The Mechanicsburg post office opened in 1845, the earliest record of the town by name. Another post office, Mechanicksburgh (1839), opened inside today’s town and later closed.
First census: 201 in 18502020 census: 662181 years
Founding year: the first Mechanicsburg post office (Blevins & Helbock, CC0).
What stands out about Mechanicsburg’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Mechanicsburg yet. The photos, dates and memories neighbors add here are how it gets written.
Mechanicsburg is a village in Sangamon County, Illinois, United States. As of the 2020 census, Mechanicsburg had a population of 662. It is part of the Springfield, Illinois Metropolitan Statistical Area.
Its first post office opened in 1845. Between the 2010 and 2020 censuses its population grew from 590 to 662 (+12%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Mechanicsburg, 1881–1912
Passages that mention Mechanicsburg, cut from the printed page as they were published.
History of Sangamon County, Illinois1881 · page 954Read the page →
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The village of Mechanicsburg is the oldest of the three villages in the township, and was laid out and platted by William S. Pickrell, November 12, 1832, and was described as comprising the "east half of the southwest quarter of section twenty-six, and part of the east half of the northwest quarter of section twenty-six, township sixteen, range three west."
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History of Sangamon County, Illinois1881 · page 851Read the page →
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section nineteen, runs in a northeasterly direction through the village of Riverton to section ten, when it runs due east into the township of Mechanicsburg. The latter from Springfield enters on section eighteen, and runs northeast, enters Williams township from section two.
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Historical Encyclopedia of Illinois and history of Sangamon County1912Read the page →
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Naer the village of Mechanicsburg, he entered government land, the greater part of which was covered with timber. His death occurred in 1882. In 1882, he married Lucinda N. Fullenwider. The grandfather on the other side of the house, Daniel Hughes, lived in Ohio for some years, then came to Illinois about 1850, settling in Adams County, near Quincy, where
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Historical Encyclopedia of Illinois and history of Sangamon County1912Read the page →
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at Longdale, Logan County, and for one term taught at Williamsville. He then moved to Springfield, where he taught two terms, when he was called to Mechanicsburg, and there taught several terms. His next school was at Salisbury, whence, after one term, he went to Auburn, where he taught a term, returning to Mechanicsburg, in 1898.
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.
By decade
No old photos in the archives yet
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Be the first to add onePhotograph a print flat, in daylight, no flash.
Every edition of the U.S. Geological Survey’s map of Mechanicsburg. Tap a year, or press play to watch the town change.
1954Mechanicsburg sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Mechanicsburg.
People over time
Mechanicsburg, census by census
Grew from 201 people in 1850 to 662 in 2020, 3 times over.
17 censuses, 1850–2020.
U.S. Census Bureau decennial counts, from the census table on Mechanicsburg’s Wikipedia page.
Famous people
Famous people close to Mechanicsburg
Nobody well known was born in Mechanicsburg itself, so here are the best known from just nearby.
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 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.
