Suffolk County

Boston
Chelsea
Revere
Winthrop
HASC code :US-MA-SU
FIPS 6-4 code :25025
Capital :Boston
Largest city :Boston
Elevation :High : Winthrop 36 ft
Low : Chelsea 10 ft
Population :689,807
Land Area :59 sq mi
(153 km²)
Density :11,691.64/sq mi
(4,514.17/km²)
Time zone :UTC -5