Adair County, Iowa

Adair County, Iowa
County
Adair County Courthouse
Adair County Courthouse
Official seal of Adair County, Iowa
Seal
Map of Iowa highlighting Adair County
Location within the U.S. state of Iowa
Coordinates: 41°19′50″N 94°28′16″W / 41.330555555556°N 94.471111111111°W / 41.330555555556; -94.471111111111
Country United States
State Iowa
Founded1851
Named afterJohn Adair
SeatGreenfield
Largest cityGreenfield
Area
 • Total
570 sq mi (1,500 km2)
 • Land569 sq mi (1,470 km2)
 • Water1.0 sq mi (2.6 km2)  0.2%
Population
 (2020)
 • Total
7,496
 • Estimate 
(2025)
7,403 Decrease
 • Density13.2/sq mi (5.09/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district3rd
Websitewww.adaircountyiowa.org
  • Iowa county number 01[1]

Adair County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 7,496.[2] Its county seat is Greenfield.[3]

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 km2), of which 569 square miles (1,470 km2) is land and 1.0 square mile (2.6 km2) (0.2%) is water.[4]

Major highways

Adjacent counties

Demographics

2022 US Census population pyramid for Adair County from ACS 5-year estimates
Historical population
CensusPop.Note%±
1860984—
18703,982304.7%
188011,667193.0%
189014,53424.6%
190016,19211.4%
191014,420−10.9%
192014,259−1.1%
193013,891−2.6%
194013,196−5.0%
195012,292−6.9%
196010,893−11.4%
19709,487−12.9%
19809,5090.2%
19908,409−11.6%
20008,243−2.0%
20107,682−6.8%
20207,496−2.4%
2025 (est.)7,403[5] Decrease−1.2%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2018[10]
Population of Adair County from US census data

2020 census

As of the 2020 census, the county had a population of 7,496, resulting in a population density of 12.9430/sq mi (4.9973/km2). The median age was 44.0 years, with 22.2% of residents under the age of 18 and 23.4% 65 years of age or older. For every 100 females there were 98.6 males, and for every 100 females age 18 and over there were 96.3 males age 18 and over.[11]

PL data indicates 96.88% of residents reported being of one race; 92.89% were non-Hispanic White, 0.61% were Black or African American, 2.48% were Hispanic or Latino, 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. When combining single races, 95.4% were White, 0.6% were Black or African American, 0.3% were American Indian and Alaska Native, 0.3% were Asian, <0.1% were Native Hawaiian and Pacific Islander, 0.3% were some other race, and 3.1% were two or more races; Hispanic or Latino residents of any race comprised approximately 2.5% of the population.[12]

There were 3,217 households in the county, of which 25.6% had children under the age of 18 living in them. Of all households, 50.8% were married-couple households, 19.3% were households with a male householder and no spouse or partner present, and 22.6% were households with a female householder and no spouse or partner present. About 30.4% of all households were made up of individuals and 14.1% had someone living alone who was 65 years of age or older. There were 3,585 housing units, of which 3,217 were occupied, and 10.3% were vacant; 75.6% of the occupied units were owner-occupied and 24.4% were renter-occupied, with a homeowner vacancy rate of 1.1% and a rental vacancy rate of 8.1%.[11]

<0.1% of residents lived in urban areas, while 100.0% lived in rural areas.[13]

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.[14] The population density was 13.5 inhabitants per square mile (5.2/km2). There were 3,698 housing units at an average density of 6.5 per square mile (2.5/km2).[15] 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.[14] 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.[16]

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.[14]

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.[17]

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).[18]

Education

The county is served by five school districts:[19]

  • 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:[20]

The schools in the Orient-Macksburg Community School District are:[21]

The schools in the CAM Community School District are:[22]

The schools in the Adair–Casey Community School District are:[23]

The schools in the West Central Valley Community School District are:[25]

Communities

Cities

Unincorporated communities

  • Arbor Hill
  • Berea
  • Canby
  • Fisk
  • Hebron
  • Howe
  • Leith City
  • Nanito
  • Prussia
  • Zion

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.[2]

† 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.[26]

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

See also

  • National Register of Historic Places listings in Adair County, Iowa

References

  1. ^ "Iowa County Names and Numbers". Iowa Department of Administrative Services. Retrieved December 22, 2025.
  2. ^ a b "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
  3. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  4. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
  5. ^ "County Population Totals and Components of Change: 2020-2025". United States Census Bureau. Retrieved April 17, 2026.
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 13, 2014.
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 13, 2014.
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 13, 2014.
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Archived (PDF) from the original on March 27, 2010. Retrieved July 13, 2014.
  10. ^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 13, 2014.
  11. ^ a b "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved December 25, 2025.
  12. ^ "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved December 25, 2025.
  13. ^ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved December 25, 2025.
  14. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved July 13, 2015.{{cite web}}: CS1 maint: deprecated archival service (link)
  15. ^ "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved July 13, 2015.{{cite web}}: CS1 maint: deprecated archival service (link)
  16. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved July 13, 2015.{{cite web}}: CS1 maint: deprecated archival service (link)
  17. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved July 13, 2015.{{cite web}}: CS1 maint: deprecated archival service (link)
  18. ^ "Religious Congregations & Membership: 2000". Glenmary Research Center. Archived from the original (jpg) on December 14, 2006. Retrieved April 24, 2009.
  19. ^ Education, Iowa Department of (2009). "Iowa Educational Directory". Iowa Department of Education. Archived from the original (PDF) on January 9, 2010. Retrieved December 19, 2009.
  20. ^ Nodaway Valley Community School District (January 9, 2014). "Nodaway Valley CSD". Nodaway Valley Community School District. Retrieved January 9, 2014.
  21. ^ Orient-Macksburg Community Schools (November 18, 2009). "Orient-Macksburg CSD". Orient-Macksburg Community Schools. Archived from the original on August 4, 2009. Retrieved December 19, 2009.
  22. ^ "Department of Education - Iowa School Performance Profiles". www.iaschoolperformance.gov. Retrieved February 18, 2021.
  23. ^ "AC/GC Schools Website". www.acgcschools.org. Archived from the original on July 29, 2016. Retrieved February 18, 2021.
  24. ^ "WGS Agreement 2020 w/signatures". Google Docs. Retrieved February 18, 2021.
  25. ^ "West Central Valley CSD Website". West Central Valley CSD. Archived from the original on July 20, 2020. Retrieved February 18, 2021.
  26. ^ The Cook Political Report (2009). "Partisan Voting Index: Districts of the 111th Congress" (PDF). The Cook Political Report. Archived (PDF) from the original on July 15, 2011. Retrieved November 10, 2011.
  27. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 25, 2018.

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