Adair 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 ...

in 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 ...

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 census, the population was 7,496. 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 Greenfield.

History

Adair County was formed in 1851 from sections of Pottawattamie County. It was named for

John Adair John Adair (January 9, 1757 – May 19, 1840) was an American pioneer, slave trader, soldier, and politician. He was the List of Governors of Kentucky, eighth Governor of Kentucky and represented the state in both the United States House of Re ...

, a general in 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 ...

, and the eighth

Governor of Kentucky The governor of the Commonwealth of Kentucky is the head of government of the Commonwealth (U.S. state), Commonwealth of Kentucky. Sixty-two men and one woman have served as governor of Kentucky. The governor's term is four years in length; sinc ...

Geography

According to the

U.S. Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the U.S. federal statistical system, responsible for producing data about the American people and economy. The U.S. Census Bureau is part of the U ...

, the county has a total area of , of which is land and (0.2%) is water.

Major highways

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 ...

* U.S. Highway 6 * Iowa Highway 25 * Iowa Highway 92

Adjacent counties

* Guthrie County (north) * Madison County (east) * Union County (southeast) * Adams County (southwest) * Cass County (west)

Demographics

2020 census

The 2020 census recorded a population of 7,496 in the county, with a population density of . 96.88% of the population reported being of one race. 92.89% were non-Hispanic White, 0.61% were Black, 2.48% were Hispanic, 0.25% were Native American, 0.31% were Asian, 0.03% were Native Hawaiian or Pacific Islander and 3.43% were some other race or more than one race. There were 3,585 housing units of which 3,217 were occupied.

2010 census

As of the 2010 United States census, there were 7,682 people, 3,292 households, and 2,148 families residing in the county. The population density was . There were 3,698 housing units at an average density of . The racial makeup of the county was 98.4% white, 0.3% Asian, 0.1% American Indian, 0.1% black or African American, 0.4% from other races, and 0.7% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. In terms of ancestry, 42.9% were

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

, 12.6% were Irish, 11.9% were English, 6.7% were Danish, and 6.4% were American. Of the 3,292 households, 26.8% had children under the age of 18 living with them, 54.9% were married couples living together, 6.7% had a female householder with no husband present, 34.8% were non-families, and 30.7% of all households were made up of individuals. The average household size was 2.29 and the average family size was 2.84. The median age was 45.3 years. The median income for a household in the county was $45,202 and the median income for a family was $57,287. Males had a median income of $38,638 versus $31,642 for females. The per capita income for the county was $23,497. About 5.7% of families and 10.6% 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 13.5% of those under age 18 and 11.4% of those age 65 or over.

Religion

, 67.9% of the population (5,597) had a declared religious affiliation, in every case Christian. The leading religious denomination was the

United Methodist Church The United Methodist Church (UMC) is a worldwide mainline Protestant Christian denomination, denomination based in the United States, and a major part of Methodism. In the 19th century, its main predecessor, the Methodist Episcopal Church, was ...

, with 23.6% of the population (1,944 members); second was the

Lutheran Church–Missouri Synod Lutheranism is a major branch of Protestantism that emerged under the work of Martin Luther, the 16th-century German friar and Protestant Reformers, reformer whose efforts to reform the theology and practices of the Catholic Church launched ...

, with 15.4% (1,268 members); third was the

Roman Catholic The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...

church, with 12% of the population (1,003 members); and fourth was the

Evangelical Lutheran Lutheranism is a major branch of Protestantism that emerged under the work of Martin Luther, the 16th-century German friar and Protestant Reformers, reformer whose efforts to reform the theology and practices of the Catholic Church launched ...

church, with 11.8% of the population (978 members).

Education

Communities

Cities

* Adair * Bridgewater * Casey *

Fontanelle A fontanelle (or fontanel) (colloquially, soft spot) is an anatomical feature of the infant human skull comprising soft membranous gaps ( sutures) between the cranial bones that make up the calvaria of a fetus or an infant. Fontanelles allow ...

* Greenfield *

Orient The Orient is a term referring to the East in relation to Europe, traditionally comprising anything belonging to the Eastern world. It is the antonym of the term ''Occident'', which refers to the Western world. In English, it is largely a meto ...

* Stuart

Unincorporated communities

* Arbor Hill * Berea * Canby *

Hebron Hebron (; , or ; , ) is a Palestinian city in the southern West Bank, south of Jerusalem. Hebron is capital of the Hebron Governorate, the largest Governorates of Palestine, governorate in the West Bank. With a population of 201,063 in ...

* Howe * Prussia *

Zion Zion (; ) is a placename in the Tanakh, often used as a synonym for Jerusalem as well as for the Land of Israel as a whole. The name is found in 2 Samuel (), one of the books of the Tanakh dated to approximately the mid-6th century BCE. It o ...

Townships

Adair County is divided into sixteen townships: * Eureka * Grand River * Grove * Harrison *

Jackson Jackson may refer to: Places Australia * Jackson, Queensland, a town in the Maranoa Region * Jackson North, Queensland, a locality in the Maranoa Region * Jackson South, Queensland, a locality in the Maranoa Region * Jackson oil field in Durham, ...

* Jefferson *

Lee Lee may refer to: Arts and entertainment * ''Lee'' (2007 film), Tamil-language sports action film * ''Lee'' (2017 film), Kannada-language action film * ''Lee'' (2023 film), biographical drama about Lee Miller, American photojournalist * ''L ...

* Lincoln *

Prussia Prussia (; ; Old Prussian: ''Prūsija'') was a Germans, German state centred on the North European Plain that originated from the 1525 secularization of the Prussia (region), Prussian part of the State of the Teutonic Order. For centuries, ...

* Richland * Summerset *

Summit A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topographic terms acme, apex, peak (mountain peak), and zenith are synonymous. The term (mountain top) is generally used only for ...

* Union *

Walnut A walnut is the edible seed of any tree of the genus '' Juglans'' (family Juglandaceae), particularly the Persian or English walnut, '' Juglans regia''. They are accessory fruit because the outer covering of the fruit is technically an i ...

Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...

Population ranking

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

Politics

The county was part of Iowa's 5th congressional district, which had a score of R+9 (strongly Republican) in the

Cook Partisan Voting Index The Cook Partisan Voting Index, abbreviated PVI or CPVI, is a measurement of how partisan a U.S. congressional district or U.S. state is. This partisanship is indicated as lean towards either the Republican Party or the Democratic Party, com ...

References

External links

*http://www.visitadaircounty.com
Official website
{{coord, 41, 19, 50, N, 94, 28, 16, W, region:US-IA_type:adm2nd_source:dewiki, display=title Populated places established in 1851 1851 establishments in Iowa