Westchester County Population

1790–2026

1.02M

2026 projection

2.1% since 2020 (increase)

00.2M0.4M0.6M0.8M1M1.2M18001850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Westchester County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,022,321+6,5780.65%
20251,015,743+6,5780.65%
20241,009,165+10,8301.08%
2023998,335+4,0220.40%
2022994,313-5,9390.59%
20211,000,252-1,1990.12%
20201,001,451+32,9843.41%
2019968,467-4610.05%
2018968,928-1,1050.11%
2017970,033-4280.04%

Showing 10 of 38 years.

Westchester County Demographics

41.8median age

Median age

Female43.1 yrs
Male40.4 yrs

Adults

787,207
181,529 seniors (65+) · 23% of adults605,678 other adults

Sex

Female 51.2% · 512,319Male 48.8% · 487,358

Population by age

MaleFemale85+ years, male: 9,14285+ years, female: 17,73780–84 years, male: 9,39280–84 years, female: 13,29575–79 years, male: 13,36275–79 years, female: 17,87170–74 years, male: 20,67770–74 years, female: 24,65965–69 years, male: 26,12265–69 years, female: 29,27260–64 years, male: 33,37460–64 years, female: 34,78855–59 years, male: 33,69255–59 years, female: 36,02950–54 years, male: 34,67050–54 years, female: 35,87245–49 years, male: 32,41645–49 years, female: 33,54040–44 years, male: 33,70340–44 years, female: 34,85535–39 years, male: 31,42935–39 years, female: 31,07630–34 years, male: 29,53730–34 years, female: 29,35225–29 years, male: 27,85225–29 years, female: 28,03620–24 years, male: 29,82320–24 years, female: 29,99215–19 years, male: 33,36415–19 years, female: 32,33010–14 years, male: 32,62310–14 years, female: 29,3805–9 years, male: 29,2415–9 years, female: 28,5480–4 years, male: 26,9390–4 years, female: 25,68785+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–410K10K20K20K30K30K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 9,997 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Westchester County Income

$118,976median household income

Median household income

$118,976

Half of households earn more, half earn less

Median earnings

$73,516

Typical yearly pay for a worker 25 or older.

Poverty rate

9%

About 1 in 11 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Westchester County Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%53%46%
Never married35%36%33%
Divorced9%7%10%
Widowed5%2%8%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year