| Jefferson County Population: 111,738
 Population Density: 87.8 per square mile
 
 Water Area Percentage: 31.49% (584.88 square miles)
 Land Area Percentage: 68.51% (1,272.20 square miles)
 Total Area: 1,857.08 square miles
 Housing Units: 54,070 per square mile
 
 County Links
 
 
 
 Waterfalls In Jefferson County
 • Aunt Janes Bay
 • Basin Harbor
 • Big Bass Bay
 • Black River Bay
 • Boomer Cove
 • Brown Bay
 • Buck Bay
 • Carnegie Bay
 • Carrier Bay
 • Carrying Place
 • Chaumont Bay
 • Crossmon Bay
 • Delaney Bay
 • Dels Boat Basin
 • Densmore Bay
 • Dodge Bay
 • Duck Bay
 • Dutch John Bay
 • Eel Bay
 • Feather Bed Shoal
 • Flynn Bay
 • French Creek Bay
 • Fuller Bay
 • Galloo Shoal
 • Gill Harbor
 • Goose Bay
 • Goose Bay
 • Grass Bay
 • Gravely Bay
 • Greens Bay
 • Guffin Bay
 • Henderson Bay
 • Henderson Harbor
 • Indian Bay
 • Little Sand Bay
 • Long Bay
 • Lucky Bay
 • Mance Marine Basin
 • Millen Bay
 • Mud Bay
 • Mullet Creek Bay
 • Muskellunge Bay
 • North Bay
 • North Pond
 • Oscars Bay
 • Otter Creek Bay
 • Peos Bay
 • Poplar Tree Bay
 • Ray Bay
 • Reeds Bay
 • Rose Bay
 • Rusho Bay
 • Sackets Harbor
 • Sand Bay
 • Sawmill Bay
 • Sawmill Bay
 • Sawyer Bay
 • Sherwin Bay
 • Snowshoe Bay
 • South Bay
 • South Bay
 • Spicer Bay
 • Swan Bay
 • Three Mile Bay
 • Thurso Bay
 • Toad Hole
 • Whites Bay
 • Wilson Bay
 • Zekes Bay
 
 Lakes In Jefferson County
 • Crystal Lake
 • Lake Ontario
 
 
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