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Oreana is a village in Macon County, Illinois, United States, which had a population of 891 at the 2020 census. It is included in the Decatur, Illinois Metropolitan Statistical Area.
Its first post office opened in 1874. Its population held steady between the last two censuses: 875 in 2010, 891 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Oreana, 1880–1930
Passages that mention Oreana, cut from the printed page as they were published.
Centennial history of Decatur and Macon county1930 · page 453Read the page →
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After the Decatur and Monticello railroad was built through the township, the town of Oreana was laid out on the Bower land. That was in 1873. The first house was built by Henry Morrison. First business men in the town were S. G. Coale, Frank M. Pratt, and Ruddock and Kirby. S. G. Crocker was the first postmaster.
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History of Macon County, Illinois1880 · page 113Read the page →
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Oreana Baptist Church. — This church, situated at the town of Oreana, eight miles north-east of Decatur, was organized under the name of the Friendship Baptist Church, March 20th, 1858, and was recognized as a regularly constituted Baptist Church, on the 23d day of the same month, Rev. J. N. Tolman, of Decatur, preaching the sermon on that occasion, and Rev. Charles Tinker, of Anawan, delivering the charge to the church. The names of the charter members were J. R. Bower, Olivia S. Bower, Martha
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History of Macon County, Illinois1880 · page 108Read the page →
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This church was organized at Zion school-house, three miles north-east of the village of Oreana, in 1860, by Dr. J. W, Thayer and J. S. Clough, Elders. The charter members were sixteen in number, as follows : William Boyer, Lydia Boyer, A. A. Hooker, Emily J. Hooker, James Munns, Pansey Munns, Elvira Seamon, Benson Green, Sarah Green, James Allen, William Bowman, C'astila Duvall, John Myers, Lovina Myers, Caleb Jones, and Elizabeth Jones. These persons had previously held ’membership
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Centennial history of Decatur and Macon county1930 · page 96Read the page →
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Oreana and Argenta, meaning gold and silver, were names given by two Illinois Central officials, Messrs. Wood and Smith. They were names of stations on the Union Pacific railway in the west, with which road the men had been connected at one time. There is an Oreana in Nevada and an Argenta in Montana, also one in Utah.
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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
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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 the US Post Offices dataset (Blevins & Helbock), 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.