How Spring Grove came to be
From Wikipedia’s history of Spring Grove.
The first tower grain silo in the USA was built in Spring Grove in 1873.
Text from Wikipedia, licensed CC BY-SA 4.0.
Each edition grades its towns against each other only.
More historic than 20% of U.S. towns · #630 of 768 in Illinois. What drives it
Most of Spring Grove was built recently: 4% of its homes predate 1940 and the median home dates from 1998. Below: maps from 1920 on and the census since 1910.
The Spring Grove post office opened in 1883, the earliest record of the town by name. Wikidata gives 1902. Another post office, Blivens Mills (1847), opened inside today’s town and later closed.
More historic than 20% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Spring Grove is more historic than 20% of U.S. towns, #630 of 768 in Illinois. Its age holds the grade up; its National Register listings pull 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 Spring Grove’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.
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 →
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 Spring Grove’s history is told.
Lost half of its people between 1920 and 1930, then grew more than tenfold.
12 censuses, 1910–2020.
U.S. Census Bureau decennial counts, from the census table on Spring Grove’s Wikipedia page.
Every edition of the U.S. Geological Survey’s map of Spring Grove. 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 Spring Grove.
From Wikipedia’s history of Spring Grove.
The first tower grain silo in the USA was built in Spring Grove in 1873.
Text from Wikipedia, licensed CC BY-SA 4.0.
Passages that mention Spring Grove, cut from the printed page as they were published.

Spring Grove was platted May 3, 1855, by John E. and Emily J. Mann. This village is located in section 30, township 46, range 9 east. Troy was platted by Lewis Boon, September 1, 1847, in the southwest quarter of section 12, township 45, range 7. This is now Greenwood.
Text read by machine from the scan; it may contain errors.
The last railroad to be built in McHenry County was the Chicago, Milwaukee & St. Paid, which enters the county in the southeastern part 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
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.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological Survey
Born hereBilly Klaus is born here
Born hereJen Lada is born hereWriters, athletes, leaders and more, ranked by how widely they’re known.
Spring Grove’s post office has been open since 1883. Another post office, Blivens Mills, opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Each neighbor’s History grade, on the same three inputs.
The Spring Grove post office opened in 1883, the earliest record of the town by name (U.S. post office records). Wikidata gives 1902.
Spring Grove is more historic than 20% of U.S. towns, #630 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.
4% of Spring Grove’s homes were built before 1940 (Census estimate, ±3.3 points), against a typical 11% for an Illinois town; the median home was built in 1998.
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 (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 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.


1920Grays Lake sheet · 1:62,500