Population Statistics for Cold Spring Harbor, New York in 2024
- Total population: 3,220, male: 1,683 and female: 1,537
- Median age: 40.4 years, male: 40.6 and female: 38.8
- Median household income: $250,001
- Housing units: 1,081 total, occupied: 1,030 and vacant: 51
Population by Age and Gender
In Cold Spring Harbor, New York, there are 450 males under 18 years old (26.7%), 1,029 aged 18 to 64 (61.1%), and 204 aged 65 and over (12.1%). Among females, 420 are under 18 years old (27.3%), 870 aged 18 to 64 (56.6%), and 247 aged 65 and over (16.1%).
Population Demographics by Race
Based on the latest data, the population in Cold Spring Harbor, New York is 88.4% (2,846 people) White. Hispanic or Latino residents account for 1.9% (61 people) of the total. Black or African American alone represents 0.4% (13 people), while Asian alone makes up 4.3% (138 people).
Household Income
About 6.5% of all households earn under $50,000. Around 9.5% of households have incomes between $50,000 and $100,000, while 21.4% earn between $100,000 and $200,000. A small portion, 62.6%, report incomes over $200,000.
Households and Families
About 86.1% of households are married couples, while 4.1% are headed by a male householder with no spouse present. Female householders account for 4.0% of households, and 5.7% are non-family households.
Marital Status of Population
Overall, 63.2% of men and 66.4% of women are currently married. Among those who have never married, the share is 31.6% for men and 22.9% for women. Divorce rates are 3.5% among women compared to 3.1% for men, while 7.2% of women and 2.0% of men are widowed.

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