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  1. Riverside Road/W61 South of Riverside Closed for Culvert Work

    Beginning Wednesday, July 5th, Washington County will close W61 (Riverside Road) to through traffic from 135th Street to approximately a quarter mile south of 130th Street for the extension of two existing reinforced concrete box culverts. Read on...
  2. Redwood Ave (W62) to be Closed for Bridge Deck Overlay

    Washington County has a bridge deck overlay project planned on Redwood Avenue (W62) over Williams Creek near Noble, IA. To view the official press release please follow the link below. Read on...
  3. 2017 Washington County Conservation Summer Camp

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  1. Courthouse with Flowers

    Washington County

    Washington County was originally organized and established in 1839 as Slaughter County; however, residents soon changed the name to Washington County in honor of George Washington.

    Washington County covers 556.75 square miles and is located in Southeast Iowa - the richest area of America's agricultural region. As of the 2010 census, the population was 21,704. The nine incorporated cities in the county are Ainsworth, Brighton, Coppock, Crawfordsville, Kalona, Riverside, Washington, Wellman, and West Chester.