Land Area and Population of Ottawa County, Ohio Land Area and Population Statistics Ottawa County encompasses 253 square miles of Northwest Ohio along the southern edge of Lake Erie. Within its 12 townships, the county is home to seven villages and one city, Port Clinton. There are 673 miles of roads in the county, which include 302 miles of state and county highways.
Land values are extremely competitive.
The county has 40,029 residents living in 15,000 households. When compared to Ohio's other 87 counties, Ottawa County ranked 11th in per capita income in 1997. 6,210 Total 40,029 Housing Statistics Ottawa County successfully combines strong business potential with small-town living. The region offers a broad selection of quality housing stock that is extremely affordable, especially when compared to other regions of the country. Available in urban, rural and waterfront locations, the variety of homes in Ottawa County includes everything from stately lakeside havens to cozy neighborhoods.