Washington County, Iowa

Washington County is located in southeastern Iowa. It’s an area where agriculture and community play an important role, with deep roots in farming.

Washington serves as the county seat and features a historic downtown centered around a beautiful courthouse square. The county is also home to the Kalona Historical Village, which highlights the region’s rich Amish and Mennonite heritage.

U.S. Highway 218 runs through the county, connecting it with Iowa City to the north and beyond. As you might expect, the county is named after the first U.S. president. The population is around 22,000 and continues to grow.

CategoryDetails
County NameWashington County
County SeatWashington
EtymologyNamed after George Washington, the first President of the United States
Cities, Towns, and CommunitiesWashington, Kalona, Wellman, Brighton, and several smaller communities
Interstates and HighwaysU.S. Highway 61, Iowa Highway 1, Iowa Highway 92
FIPS Code19-183
Total Area (Land and Water)569 square miles (land: 566 sq mi, water: 3 sq mi)
Adjacent Counties (and Direction)Iowa County (Northwest), Johnson County (Northeast), Louisa County (East), Henry County (Southeast), Jefferson County (Southwest), Keokuk County (West)
Time ZoneCentral Time Zone (CST)
Population22,500
StateIowa
Coordinates41.30°N, 91.53°W
Major LandmarksWashington County Courthouse, Kalona Historical Village, and the Washington County Fairgrounds
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