How Byron came to be
From Wikipedia’s history of Byron.
The city that is now Byron was founded when a settler rode through the area on his way from Galena to Midway.
Text from Wikipedia, licensed CC BY-SA 4.0.
Each edition grades its towns against each other only.
More historic than 69% of U.S. towns · #267 of 768 in Illinois. What drives it
Its Register listing is the Soldier's Monument. Below: maps from 1893 on and the census since 1890.
Byron dates its founding to 1835 (Wikidata). The census first counted it in 1890.
More historic than 69% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Byron is more historic than 69% of U.S. towns, #267 of 768 in Illinois. Its age holds the grade up; its share of homes from before 1940 pulls it down.
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 Byron’s 2.7 sits above most of its state (69% of Illinois towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
Founding year: Wikidata (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 →
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Byron’s history is told.
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
1893Sheet 1 of 1Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.
Woven from the archive, old maps, post office records, the National Register and the people born here.
Born hereEdward B. Spalding is born here
Born hereAlbert Spalding is born here
Born hereFrancis Kosier Newcomer is born here
On the mapFirst mapped by the U.S. Geological SurveyFrom Wikipedia’s history of Byron.
The city that is now Byron was founded when a settler rode through the area on his way from Galena to Midway.
Text from Wikipedia, licensed CC BY-SA 4.0.
Passages that mention Byron, cut from the printed page as they were published.

The town of Byron, which was early called Bloomingville, was first settled in 1835. Jared Sanford came from the "Military Tract" in the month of June, in that year. On arriving at Kockford, by his pleasant story of the country through which he had passed, and especially of a mill site he had found near
Text read by machine from the scan; it may contain errors.
He also had a branch in Byron for one year. After selling his Leaf River and Byron shops, he moved to Rockford, and conducted a shop there for one and a half years. In 1895 Mr. Marshall purchased his present farm, north of town, of Daniel Smith, and in 1897 established the milk route in Mount Morris, which
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.
2007Illinois Route 2 & 72 Byron, Illinois 01
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2007Byron, IL Kathryn A. Hamas Park
2007Byron, IL City Hall
2000DME freight train inEvery edition of the U.S. Geological Survey’s map of Byron. Tap a year, or press play to watch the town change.

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Byron.
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Grew from 698 people in 1890 to 3,784 in 2020, 5 times over.
14 censuses, 1890–2020.
U.S. Census Bureau decennial counts, from the census table on Byron’s Wikipedia page.
Writers, athletes, leaders and more, ranked by how widely they’re known.



Byron’s post office has been open since 1838.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
In 1835, according to Wikidata. Byron’s post office opened in 1838, and the census of 1890 counted 698 people here.
Byron is more historic than 69% of U.S. towns, #267 of 768 in Illinois. 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.
One place: the Soldier's Monument (listed 1985).
10% of Byron’s homes were built before 1940 (Census estimate, ±5.0 points), against a typical 11% for an Illinois town; the median home was built in 1987.
What the archives can’t tell you, neighbors can.
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 (18), the National Register of Historic Places (1), Wikipedia, Wikidata and Wikipedia for famous people, 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, Sanborn fire insurance maps (Library of Congress) 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.
1922Oregon sheet · 1:62,500