Wellesley CDP, Massachusetts Demographics & Population 2026

Population Overview

Wellesley CDP is a mid-sized community located in Massachusetts. The total population is 29,906. It ranks as the 49th most populous out of 248 cities and towns in Massachusetts.

Age Demographics

The median age in Wellesley CDP is 38.1 years. This is 5% lower than the state median of 40.0 years.

Economy, Income & Housing

The median household income in Wellesley CDP is $250,001. This is 147% higher than the state median of $101,341. Compared to the national median of $78,538, household income here is 218% higher. The poverty rate stands at 3.2%. This is 68% lower than the state poverty rate of 10.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.4%. This is 34% lower than the state rate of 5.1%. The median home value is $1,513,400. Housing costs are 188% higher than the state median of $525,800. The home-value-to-income ratio of 6.1x suggests that housing affordability is a significant concern for many residents. 84.0% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in Wellesley CDP is White (non-Hispanic), making up 71.7% of the population. Asian residents account for 14.0%. The Black or African American population (1.8%) is well below the state average of 6.5%. The Hispanic or Latino population (6.0%) is well below the state average of 12.9%. The Asian population is significantly higher than the state average (14.0% vs 7.0%).

Education

87.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Wellesley CDP in the top 10% of all cities in the state for educational attainment. This is 87% higher than the state rate of 46.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.5%. Notably, 55.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Wellesley CDP, Massachusetts is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Massachusetts state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 248 Census-designated places in Massachusetts. For official data, visit data.census.gov.