Ottawa County is a

county A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...

located in the northwestern part of the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

Ohio Ohio ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the ...

. As of the 2020 census, the population was 40,364.2020 census
/ref> Its

county seat A county seat is an administrative center, seat of government, or capital city of a county or parish (administrative division), civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equiva ...

is Port Clinton. The county is named either for the

Ottawa Ottawa is the capital city of Canada. It is located in the southern Ontario, southern portion of the province of Ontario, at the confluence of the Ottawa River and the Rideau River. Ottawa borders Gatineau, Gatineau, Quebec, and forms the cor ...

(Odawa)

Indigenous peoples There is no generally accepted definition of Indigenous peoples, although in the 21st century the focus has been on self-identification, cultural difference from other groups in a state, a special relationship with their traditional territ ...

who lived there, or for an Indigenous word meaning "trader". Ottawa County comprises the Port Clinton, OH Micropolitan Statistical Area, which is also included in the Toledo-Port Clinton, OH Combined Statistical Area.

History

On September 10, 1813, during the

War of 1812 The War of 1812 was fought by the United States and its allies against the United Kingdom of Great Britain and Ireland, United Kingdom and its allies in North America. It began when the United States United States declaration of war on the Uni ...

, nine vessels of the

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

under Commodore Oliver Hazard Perry, decisively defeated six vessels of

Great Britain Great Britain is an island in the North Atlantic Ocean off the north-west coast of continental Europe, consisting of the countries England, Scotland, and Wales. With an area of , it is the largest of the British Isles, the List of European ...

’s

Royal Navy The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom ...

in the Battle of Lake Erie near Put-in-Bay. This action was one of the major battles of the war. Ottawa County was formed on March 6, 1840, from portions of Erie, Lucas and Sandusky counties. It was named after the North American Indigenous tribe of the Ottawa (Odawa). In 1974, the County Courthouse was listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...

. The county is notable in presidential politics for being a recent

bellwether A bellwether is a leader or an indicator of trends.bellwether
" ''Cambridge Dictionary''. Re ...

, having continuously voted for the winning candidate for thirteen elections from 1964 to 2016.

Geography

According to the U.S. Census Bureau, the county has a total area of , of which is land and (56%) is water. It is the third-smallest county in Ohio by land area. It borders

Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...

across

Lake Erie Lake Erie ( ) is the fourth-largest lake by surface area of the five Great Lakes in North America and the eleventh-largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and also has the shortest avera ...

Adjacent counties

Essex County, Ontario Essex County is a primarily rural county in Southwestern Ontario, Canada comprising seven municipalities: Amherstburg, Kingsville, Ontario, Kingsville, Lakeshore, Ontario, Lakeshore, LaSalle, Ontario, LaSalle, Leamington, Ontario, Leamington, Tec ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

(northeast) * Erie County (southeast) * Sandusky County (south) * Wood County (west) * Lucas County (northwest)

National protected areas

* Ottawa National Wildlife Refuge (part) * Perry's Victory and International Peace Memorial

Demographics

2000 census

As of the

census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...

of 2000, there were 40,985 people, 16,474 households, and 11,729 families living in the county. The population density was . There were 25,532 housing units at an average density of . The racial makeup of the county was 96.56%

White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...

, 0.65%

Black Black is a color that results from the absence or complete absorption of visible light. It is an achromatic color, without chroma, like white and grey. It is often used symbolically or figuratively to represent darkness.Eva Heller, ''P ...

African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...

, 0.21% Native American, 0.23% Asian, 0.05%

Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...

, 1.44% from other races, and 0.87% from two or more races. 3.75% of the population were

Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...

or Latino of any race. There were 16,474 households, out of which 29.10% had children under the age of 18 living with them, 58.90% were

married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...

living together, 8.50% had a female householder with no husband present, and 28.80% were non-families. 25.00% of all households were made up of individuals, and 11.20% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.92. In the county, the population was spread out, with 23.30% under the age of 18, 6.70% from 18 to 24, 26.80% from 25 to 44, 26.80% from 45 to 64, and 16.40% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 97.50 males. For every 100 females age 18 and over, there were 94.70 males. The median income for a household in the county was $44,224, and the median income for a family was $51,919. Males had a median income of $39,823 versus $24,727 for females. The

per capita income Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. In many countries, per capita income is determined using regular population surveys, such ...

for the county was $21,973. About 4.20% of families and 5.90% of the population were below the

poverty line The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...

, including 7.40% of those under age 18 and 5.40% of those age 65 or over.

