Population Statistics for Commack, New York in 2024
- Total population: 36,558, male: 18,135 and female: 18,423
- Median age: 42.3 years, male: 40.1 and female: 44.4
- Median household income: $169,792
- Housing units: 11,878 total, occupied: 11,640 and vacant: 238
Population by Age and Gender
In Commack, New York, there are 4,485 males under 18 years old (24.7%), 10,921 aged 18 to 64 (60.2%), and 2,729 aged 65 and over (15.0%). Among females, 3,910 are under 18 years old (21.2%), 11,063 aged 18 to 64 (60.0%), and 3,450 aged 65 and over (18.7%).
Population Demographics by Race
Based on the latest data, the population in Commack, New York is 78.6% (28,748 people) White. Hispanic or Latino residents account for 9.5% (3,482 people) of the total. Black or African American alone represents 1.9% (683 people), while Asian alone makes up 6.9% (2,533 people).
Household Income
About 10.9% of all households earn under $50,000. Around 12.9% of households have incomes between $50,000 and $100,000, while 36.2% earn between $100,000 and $200,000. A small portion, 40.0%, report incomes over $200,000.
Households and Families
About 81.7% of households are married couples, while 3.9% are headed by a male householder with no spouse present. Female householders account for 8.2% of households, and 6.2% are non-family households.
Marital Status of Population
Overall, 61.7% of men and 59.5% of women are currently married. Among those who have never married, the share is 32.0% for men and 25.0% for women. Divorce rates are 7.6% among women compared to 3.8% for men, while 7.9% of women and 2.5% of men are widowed.

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