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 is located in Southeast Iowa and covers
556.75 square miles in the richest of America's agricultural region. The population of the
county was 19,612 people according to the 1990 census. The nine incorporated cities in the
county are Ainsworth, Brighton, Coppock, Crawfordsville, Kalona, Riverside, Washington,
Wellman, and West Chester.
Washington City is the county seat of Washington County
and county business has been conducted at the courthouse, 222 West Main Street, since
1887.