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Suffolk County, Massachusetts

Suffolk County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 673,458 (2024)
ID: 128108
Municipal Municipal Government Within County
Contact: MAYOR
1 CITY HALL SQ, BOSTON MA 02201-1001
GUS Population: 60,702 (2024)
ID: 211226
Municipal Municipal Government Within County
Contact: MAYOR
281 BROADWAY, REVERE MA 02151-5051
GUS Population: 40,245 (2024)
ID: 106075
Municipal Municipal Government Within County
Contact: CITY SOLICITOR
500 BROADWAY, STE 1, CHELSEA MA 02150-2996
CITY OF WINTHROP TOWN
GUS Population: 18,739 (2024)
ID: 224819
Municipal Municipal Government Within County
Contact: TOWN MANAGER
1 METCALF SQ, WINTHROP MA 02152-3156