Founding year: the first Sidney post office (Blevins & Helbock, CC0).
History grade
What drives Sidney’s History grade
On its age, its old homes and the National Register, Sidney is more historic than 70% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
B+
HistoryA character grade: shown, never part of Sidney’s overall grade.
Few Illinois towns list much on the Register (a typical Illinois town has 0.5 per 10,000 residents, the U.S. 2.4), so Sidney’s 0.0 sits below most of its state (28% of Illinois towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from B− to A. The pre-1940 share is a Census survey estimate (±8.5 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Sidney’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 Sidney yet. The photos, dates and memories neighbors add here are how it gets written.
Sidney is a village in Champaign County, Illinois, United States. The population was 1,208 at the 2020 census.
Its first post office opened in 1837. Between the 2010 and 2020 censuses its population fell from 1,233 to 1,208 (-2%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Sidney in 1918
Passages that mention Sidney, cut from the printed page as they were published.
A Standard history of Champaign County Illinois1918 · page 924Read the page →
Read the text
On giving up railroad work Mr. Bocock came to Sidney and bought the old park elevator. He remained in the grain business there until the following winter, when he sold out, and on April 1, 1882, engaged in the general merchandising business at Sidney with his father-in-law, under the firm name of Fisher & Bocock. That firm continued for five years. The stock of merchandise was then traded for land in Coffey County, Kansas. It is only fair to say that Kansas land proved to be a poor investment and after a few years was disposed of at a discount. After
Text read by machine from the scan; it may contain errors.
A Standard history of Champaign County Illinois1918 · page 1068Read the page →
Read the text
Mr. Fenimore was one of the charter members of the Grand Army Post at Sidney, was active in its organization and for years served as commander of the post. In addition to the above, compiled from .material while he was living, it is fortunate that an estimate of this valued old citizen of Sidney can be published as written in the words of a friend. With some repetition, it will serve to complete a well rounded account of his life.
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.
The Sidney post office opened in 1837, the earliest record of the town by name (U.S. post office records).
How does Sidney rank for history?
Sidney is more historic than 70% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
How old are the homes in Sidney?
30% of Sidney’s homes were built before 1940 (Census estimate, ±8.5 points), against a typical 11% for an Illinois town; the median home was built in 1964.
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).
From Wikimedia Commons (2), 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.