Clinton 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 U.S. state of

Iowa Iowa ( ) is a U.S. state, state in the upper Midwestern United States, Midwestern region of the United States. It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the northeast, Ill ...

. As of the 2020 United States census, the population was 46,460. 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 Clinton. Its name is in honor of the seventh

Governor of New York The governor of New York is the head of government of the U.S. state of New York. The governor is the head of the executive branch of New York's state government and the commander-in-chief of the state's military forces. The governor ...

State,

DeWitt Clinton DeWitt Clinton (March 2, 1769February 11, 1828) was an American politician and Naturalism (philosophy), naturalist. He served as a United States Senate, United States senator, as the mayor of New York City, and as the sixth governor of New York. ...

. Clinton County comprises the Clinton, Iowa Micropolitan Statistical Area, which is also included in the Davenport–Moline–Clinton, Muscatine, Iowa–Illinois Combined Statistical Area.

History

Clinton County was formed on December 21, 1837. It was named for

, a

and most ardent advocate for the construction of the

Erie Canal The Erie Canal is a historic canal in upstate New York that runs east–west between the Hudson River and Lake Erie. Completed in 1825, the canal was the first navigability, navigable waterway connecting the Atlantic Ocean to the Great Lakes, ...

. The cities of DeWitt and Clinton were also named after him. In 1835, Elijah Buell built a log cabin for himself and his family and was thus the first settler of the region. In 1854, the first newspaper was issued. In 1858, the Lyons Female College for girls opened its doors; the tuition was set at per student. The county has used three courthouses in its history. The structure currently in use was constructed in Romanesque style and opened in 1897.

Early settlement

Clinton county was first settled in 1836, by Mr. Bourne, who located upon Sec. 1, T. 80, R. 4, East. The county was surveyed in 1837, by the Messrs. Burtz. The Surveyor General's office was then at

Cincinnati Cincinnati ( ; colloquially nicknamed Cincy) is a city in Hamilton County, Ohio, United States, and its county seat. Settled in 1788, the city is located on the northern side of the confluence of the Licking River (Kentucky), Licking and Ohio Ri ...

, Ohio. In 1840, the county was organized by Sheriff Bourne. In 1841, R. R. Bed ford and others formed a little settlement at De Witt, and during the same year Messrs. Wheeler and Evans erected a log court-house. In stepping from the past to the present, we quote the language of one of the "oldest inhabitants." He says: "Clinton County was originally settled by the poorest class of people on God's earth; and it is with great pleasure that I have witnessed their progress, slow but sure, and now find the most of them very comfortably situated." The population of this County in 1840, was 821; in 1850, 2822; in 1854, 7000; and in 1856, 11,000. The population of Lyons in 1850, was 453. In 1856 the population increased to 2700.

Geography

According to the U.S. Census Bureau, the county has a total area of , of which is land and (2.1%) is water. It includes the easternmost point in the state of Iowa, on the

Mississippi River The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...

in Elk River township in the northeast section of the county.

Transit

* Clinton Municipal Transit Administration

Major highways

* * * *

Adjacent counties

* Jackson County (north) * Carroll County,

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...

(northeast) * Whiteside County,

(east) * Rock Island County,

(southeast) * Scott County (south) * Cedar County (southwest) * Jones County (northwest)

National protected area

* Upper Mississippi River National Wildlife and Fish Refuge (part)

Demographics

2020 census

The 2020 census recorded a population of 46,460 in the county, with a population density of . 94.95% of the population reported being of one race. There were 21,517 housing units of which 19,483 were occupied.

2010 census

The 2010 census recorded a population of 49,116 in the county, with a population density of . There were 21,733 housing units, of which 20,223 were occupied.

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 50,149 people, 20,105 households, and 13,671 families residing in the county. The

population density Population density (in agriculture: Standing stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geog ...

was . There were 21,585 housing units at an average density of . The racial makeup of the county was 95.87%

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 ...

, 1.89%

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 ...

