Boston's population increased modestly in 2025, as a sharp drop in international migration and lower gains in domestic migration led to uneven population growth across the region. The modest gains that resulted were concentrated in suburban areas, according to new U.S. Census estimates.
Boston region posts one of the lowest population gains among major US markets
Suburbs continue to be the main beneficiaries of region's modest population gains
CoStar Analytics
April 8, 2026 | 9:32 P.M.
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