Home » Market Statistic Snapshot: Wellesley, Massachusetts Market Statistic Snapshot: Wellesley, Massachusetts October 2020 vs. October 2021 Founded in 1881 and 16.8 miles west of Boston. Population: 28,747. Tax Rate: $11.75. Landmarks: Wellesley Town Hall, Babson College, Wellesley College, Hunnewell Estates Historic District. 🏠🏠🏠🏠🏠 Data from MLSPIN.