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Washington County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 22,565. The county seat and the largest city is Washington. Washington County is included in the Iowa City metropolitan area.
Description adapted from Wikipedia, CC BY-SA 4.0.
Washington County was originally formed in 1838 as Slaughter County in honor of William B. Slaughter, the secretary of Wisconsin Territory. The county, still named Slaughter County, became part of Iowa Territory on July 4, 1838, when it was organized. To honor George Washington, the county opted to change its name on January 25, 1839. The first White American colonizers arrived in Washington County in 1835, and began establishing individual domiciles in 1836. A settlement, Astoria, was built in the present township of Oregon; it became the first county seat and housed the first courthouse. The county seat was moved to the city of Washington in 1839. The first religious society, organized by Reverend J.L. Kirkpatrick, a Methodist minister was created in 1839. The first newspaper was established in 1853; it was published for two years.
Adapted from Wikipedia, CC BY-SA 4.0.
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