Dallas County, Iowa

Dallas County is a county in the U.S. state of Iowa. In the 2020 census, 99,678 people lived there. The county seat is Adel.

Dallas County, Iowa Media

• I-80.svg

  600 mm by 600 mm (24 in by 24 in) Interstate shield, made to the specifications of the 2004 edition of Standard Highway Signs (sign M1-1). 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.) Colors are from

• US 6.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.)

• US 169.svg

  750 mm × 600 mm (30 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.)

• Elongated circle 17.svg

  Elongated circular route shield

• County Route shield

• Elongated circular route shield

• Elongated circle 144.svg

  An elongated circle highway shield

• Elongated circle 210.svg

  County Route shield

• DallasCountyIowaPop2020.png

  Population of Dallas County from US census data

• DallasCountyIA2022PopPyr.png

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