Wikipedia doesn’t have a history of Union Township yet. The photos, dates and memories neighbors add here are how it gets written.
Union Township is one of the seventeen townships of Logan County, Ohio, United States. As of the 2020 census, the population was 755.
Between the 2010 and 2020 censuses its population fell from 819 to 755 (-8%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Union Township in 1880
Passages that mention Union Township, cut from the printed page as they were published.
History of Logan County and Ohio1880 · page 321Read the page →
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earlier. In the year 1820, Union Township was organized, 18th of April, 1820. Our authority says that the County Commissioners, upon the petition of a number of the residents of the southern part of Lake Township, set off the Township of Union, and ordered an election to be held for choosing Township officers.
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History of Logan County and Ohio1880 · page 321Read the page →
Read the text
earlier. In the year 1820, Union Township was organized, 18th of April, 1820. Our authority says that the County Commissioners, upon the petition of a number of the residents of the southern part of Lake Township, set off the Township of Union, and ordered an election to be held for choosing Township officers.
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History of Logan County and Ohio1880 · page 515Read the page →
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In the matter of schools. Union Township was quite as forward as her sister townships, but the sparse settlement obliged the pioneers for some time to forego this establishment.
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History of Logan County and Ohio1880 · page 521Read the page →
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Robert came from Union Township, in Pennsylvania, to Cincinnati in 1795, and from thenee to Clarke County in 1800, and to the farm now owned by H. A. Haling, in 1807.
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Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
By decade
Union Township, decade by decade
One decade in the archive so far: the 1890s. Scroll each row; tap a photo for its story.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
From Wikimedia Commons (5), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.