2010 census

As of the 2010 United States Census, there were 41,428 people, 17,503 households, and 11,884 families living in the county. The population density was . There were 27,909 housing units at an average density of . The racial makeup of the county was 96.5% white, 0.8% black or African American, 0.3% Asian, 0.2% American Indian, 0.9% from other races, and 1.3% from two or more races. Those of Hispanic or Latino origin made up 4.2% of the population. In terms of ancestry, 44.6% were German, 11.9% were Irish, 9.8% were English, 6.3% were American, and 6.1% were Polish. Of the 17,503 households, 26.3% had children under the age of 18 living with them, 54.7% were married couples living together, 8.9% had a female householder with no husband present, 32.1% were non-families, and 27.4% of all households were made up of individuals. The average household size was 2.34 and the average family size was 2.82. The median age was 46.3 years. The median income for a household in the county was $53,463 and the median income for a family was $64,258. Males had a median income of $52,736 versus $33,557 for females. The per capita income for the county was $27,809. About 6.3% of families and 9.0% of the population were below the

, including 11.9% of those under age 18 and 6.5% of those age 65 or over.

Politics

Prior to 1912, Ottawa County was a Democratic Party stronghold in presidential elections. Starting with the 1912 election, the county was a national bellwether, only backing losing candidates in 1940, 1944, 1960 (Richard Nixon) and 2020 (Donald Trump).

Government and politics

County officials

The County elects 9 officeholders.

Transportation

Major highways

8 major highways run through Ottawa County, including two interstates, and eight state routes. *

Interstate 80 Interstate 80 (I-80) is an east–west transcontinental freeway that crosses the United States from San Francisco, California, to Teaneck, New Jersey, in the New York metropolitan area. The highway was designated in 1956 as one of the ori ...

( Ohio Turnpike) *

Interstate 90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain states, Mountain West, Great Pla ...

( Ohio Turnpike) * Ohio State Route 2 * Ohio State Route 19 * Ohio State Route 51 * Ohio State Route 53 * Ohio State Route 105 * Ohio State Route 163 * Ohio State Route 269 * Ohio State Route 590

Airports

* Erie-Ottawa Regional Airport * Middle Bass-East Point Airport * Middle Bass Island Airport * North Bass Island Airport * Put-in-Bay Airport

Communities

City

* Port Clinton (county seat)

Villages

* Clay Center * Elmore *

Genoa Genoa ( ; ; ) is a city in and the capital of the Italian region of Liguria, and the sixth-largest city in Italy. As of 2025, 563,947 people live within the city's administrative limits. While its metropolitan city has 818,651 inhabitan ...

* Marblehead * Oak Harbor * Put-in-Bay * Rocky Ridge

Townships

* Allen * Bay * Benton * Carroll * Catawba Island *

Clay Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, ). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impuriti ...

* Danbury * Erie * Harris *

Portage Portage or portaging ( CA: ; ) is the practice of carrying water craft or cargo over land, either around an obstacle in a river, or between two bodies of water. A path where items are regularly carried between bodies of water is also called a '' ...

* Put-in-Bay * Salem

Census-designated places

* Curtice * Lakeside * Williston

Unincorporated communities

* Catawba Island * Danbury * Elliston * Forest Park * Graytown *

Gypsum Gypsum is a soft sulfate mineral composed of calcium sulfate Hydrate, dihydrate, with the chemical formula . It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk ...

* Isle St. George * Lacarne * Limestone *

Martin Martin may refer to: Places Antarctica * Martin Peninsula, Marie Byrd Land * Port Martin, Adelie Land * Point Martin, South Orkney Islands Europe * Martin, Croatia, a village * Martin, Slovakia, a city * Martín del Río, Aragón, Spain * M ...

* Middle Bass

Notable residents

* Louis C. Shepard -

American Civil War The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...

Medal of Honor The Medal of Honor (MOH) is the United States Armed Forces' highest Awards and decorations of the United States Armed Forces, military decoration and is awarded to recognize American United States Army, soldiers, United States Navy, sailors, Un ...

recipient from Ashtabula County, buried in Lakeview cemetery,

Port Clinton, Ohio Port Clinton is a city in and the county seat of Ottawa County, Ohio, United States, located at the mouth of the Portage River on Lake Erie. The population was 6,025 at the 2020 census. It is the principal city of the Port Clinton micropolita ...

. * Crystal Bowersox, singer-songwriter, runner up on ''

American Idol ''American Idol'' is an American Music competition, singing competition television series created by Simon Fuller, produced by Fremantle (company), Fremantle North America and 19 Entertainment, and distributed by Fremantle North America. It a ...

References

External links

Ottawa County Government's website
{{Coord, 41.59, -83.06, display=title, type:adm2nd_region:US-OH_source:UScensus1990 1840 establishments in Ohio Populated places established in 1840 Ohio counties in the Western Reserve