Ottawa County

Clay Center
Elmore
Genoa
Marblehead
Oak Harbor
Port Clinton
Rocky Ridge
HASC code :US-OH-OT
FIPS 6-4 code :39123
Capital :Port Clinton
Largest city :Port Clinton
Elevation :High : Genoa 625 ft
Low : Oak Harbor 585 ft
Population :40,985
Land Area :255 sq mi
(660 km²)
Density :160.73/sq mi
(62.06/km²)
Time zone :UTC -5
Website :http://www.co.ottawa.oh.us