 4 profile of selected housing characteristics SubjectNumberPercent Total housing units458,151100.0UNITS IN STRUCTURE1-unit, detached355,31977.61-unit,? Nassau county new york dp 2 profile of selected social characteristics SubjectNumberPercent SCHOOL ENROLLMENTPopulation 3 years and over enrolled in school357,675100.0Nursery school,? Nassau county new york dp 3 profile of selected economic characteristics SubjectNumberPercent EMPLOYMENT STATUSPopulation 16 years and over1,041,416100.0In labor force655,80963.?