Population Statistics for Country Knolls, New York in 2024
- Total population: 5,445, male: 2,887 and female: 2,558
- Median age: 44.9 years, male: 43.4 and female: 45.5
- Median household income: $143,036
- Housing units: 2,176 total, occupied: 2,109 and vacant: 67
Population by Age and Gender
In Country Knolls, New York, there are 717 males under 18 years old (24.8%), 1,576 aged 18 to 64 (54.6%), and 594 aged 65 and over (20.6%). Among females, 611 are under 18 years old (23.9%), 1,488 aged 18 to 64 (58.2%), and 459 aged 65 and over (17.9%).
Population Demographics by Race
Based on the latest data, the population in Country Knolls, New York is 92.6% (5,042 people) White. Hispanic or Latino residents account for 1.5% (80 people) of the total. Black or African American alone represents 0.8% (42 people), while Asian alone makes up 0.6% (33 people).
Household Income
About 11.1% of all households earn under $50,000. Around 27.1% of households have incomes between $50,000 and $100,000, while 35.0% earn between $100,000 and $200,000. A small portion, 26.7%, report incomes over $200,000.
Households and Families
About 75.7% of households are married couples, while 3.0% are headed by a male householder with no spouse present. Female householders account for 8.8% of households, and 12.6% are non-family households.
Marital Status of Population
Overall, 56.5% of men and 65.4% of women are currently married. Among those who have never married, the share is 33.2% for men and 20.1% for women. Divorce rates are 9.0% among women compared to 2.6% for men, while 5.4% of women and 7.7% of men are widowed.

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