, 0.24% Native American, 0.56% Asian, 0.02%

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 ...

, 0.34% from other races, and 1.08% from two or more races. 1.25% 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 20,105 households, out of which 31.80% had children under the age of 18 living with them, 54.60% 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, 9.80% had a female householder with no husband present, and 32.00% were non-families. 27.40% of all households were made up of individuals, and 12.20% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.98. In the county, the population was spread out, with 25.60% under the age of 18, 8.20% from 18 to 24, 27.00% from 25 to 44, 23.30% from 45 to 64, and 15.80% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 94.30 males. For every 100 females age 18 and over, there were 91.20 males. The median income for a household in the county was $37,423, and the median income for a family was $46,450. Males had a median income of $35,049 versus $21,333 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 $17,724. About 7.70% of families and 10.20% 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 13.70% of those under age 18 and 7.80% of those age 65 or over.

Communities

Cities

* Andover * Calamus * Camanche * Charlotte * Clinton * DeWitt * Delmar * Goose Lake * Grand Mound * Lost Nation * Low Moor *

Toronto Toronto ( , locally pronounced or ) is the List of the largest municipalities in Canada by population, most populous city in Canada. It is the capital city of the Provinces and territories of Canada, Canadian province of Ontario. With a p ...

* Welton * Wheatland

Unincorporated communities

* Big Rock (mostly in Scott County) * Bryant * Buena Vista * Elvira * Elwood * Folletts * Petersville * Teeds Grove

Townships

Clinton County is divided into these townships: * Bloomfield * Brookfield * Camanche * Center * De Witt * Deep Creek * Eden * Elk River * Grant *

Hampshire Hampshire (, ; abbreviated to Hants.) is a Ceremonial counties of England, ceremonial county in South East England. It is bordered by Berkshire to the north, Surrey and West Sussex to the east, the Isle of Wight across the Solent to the south, ...

Liberty Liberty is the state of being free within society from oppressive restrictions imposed by authority on one's way of life, behavior, or political views. The concept of liberty can vary depending on perspective and context. In the Constitutional ...

Olive The olive, botanical name ''Olea europaea'' ("European olive"), is a species of Subtropics, subtropical evergreen tree in the Family (biology), family Oleaceae. Originating in Anatolia, Asia Minor, it is abundant throughout the Mediterranean ...

* Orange *

Sharon Sharon ( 'plain'), also spelled Saron, is a given name as well as a Hebrew name. In Anglosphere, English-speaking areas, Sharon is now predominantly a feminine given name, but historically it was also used as a masculine given name. In Israel, ...

* Spring Rock * Washington *

Waterford Waterford ( ) is a City status in Ireland, city in County Waterford in the South-East Region, Ireland, south-east of Ireland. It is located within the Provinces of Ireland, province of Munster. The city is situated at the head of Waterford H ...

* Welton

Population ranking

The population ranking of the following table is based on the 2020 United States census of Clinton County. † ''county seat''

Politics

Similar to many other counties in Iowa, Clinton County was reliably Democratic from Michael Dukakis's win in 1988 until 2016, when

Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party (United States), Republican Party, he served as the 45 ...

flipped many counties in Iowa. He improved on his results in 2020 and improved even more in 2024. Despite this, at the local level Clinton County voters are more divided, supporting Democrat Mike Zimmer over Republican Katie Whittington in the 2025 state senate election.

Education

School districts include:
Text list
/ref> * Calamus-Wheatland Community School District * Camanche Community School District * Central DeWitt Community School District * Clinton Community School District * Delwood Community School District * Easton Valley Community School District * Maquoketa Community School District * Midland Community School District * Northeast Community School District

References

External links

Clinton County government's websiteClinton County Development Association
{{coord, 41, 53, 34, N, 90, 31, 39, W, region:US-IA_type:adm2nd_source:dewiki, display=title 1837 establishments in Wisconsin Territory Populated places established in 1837 Iowa counties on the Mississippi River