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Boston’s population boom speeds up

What happened to make the city lose hundreds of thousands of people—and why it’s now growing at its fastest pace in years

This "heat map" shows shrinking populations in blue, growth in red. Darker colors indicate faster changes, so Boston's 1950s exodus shows as deep blue, while growth makes it dark red today.

1950-1960
1960-1970
1970-1980
1980-1990
1990-2000
2000-2010
2010-2012
Average annual change in population

SOURCE: US Census Bureau

David Butler/Globe Staff

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