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  1. 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...
  2. 220th Street (G36) to be Closed for Bridge Deck Overlay

    Washington County has a bridge deck overlay project planned on 220th Street (G36) over a small stream, approximately 0.25 mile east of Nutmeg Avenue. 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.