Peaked at 419 in 1890; 76 people lived here in 2020.
15 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Swan’s Wikipedia page.
The story so far
Swan, in brief
Wikipedia doesn’t have a history of Swan yet. The photos, dates and memories neighbors add here are how it gets written.
Swan is a city in Marion County, Iowa, United States. The population was 76 at the time of the 2020 census. On April 18th 2025 the city council of Swan voted to disincorporate the city.
Its first post office opened in 1880. Between the 2010 and 2020 censuses its population grew from 72 to 76 (+6%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Swan, 1872–1915
Passages that mention Swan, cut from the printed page as they were published.
History of Marion County, Iowa, and its people1915 · page 132Read the page →
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The Chicago, Burlington & Quincy Railroad enters the township from the south, about two miles from the southwest corner, and follows a course a little west of north to the Town of Swan, where it turns to the west and crosses the western boundary of the county about a mile south of the Des Moines River. Swan is the only station in the township.
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History of Marion County, Iowa, and its people1915 · page 180Read the page →
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SWAN Swan is an incorporated town on the Chicago, Burlington & Quincy Railroad, sixteen miles northwest of Knoxville and in the northwest corner of Swan Township. Soon after the railroad was completed the company bought forty acres of land in the southwest quarter of section 17, township 77, range 21, from John Shook, with the view of founding a town and establishing a station. In September, 1879, Anselmo B. Smith, a civil engineer, laid out a town of
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Pioneers of Marion county, consisting of a general history of the county from its early settlement to the present date. Also, the geography and history of each township, including brief biographical sketches of some of the more prominent early settlers in1872 · page 301Read the page →
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As above defined it included all of the present township of Perry and all that of Swan, except two sections and four half sections belonging to town. 76, range 21, since added to Swan. The place of holding elections was at the house of Win.
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Pioneers of Marion county, consisting of a general history of the county from its early settlement to the present date. Also, the geography and history of each township, including brief biographical sketches of some of the more prominent early settlers in1872 · page 310Read the page →
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It was called Swan from the beauty and brevity of the name, by the suggestion of a former citizen of Swan township, Athens county, Ohio.
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Swan, 1880 to 1910
Woven from the archive, old maps, post office records, the National Register and the people born 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 (3), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), 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.