Westchester County's 2026 population is estimated at 1,025,489, reflecting a 0.94% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Westchester County is the 7th largest county in New York. The 2010 population was 950,760 and has grown 7.86% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.8 years
Female: 43.1 years
Male: 40.4 years
There are 787,207 adults, (181,529 of whom are seniors) in Westchester County.
Female: 512,319 (51.2%)
Male: 487,358 (48.8%)
The racial composition of Westchester County includes 52.07% White, 14.29% other race, 13.62% Black or African American, 6.25% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 520,512 | 52.07% |
| Other race | 142,864 | 14.29% |
| Black or African American | 136,191 | 13.62% |
| Two or more races | 132,085 | 13.21% |
| Asian | 62,523 | 6.25% |
| Native American | 5,261 | 0.53% |
| Native Hawaiian or Pacific Islander | 241 | 0.02% |
Westchester County 's average per capita income is $73,516. Household income levels show a median of $118,976. The poverty rate stands at 9.01%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $194,015 | $277,031 |
| Families | $156,822 | $235,368 |
| Households | $118,976 | $192,041 |
| Non Families | $62,098 | $92,774 |
Average Income
Median Household Income
Poverty Rate