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The map can also be viewed by visiting this link. The biggest population loser by percent was the historic town of Concord. Concord saw a 1% drop in population from 18,273 in 2023 to 18,092 in 2024.
Fastest shrinking cities and towns in Mass. 1. Concord in Middlesex County Massachusetts communities were far more likely to grow than shrink in 2024, and those that shrunk only did so a bit.