Greenville (Westchester County), New York Demographics & Population 2026

Population Overview

Greenville (Westchester County) is a small city located in New York, within Westchester County. The total population is 9,280. It ranks as the 216th most populous out of 1,289 Census-designated places in New York.

Age Demographics

The median age in Greenville (Westchester County) is 44.8 years. This is 13% higher than the state median of 39.8 years. 13.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Greenville (Westchester County) is $171,540. This is 100% higher than the state median of $85,974. It is also 112% higher than the national median of $80,734. The poverty rate stands at 4.5%. This is 68% lower than the state poverty rate of 14.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.8%. This is 25% lower than the state rate of 6.4%. The median home value is $858,200. Housing costs are 103% higher than the state median of $423,800. The home-value-to-income ratio is 5.0x. 82.0% of occupied housing units are owner-occupied. This homeownership rate is 51% higher than the state average of 54.4%.

Race & Ethnicity

The largest racial or ethnic group in Greenville (Westchester County) is White (non-Hispanic), making up 50.1% of the population. Asian residents account for 30.6%. The Black or African American population (4.2%) is well below the state average of 13.4%. The Asian population is significantly higher than the state average (30.6% vs 9.0%).

Education

76.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Greenville (Westchester County) in the top 10% of all cities in the state for educational attainment. This is 89% higher than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.3%. Notably, 45.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Greenville (Westchester County), New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,289 Census-designated places in New York. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.