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How will independents factor into the Brown-Warren Senate race?

Who and what will decide the race — or at least who and what the campaigns are betting on.

Registered as Democratic Party

Percentage of total registered voters for state primary, as of August 17, 2012


Registered voters for Boston (Total: 364,498)

Republican party
24,649 (6.8%)
Democratic party
199,392 (38.0%)
Unaffiliated
138,477 (38.0%)

SOURCES: Secretary of the Commonwealth of Massachusetts

Daigo Fujiwara/Globe Staff

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