The Hebron Township post office opened in 1839, the earliest record of the town by name. Wikidata gives 1895. Two smaller post offices, Stones Corners (1890) and Tryons Grove (1890), opened inside today’s town and later closed.
First census: 137 in 18802020 census: 2,327187 years
How historic is Hebron Township?
B
More historic than 56% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Hebron Township post office (Blevins & Helbock, CC0). Wikidata: 1895.
History grade
What drives Hebron Township’s History grade
On its age, its old homes and the National Register, Hebron Township is more historic than 56% of U.S. towns. Its age holds the grade up; its National Register listings pull it down.
B
HistoryA character grade: shown, never part of Hebron Township’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 Hebron Township’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 C+ to B+. The pre-1940 share is a Census survey estimate (±4.9 points). The founding year is the first post office, not a stated founding date; Wikidata gives 1895.
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 Hebron Township’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 Hebron Township yet. The photos, dates and memories neighbors add here are how it gets written.
Hebron ( HEE-brihn) is a village in McHenry County, Illinois, United States. It is a commuter village within the Chicago metropolitan area. Per the 2020 census, the population was 1,368.
Its first post office opened in 1839. Its population held steady between the last two censuses: 2,356 in 2010, 2,327 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Hebron Township in 1922
Passages that mention Hebron Township, cut from the printed page as they were published.
History of McHenry County, Illinois1922 · page 224Read the page →
Read the text
of Burton Township and runs in a northwesterly direction through Richmond and Hebron townships, with stations at Spring Grove, Solon Mills, and at a junction point where this road crosses Kenosha & Rockford division on section 11, Hebron Township. The Chicago, Milwaukee & St, Paul Railroad was built through this county in 1900 and furnishes an additional outlet for the freight of the county. Through the merging of the several railroads into one or more of the great systems, the people of McHenry County are now afforded the best of train
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.
Every edition of the U.S. Geological Survey’s map of Hebron Township. Tap a year, or press play to watch the town change.
1926McHenry 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 Hebron Township.
People over time
Hebron Township, census by census
Grew from 137 people in 1880 to 1,368 in 2020, 9 times over.
14 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Hebron Township’s Wikipedia page.
Stories next door
History across the town line
Each neighbor’s History grade, on the same three inputs.
The Hebron Township post office opened in 1839, the earliest record of the town by name (U.S. post office records). Wikidata gives 1895.
How does Hebron Township rank for history?
Hebron Township is more historic than 56% 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 Hebron Township?
15% of Hebron Township’s homes were built before 1940 (Census estimate, ±4.9 points), against a typical 11% for an Illinois town; the median home was built in 1979.
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 (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.
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