# Adair County, Iowa

Adair County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 7,496. Its county seat is Greenfield.

## History

Adair County was formed in 1851 from sections of Pottawattamie County. It was named for John Adair, a general in the War of 1812, and the eighth Governor of Kentucky.

## Geography

According to the U.S. Census Bureau, the county has a total area of 570 square miles (1,500 km$^2$), of which 569 square miles (1,470 km$^2$) is land and 1.0 square mile (2.6 km$^2$) (0.2%) is water.

### Major highways

* Interstate 80
* 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 12.9430/sq mi (4.9973/km$^2$). 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 13.5 inhabitants per square mile (5.2/km$^2$). There were 3,698 housing units at an average density of 6.5 per square mile (2.5/km$^2$). 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, 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, including 13.5% of those under age 18 and 11.4% of those age 65 or over.

### Religion

As of 2000, 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, with 23.6% of the population (1,944 members); second was the Lutheran Church–Missouri Synod, with 15.4% (1,268 members); third was the Roman Catholic church, with 12% of the population (1,003 members); and fourth was the Evangelical Lutheran church, with 11.8% of the population (978 members).

## Education

The county is served by five school districts:
* Nodaway Valley Community School District
* Orient-Macksburg Community School District.
* CAM Community School District
* Adair–Casey Community School District.
* West Central Valley Community School District
The schools in the Nodaway Valley Community School District are:
* Nodaway Valley Elementary School
* Nodaway Valley Middle School
* Nodaway Valley High School.
The schools in the Orient-Macksburg Community School District are:
* Orient-Macksburg Elementary School
* Orient-Macksburg Middle School and High School.
The schools in the CAM Community School District are:
* CAM North Elementary School
* CAM South Elementary School
* CAM Middle School
* CAM High School
* CAM Iowa Connections Academy Elementary
* CAM Iowa Connections Academy Middle School
* CAM Iowa Connections Academy High School
The schools in the Adair–Casey Community School District are:
* Adair–Casey Elementary School
* AC/GC Junior High School
* Under a grade-sharing relationship with Guthrie Center Community School District, students attend AC/GC High School in Guthrie Center.
The schools in the West Central Valley Community School District are:
* Dexter Elementary School
* Stuart Elementary School
* Redfield Middle School
* Stuart High School

## Communities
### Cities

* Adair
* Bridgewater
* Casey
* Fontanelle
* Greenfield
* Orient
* Stuart

### Townships

Adair County is divided into sixteen townships:
* Eureka
* Grand River
* Grove
* Harrison
* Jackson
* Jefferson
* Lee
* Lincoln
* Orient
* Prussia
* Richland
* Summerset
* Summit
* Union
* Walnut
* Washington

### Population ranking

The population ranking of the following table is based on the 2020 census of Adair County.
† county seat
| Rank | City/Town/etc. | Municipal type | Population (2020 Census) |
| 1 | † Greenfield | City | 2,062 |
| 2 | Adair (partially in Guthrie County) | City | 773 (791 total) |
| 3 | Stuart (partially in Guthrie County) | City | 723 (1,782 total) |
| 4 | Fontanelle | City | 676 |
| 5 | Orient | City | 368 |
| 6 | Bridgewater | City | 148 |
| 7 | Casey (mostly in Guthrie County) | City | 19 (387 total) |

## 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.
United States presidential election results for Adair County, Iowa :
| Year | Republican | Republican | Democratic | Democratic | Third party(ies) | Third party(ies) |
| Year | No. | % | No. | % | No. | % |
| 2024 | 2,916 | 71.47% | 1,086 | 26.62% | 78 | 1.91% |
| 2020 | 2,917 | 69.83% | 1,198 | 28.68% | 62 | 1.48% |
| 2016 | 2,461 | 64.58% | 1,133 | 29.73% | 217 | 5.69% |
| 2012 | 2,114 | 52.90% | 1,790 | 44.79% | 92 | 2.30% |
| 2008 | 2,060 | 50.83% | 1,924 | 47.47% | 69 | 1.70% |
| 2004 | 2,402 | 56.15% | 1,844 | 43.10% | 32 | 0.75% |
| 2000 | 2,275 | 55.18% | 1,753 | 42.52% | 95 | 2.30% |
| 1996 | 1,655 | 42.06% | 1,802 | 45.79% | 478 | 12.15% |
| 1992 | 1,713 | 40.84% | 1,655 | 39.46% | 826 | 19.69% |
| 1988 | 1,833 | 44.46% | 2,261 | 54.84% | 29 | 0.70% |
| 1984 | 2,615 | 56.61% | 1,979 | 42.84% | 25 | 0.54% |
| 1980 | 2,821 | 60.16% | 1,454 | 31.01% | 414 | 8.83% |
| 1976 | 2,326 | 49.26% | 2,294 | 48.58% | 102 | 2.16% |
| 1972 | 3,041 | 63.59% | 1,642 | 34.34% | 99 | 2.07% |
| 1968 | 2,789 | 60.82% | 1,559 | 33.99% | 238 | 5.19% |
| 1964 | 1,953 | 40.59% | 2,851 | 59.25% | 8 | 0.17% |
| 1960 | 3,383 | 60.09% | 2,245 | 39.88% | 2 | 0.04% |
| 1956 | 3,426 | 59.16% | 2,362 | 40.79% | 3 | 0.05% |
| 1952 | 4,497 | 71.09% | 1,817 | 28.72% | 12 | 0.19% |
| 1948 | 2,879 | 52.13% | 2,567 | 46.48% | 77 | 1.39% |
| 1944 | 3,428 | 59.69% | 2,297 | 40.00% | 18 | 0.31% |
| 1940 | 3,907 | 58.77% | 2,734 | 41.13% | 7 | 0.11% |
| 1936 | 3,436 | 50.81% | 3,243 | 47.95% | 84 | 1.24% |
| 1932 | 2,305 | 46.58% | 2,607 | 52.68% | 37 | 0.75% |
| 1928 | 4,176 | 68.95% | 1,854 | 30.61% | 27 | 0.45% |
| 1924 | 4,043 | 67.29% | 688 | 11.45% | 1,277 | 21.25% |
| 1920 | 4,133 | 74.29% | 1,358 | 24.41% | 72 | 1.29% |
| 1916 | 1,922 | 53.87% | 1,619 | 45.38% | 27 | 0.76% |
| 1912 | 1,248 | 36.68% | 1,195 | 35.13% | 959 | 28.19% |
| 1908 | 2,185 | 61.05% | 1,322 | 36.94% | 72 | 2.01% |
| 1904 | 2,303 | 68.22% | 895 | 26.51% | 178 | 5.27% |
| 1900 | 2,327 | 57.86% | 1,618 | 40.23% | 77 | 1.91% |
| 1896 | 2,127 | 51.74% | 1,946 | 47.34% | 38 | 0.92% |