Geneva Township dates to 1835, and 10 of its places are on the National Register
More historic than 84% of U.S. towns · #149 of 768 in Illinois. What drives it
Most of Geneva Township was built recently: 9% of its homes predate 1940 and the median home dates from 1988. Below: 30 old photos and papers, maps from 1932 on, and the census since 1860.
Founding year: Wikidata. First post office: 1850.The full story ↓
History grade
What drives Geneva Township’s History grade
On its age, its old homes and the National Register, Geneva Township is more historic than 84% of U.S. towns, #149 of 768 in Illinois. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
A−
HistoryA character grade: shown, never part of Geneva 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 Geneva Township’s 166 sits above most of its state (96% of Illinois towns have fewer) while its 437 historic buildings outnumber those of 97% 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 (±2.1 points) is firm at this size. Two sources give 1835.
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 →
What stands out about Geneva Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Two Native American trails crossed through Geneva. The Potawatomi people lived in the Geneva area, with their main chief, Waubonsee, leading a group that gathered just north of Aurora.
Every edition of the U.S. Geological Survey’s map of Geneva Township. Tap a year, or press play to watch the town change.
1932Geneva 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 Geneva Township.
Then & now
Stand where they stood
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Retake this viewBird's eye view of Geneva, Kane County, Illinois 1869, 1869
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Geneva Township’s page.
In 1835, according to Wikidata. Geneva Township’s post office opened in 1850, and the census of 1860 counted 997 people here.
How does Geneva Township rank for history?
Geneva Township is more historic than 84% of U.S. towns, #149 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.
How old are the homes in Geneva Township?
9% of Geneva Township’s homes were built before 1940 (Census estimate, ±2.1 points), against a typical 11% for an Illinois town; the median home was built in 1988.
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 (26), the Library of Congress (4), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.