How many people live in Westchester County, NY?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 1.01 million people living in Westchester County, NY. That makes Westchester County the 49th-most populous county in the US. It is also the seventh-largest in New York, accounting for 5% of the state’s population.
1.01M
population of Westchester County, NY (2024)
5%
County share of the New York population (2024)
About 1.01 million people lived in Westchester County, NY in 2024.
Population estimates, 2000–2024
What are Westchester County, NY’s age demographics?
About 192,300 Westchester County residents are aged 65 and older in 2024. That represents 19.1% of its population. For comparison, the age group represents 18.9% of New York’s population and 18% in the US overall.
Another 208,700 Westchester County residents, or 20.7% of the population, were children under 18. For comparison, the age group represents 20.1% of New York’s population and 21.6% in the US overall.
A higher share of Westchester County, NY's population is aged 45–64 than the US as a whole.
Population estimates by age group, (2024)
What are Westchester County, NY’s racial and ethnic demographics?
Hispanic residents make up 28.1% of the Westchester County population, higher than the national share of 20%. Westchester County also has a larger share of people identifying as non-Hispanic Black or African American (13.4%) than the US overall (12.6%).
In contrast, Westchester County’s non-Hispanic white population accounts for 49.8%, below the 57.5% nationwide, and the non-Hispanic two or more races population makes up 1.8% of the county, compared with 2.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Westchester County, NY has a higher share of a Hispanic population than New York as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Westchester County, NY is Yonkers with about 211,000 residents in 2024.
Cities and towns in Westchester County, NY ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Yonkers | 211,040 |
| 2. | New Rochelle | 85,512 |
| 3. | Mount Vernon | 71,999 |
| 4. | White Plains | 62,561 |
| 5. | Yorktown | 35,735 |
| 6. | Harrison | 31,321 |
| 7. | Port Chester | 30,957 |
| 8. | Ossining | 26,895 |
| 9. | Peekskill | 25,757 |
| 10. | Somers | 21,239 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
