Westchester County, NY Population

Overview

999,723

Total Population

41.2

Median age

51.26%

Female population %

95.1:100

Gender ratio (M:F)

50-54 years

Largest age group

53.6

Total dependency ratio

White

Largest racial group

251,81

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Westchester County's population is old compared to the rest of the country:

The median age in Westchester County is 41.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Westchester County's population under 18 was 21.97%, compared to the 22.51% nationwide.
Westchester County's elderly or the senior population (over 65 age) was 17.06% as compared to 16.04% nationwide.
Of the total population in Westchester County, 17.84% were under the age of 15, 18.40% aged 15 to 29, 46.70% aged 30 to 64, 14.33% aged 65 to 84, and 2.73% were 85 years of age and older.

There are 25,137 more females than males in Westchester County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.26% females and 48.74% males in Westchester County, NY.
The Westchester County, NY gender ratio is 95.1:100 i.e. 95.1 men to 100 women (0.951).
For male population, the largest age group is 50-54 years with a population of 35,753.
For the female population, the largest age group is 50-54 years with a population of 37,490.

Westchester County's population has become increasingly diverse:

Racial distribution of Westchester County population: 59.94% are White, 14.56% are Black or African American, 0.41% are American Indian and Alaska Native, 6.07% are Asian, 0.03% are Native Hawaiian and other Pacific Islander, 12.10% are some other race and 6.89% are multiracial.
Westchester County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 251,81 is Hispanic or Latino (of any race), and 747,913 (74.81% of the total population) is Non-Hispanic.
The largest racial group in Westchester County is White with a population of 599,188 (59.94% of the total population).

Westchester County's population has already reached its peak and is showing a trend of decline:

The peak population was 1,001,431 in the year 2020
From 2000 to 2010, Westchester County's population increased by 25,211 (2.72%), as compared to the national growth of 9.63%.
From 2010 to 2020, Westchester County's population increased by 50,671 (5.33%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Westchester County's population was lowest in year 2000 at 925,549.