Clayton County, Iowa

Clayton County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 17,043. The county seat is Elkader. The county was founded in 1837 and was named in honor of John M. Clayton, United States Senator from Delaware and later Secretary of State under President Zachary Taylor.

Clayton County, Iowa Media

• Clayton County Route W68 IA.svg

  Clayton County Route W68 shield in Iowa. Based upon Image:US_DOT_FHWA_MUTCD_SHS_2004_3-7_M1-6_450x450mm_00.svg. Edited in w:Inkscape.

• US 18.svg

  600 mm × 600 mm (24 in × 24 in) U.S. Highway shield, made to the specifications of the 2004 edition of Standard Highway Signs. (Note that there is a missing "J" label on the left side of the diagram.) Uses the Roadgeek 2005 fonts. (United States law does not permit the copyrighting of typeface designs, and the fonts are meant to be copies of a U.S. Government-produced work anyway.)

• 

  600 mm × 600 mm (24 in × 24 in) U.S. Highway shield, made to the specifications of the 2004 edition of Standard Highway Signs. (Note that there is a missing "J" label on the left side of the diagram.) Uses the Roadgeek 2005 fonts. (United States law does not permit the copyrighting of typeface designs, and the fonts are meant to be copies of a U.S. Government-produced work anyway.)

• Circlesign

• 

  County Route shield

• Elongated circular route shield

• Elongated circle 76.svg

  Elongated circular route shield

• Elongated circle 128.svg

  Elongated circular route shield

• ClaytonCountyIowaPop2020.png

  Population of Clayton County from US census data

• ClaytonCountyIA2022PopPyr.png

  2022 US Census population pyramid for Clayton County from ACS 5-year estimates