Boston Area Sees Slowest Population Growth Since Pandemic

New census data shows Massachusetts and Greater Boston had their smallest annual increases in 2025 compared to previous years.

Mar. 29, 2026 at 2:35pm

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According to newly released U.S. Census Bureau data, Massachusetts and the Boston metropolitan area both experienced their slowest population growth in 2025 since the COVID-19 pandemic began. The state's population increased by only 15,524 from 2024 to 2025, while the Greater Boston area saw an increase of just 11,991 - a dramatic drop from the previous year's growth of over 51,000. Experts cite factors like high taxes, housing costs, and out-migration as contributing to the slowdown.

Why it matters

The significant decline in population growth for both the state and the Boston region reflects broader economic and demographic shifts happening in Massachusetts. Understanding these trends is crucial for policymakers, urban planners, and businesses to make informed decisions about infrastructure, housing, and economic development.

The details

The new census data shows that Massachusetts' population growth slowed dramatically in 2025 compared to previous years. Statewide, the population increased by only 15,524 from 2024 to 2025, a sharp decline from the 65,081 increase the prior year. Similarly, the Greater Boston area saw its population grow by just 11,991 in 2025, down from an increase of over 51,000 the year before. Experts have pointed to factors like high taxes, housing costs, and out-migration as driving the slowdown in population growth.

  • Massachusetts' population grew by 65,081 from 2023 to 2024.
  • The state's population increased by only 15,524 from 2024 to 2025.
  • The Greater Boston area saw a population increase of 51,573 from 2023 to 2024.
  • The region's population grew by just 11,991 from 2024 to 2025.

The players

U.S. Census Bureau

The federal agency that collects and publishes demographic data, including population figures for states and metropolitan areas.

UMass Amherst

A public research university that has analyzed census data on Massachusetts' population trends, including the role of immigration and domestic out-migration.

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What’s next

Researchers and policymakers will likely analyze the new census data in depth to better understand the factors behind the slowdown in population growth and develop strategies to address the economic and demographic shifts in Massachusetts.

The takeaway

The dramatic decline in population growth for both Massachusetts and the Boston metropolitan area in 2025 reflects broader challenges the state is facing, including high costs of living, out-migration, and changes in immigration patterns. These trends will have significant implications for the region's future economic and urban development.